Initial commit

.idea/gradle.xml

@@ -15,6 +15,7 @@
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/FastBleLib" />
             <option value="$PROJECT_DIR$/app" />
+            <option value="$PROJECT_DIR$/library" />
           </set>
         </option>
         <option name="resolveModulePerSourceSet" value="false" />

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

FastBleLib/build.gradle

 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion '26.0.2'
+    compileSdkVersion 30
+    buildToolsVersion "30.0.2"
 
     defaultConfig {
         minSdkVersion 14

FastBleLib/build/.transforms/6b4f722713e9be0e69ab0b3a3e3ca895.bin

+i/dex

FastBleLib/build/.transforms/79b78bd89c17e5eeb00c1493c7471fdf/classes/keep_rules

+-keep class java.util.function.ToDoubleFunction {
+    double applyAsDouble(java.lang.Object);
+}
+-keep class j$.util.Map { *; }
+-keep class java.util.function.Function { *; }
+-keep class j$.util.function.ToLongFunction { *; }
+-keep class j$.util.function.BiConsumer { *; }
+-keep class java.util.function.ToLongFunction {
+    long applyAsLong(java.lang.Object);
+}
+-keep class j$.util.function.Function { *; }
+-keep class java.util.function.ToIntFunction {
+    int applyAsInt(java.lang.Object);
+}
+-keep class j$.util.function.ToDoubleFunction { *; }
+-keep class j$.util.function.ToIntFunction { *; }
+-keep class j$.util.Map$-CC {
+    boolean $default$replace(java.util.Map, java.lang.Object, java.lang.Object, java.lang.Object);
+    void $default$forEach(java.util.Map, j$.util.function.BiConsumer);
+    java.lang.Object $default$computeIfAbsent(java.util.Map, java.lang.Object, j$.util.function.Function);
+    java.lang.Object $default$putIfAbsent(java.util.Map, java.lang.Object, java.lang.Object);
+    java.lang.Object $default$getOrDefault(java.util.Map, java.lang.Object, java.lang.Object);
+    java.lang.Object $default$replace(java.util.Map, java.lang.Object, java.lang.Object);
+    java.lang.Object $default$computeIfPresent(java.util.Map, java.lang.Object, j$.util.function.BiFunction);
+    java.lang.Object $default$compute(java.util.Map, java.lang.Object, j$.util.function.BiFunction);
+    boolean $default$remove(java.util.Map, java.lang.Object, java.lang.Object);
+    java.lang.Object $default$merge(java.util.Map, java.lang.Object, java.lang.Object, j$.util.function.BiFunction);
+    void $default$replaceAll(java.util.Map, j$.util.function.BiFunction);
+}
+-keep class j$.util.function.BiFunction { *; }
+-keep class j$.util.Comparator { *; }
+-keep class java.util.function.BiConsumer { *; }
+-keep class j$.util.Comparator$-CC {
+    java.util.Comparator $default$thenComparingLong(java.util.Comparator, j$.util.function.ToLongFunction);
+    java.util.Comparator $default$thenComparingDouble(java.util.Comparator, j$.util.function.ToDoubleFunction);
+    java.util.Comparator $default$reversed(java.util.Comparator);
+    java.util.Comparator $default$thenComparing(java.util.Comparator, j$.util.function.Function, java.util.Comparator);
+    java.util.Comparator $default$thenComparing(java.util.Comparator, j$.util.function.Function);
+    java.util.Comparator $default$thenComparingInt(java.util.Comparator, j$.util.function.ToIntFunction);
+    java.util.Comparator $default$thenComparing(java.util.Comparator, java.util.Comparator);
+}
+-keep class java.util.function.BiFunction {
+    java.util.function.BiFunction andThen(java.util.function.Function);
+    java.lang.Object apply(java.lang.Object, java.lang.Object);
+}

FastBleLib/build/.transforms/9b2c98558022b16ea339e9dbe26b16ff.bin

-o/classes

FastBleLib/build/.transforms/c0da5fcefa59f423bb2100b8c70dae08.bin

+i/keep_rules

FastBleLib/build/.transforms/e35d17f96f3f8c40a60a698ef287eb55/classes/keep_rules

+-keep class java.util.function.ToDoubleFunction {
+    double applyAsDouble(java.lang.Object);
+}
+-keep class j$.util.Map { *; }
+-keep class java.util.function.Function { *; }
+-keep class j$.util.function.ToLongFunction { *; }
+-keep class j$.util.function.BiConsumer { *; }
+-keep class java.util.function.ToLongFunction {
+    long applyAsLong(java.lang.Object);
+}
+-keep class j$.util.function.Function { *; }
+-keep class java.util.function.ToIntFunction {
+    int applyAsInt(java.lang.Object);
+}
+-keep class j$.util.function.ToDoubleFunction { *; }
+-keep class j$.util.function.ToIntFunction { *; }
+-keep class j$.util.Map$-CC {
+    boolean $default$replace(java.util.Map, java.lang.Object, java.lang.Object, java.lang.Object);
+    void $default$forEach(java.util.Map, j$.util.function.BiConsumer);
+    java.lang.Object $default$computeIfAbsent(java.util.Map, java.lang.Object, j$.util.function.Function);
+    java.lang.Object $default$putIfAbsent(java.util.Map, java.lang.Object, java.lang.Object);
+    java.lang.Object $default$getOrDefault(java.util.Map, java.lang.Object, java.lang.Object);
+    java.lang.Object $default$replace(java.util.Map, java.lang.Object, java.lang.Object);
+    java.lang.Object $default$computeIfPresent(java.util.Map, java.lang.Object, j$.util.function.BiFunction);
+    java.lang.Object $default$compute(java.util.Map, java.lang.Object, j$.util.function.BiFunction);
+    boolean $default$remove(java.util.Map, java.lang.Object, java.lang.Object);
+    java.lang.Object $default$merge(java.util.Map, java.lang.Object, java.lang.Object, j$.util.function.BiFunction);
+    void $default$replaceAll(java.util.Map, j$.util.function.BiFunction);
+}
+-keep class j$.util.function.BiFunction { *; }
+-keep class j$.util.Comparator { *; }
+-keep class java.util.function.BiConsumer { *; }
+-keep class j$.util.Comparator$-CC {
+    java.util.Comparator $default$thenComparingLong(java.util.Comparator, j$.util.function.ToLongFunction);
+    java.util.Comparator $default$thenComparingDouble(java.util.Comparator, j$.util.function.ToDoubleFunction);
+    java.util.Comparator $default$reversed(java.util.Comparator);
+    java.util.Comparator $default$thenComparing(java.util.Comparator, j$.util.function.Function, java.util.Comparator);
+    java.util.Comparator $default$thenComparing(java.util.Comparator, j$.util.function.Function);
+    java.util.Comparator $default$thenComparingInt(java.util.Comparator, j$.util.function.ToIntFunction);
+    java.util.Comparator $default$thenComparing(java.util.Comparator, java.util.Comparator);
+}
+-keep class java.util.function.BiFunction {
+    java.util.function.BiFunction andThen(java.util.function.Function);
+    java.lang.Object apply(java.lang.Object, java.lang.Object);
+}

FastBleLib/build/generated/source/buildConfig/release/com/clj/fastble/BuildConfig.java

@@ -6,13 +6,7 @@ package com.clj.fastble;
 public final class BuildConfig {
   public static final boolean DEBUG = false;
   public static final String LIBRARY_PACKAGE_NAME = "com.clj.fastble";
-  /**
-   * @deprecated APPLICATION_ID is misleading in libraries. For the library package name use LIBRARY_PACKAGE_NAME
-   */
-  @Deprecated
-  public static final String APPLICATION_ID = "com.clj.fastble";
   public static final String BUILD_TYPE = "release";
-  public static final String FLAVOR = "";
   public static final int VERSION_CODE = 232;
   public static final String VERSION_NAME = "2.3.2";
 }

FastBleLib/build/intermediates/aapt_friendly_merged_manifests/release/aapt/AndroidManifest.xml

@@ -6,7 +6,7 @@
 
     <uses-sdk
         android:minSdkVersion="14"
-        android:targetSdkVersion="22" />
+        android:targetSdkVersion="30" />
 
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />

FastBleLib/build/intermediates/aapt_friendly_merged_manifests/release/aapt/output.json

-[{"outputType":{"type":"AAPT_FRIENDLY_MERGED_MANIFESTS"},"apkData":{"type":"MAIN","splits":[],"versionCode":232,"versionName":"2.3.2","enabled":true,"outputFile":"FastBleLib-release.aar","fullName":"release","baseName":"release","dirName":""},"path":"AndroidManifest.xml","properties":{"packageId":"com.clj.fastble","split":""}}]
+{
\ No newline at end of file
+  "version": 1,
+  "applicationId": "com.clj.fastble",
+  "variantType": "LIBRARY",
+  "elements": [
+    {
+      "outputType": {
+        "type": "AAPT_FRIENDLY_MERGED_MANIFESTS"
+      },
+      "apkData": {
+        "type": "MAIN",
+        "splits": [],
+        "versionCode": 232,
+        "versionName": "2.3.2",
+        "outputFile": "FastBleLib-release.aar",
+        "fullName": "release",
+        "baseName": "release",
+        "dirName": ""
+      },
+      "path": "AndroidManifest.xml",
+      "properties": {
+        "packageId": "com.clj.fastble",
+        "split": ""
+      }
+    }
+  ]
+}
\ No newline at end of file

FastBleLib/build/intermediates/incremental/mergeReleaseJniLibFolders/merger.xml

 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/jniLibs"/></dataSet><dataSet config="release" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/release/jniLibs"/></dataSet></merger>
+<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\androidProject\BluToysApplication\FastBleLib\src\main\jniLibs"/></dataSet><dataSet config="release" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\androidProject\BluToysApplication\FastBleLib\src\release\jniLibs"/></dataSet></merger>
\ No newline at end of file

FastBleLib/build/intermediates/incremental/mergeReleaseShaders/merger.xml

 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/shaders"/></dataSet><dataSet config="release" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/release/shaders"/></dataSet></merger>
+<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\androidProject\BluToysApplication\FastBleLib\src\main\shaders"/></dataSet><dataSet config="release" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\androidProject\BluToysApplication\FastBleLib\src\release\shaders"/></dataSet></merger>
\ No newline at end of file

FastBleLib/build/intermediates/incremental/packageDebugResources/compile-file-map.properties

-#Sun Jan 17 17:12:36 CST 2021
+#Thu Jan 28 18:50:22 CST 2021

FastBleLib/build/intermediates/incremental/packageReleaseAssets/merger.xml

 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/assets"/><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/build/intermediates/shader_assets/release/out"/></dataSet><dataSet config="release" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/release/assets"/></dataSet></merger>
+<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\androidProject\BluToysApplication\FastBleLib\src\main\assets"/><source path="D:\androidProject\BluToysApplication\FastBleLib\build\intermediates\shader_assets\release\out"/></dataSet><dataSet config="release" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\androidProject\BluToysApplication\FastBleLib\src\release\assets"/></dataSet></merger>
\ No newline at end of file

FastBleLib/build/intermediates/incremental/packageReleaseResources/compile-file-map.properties

-#Tue Sep 29 17:14:01 CST 2020
+#Thu Jan 28 19:04:05 CST 2021

FastBleLib/build/intermediates/incremental/packageReleaseResources/merger.xml

 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3"><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="main$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/res"/><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/build/generated/res/rs/release"/><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/build/generated/res/resValues/release"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="main" generated-set="main$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/res"/><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/build/generated/res/rs/release"/><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/build/generated/res/resValues/release"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="release$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/release/res"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="release" generated-set="release$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/release/res"/></dataSet><mergedItems/></merger>
+<merger version="3"><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="main$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\androidProject\BluToysApplication\FastBleLib\src\main\res"/><source path="D:\androidProject\BluToysApplication\FastBleLib\build\generated\res\rs\release"/><source path="D:\androidProject\BluToysApplication\FastBleLib\build\generated\res\resValues\release"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="main" generated-set="main$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\androidProject\BluToysApplication\FastBleLib\src\main\res"/><source path="D:\androidProject\BluToysApplication\FastBleLib\build\generated\res\rs\release"/><source path="D:\androidProject\BluToysApplication\FastBleLib\build\generated\res\resValues\release"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="release$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\androidProject\BluToysApplication\FastBleLib\src\release\res"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="release" generated-set="release$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="D:\androidProject\BluToysApplication\FastBleLib\src\release\res"/></dataSet><mergedItems/></merger>
\ No newline at end of file

FastBleLib/build/intermediates/library_manifest/release/AndroidManifest.xml

@@ -6,7 +6,7 @@
 
     <uses-sdk
         android:minSdkVersion="14"
-        android:targetSdkVersion="22" />
+        android:targetSdkVersion="30" />
 
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />

FastBleLib/build/intermediates/manifest_merge_blame_file/release/manifest-merger-blame-release-report.txt

@@ -6,21 +6,21 @@
 6
 7    <uses-sdk
 8        android:minSdkVersion="14"
-8-->/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
-9        android:targetSdkVersion="22" />
-9-->/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
+8-->D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
+9        android:targetSdkVersion="30" />
+9-->D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
 10
 11    <uses-permission android:name="android.permission.BLUETOOTH" />
-11-->/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:4:5-68
-11-->/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:4:22-65
+11-->D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:4:5-68
+11-->D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:4:22-65
 12    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
-12-->/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:5:5-74
-12-->/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:5:22-71
+12-->D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:5:5-74
+12-->D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:5:22-71
 13    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
-13-->/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:6:5-81
-13-->/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:6:22-78
+13-->D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:6:5-81
+13-->D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:6:22-78
 14    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
-14-->/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:7:5-79
-14-->/Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:7:22-76
+14-->D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:7:5-79
+14-->D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:7:22-76
 15
 16</manifest>

FastBleLib/build/intermediates/merged_manifests/release/output.json

-[{"outputType":{"type":"MERGED_MANIFESTS"},"apkData":{"type":"MAIN","splits":[],"versionCode":232,"versionName":"2.3.2","enabled":true,"outputFile":"FastBleLib-release.aar","fullName":"release","baseName":"release","dirName":""},"path":"../../library_manifest/release/AndroidManifest.xml","properties":{"packageId":"com.clj.fastble","split":""}}]
+{
\ No newline at end of file
+  "version": 1,
+  "applicationId": "com.clj.fastble",
+  "variantType": "LIBRARY",
+  "elements": [
+    {
+      "outputType": {
+        "type": "MERGED_MANIFESTS"
+      },
+      "apkData": {
+        "type": "MAIN",
+        "splits": [],
+        "versionCode": 232,
+        "versionName": "2.3.2",
+        "outputFile": "FastBleLib-release.aar",
+        "fullName": "release",
+        "baseName": "release",
+        "dirName": ""
+      },
+      "path": "../../library_manifest/release/AndroidManifest.xml",
+      "properties": {
+        "packageId": "com.clj.fastble",
+        "split": ""
+      }
+    }
+  ]
+}
\ No newline at end of file

FastBleLib/build/outputs/logs/manifest-merger-release-report.txt

 -- Merging decision tree log ---
 manifest
-ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:1:1-9:12
-INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:1:1-9:12
-INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:1:1-9:12
-INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:1:1-9:12
-INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:1:1-9:12
-INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:1:1-9:12
-INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:1:1-9:12
+ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:1:1-9:12
+INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:1:1-9:12
+INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:1:1-9:12
+INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:1:1-9:12
+INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:1:1-9:12
+INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:1:1-9:12
+INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:1:1-9:12
 	package
-		ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:2:5-30
-		INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
-		INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
+		ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:2:5-30
+		INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
+		INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
 	android:versionName
-		INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
-		ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:1:1-9:12
-		INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
+		INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
+		ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:1:1-9:12
+		INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
 	android:versionCode
-		INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
-		ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:1:1-9:12
-		INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
+		INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
+		ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:1:1-9:12
+		INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
 	xmlns:android
-		ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:1:11-69
+		ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:1:11-69
 uses-permission#android.permission.BLUETOOTH
-ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:4:5-68
+ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:4:5-68
 	android:name
-		ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:4:22-65
+		ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:4:22-65
 uses-permission#android.permission.BLUETOOTH_ADMIN
-ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:5:5-74
+ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:5:5-74
 	android:name
-		ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:5:22-71
+		ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:5:22-71
 uses-permission#android.permission.ACCESS_COARSE_LOCATION
-ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:6:5-81
+ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:6:5-81
 	android:name
-		ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:6:22-78
+		ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:6:22-78
 uses-permission#android.permission.ACCESS_FINE_LOCATION
-ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:7:5-79
+ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:7:5-79
 	android:name
-		ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml:7:22-76
+		ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml:7:22-76
 uses-sdk
-INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml reason: use-sdk injection requested
-INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
-INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
-INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
-INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
+INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml reason: use-sdk injection requested
+INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
+INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
+INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
+INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
 	android:targetSdkVersion
-		INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
-		ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
-		INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
+		INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
+		ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
+		INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
 	android:minSdkVersion
-		INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
-		ADDED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
-		INJECTED from /Users/liuxiaojie/Documents/work/android/bluetooth-voice/FastBleLib/src/main/AndroidManifest.xml
+		INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
+		ADDED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml
+		INJECTED from D:\androidProject\BluToysApplication\FastBleLib\src\main\AndroidManifest.xml

FastBleLib/src/main/java/com/clj/fastble/BleManager.java

@@ -50,7 +50,7 @@ public class BleManager {
 
     public static final int DEFAULT_SCAN_TIME = 10000;
     private static final int DEFAULT_MAX_MULTIPLE_DEVICE = 7;
-    private static final int DEFAULT_OPERATE_TIME = 5000;
+    private static final int DEFAULT_OPERATE_TIME = 3000;
     private static final int DEFAULT_CONNECT_RETRY_COUNT = 0;
     private static final int DEFAULT_CONNECT_RETRY_INTERVAL = 5000;
     private static final int DEFAULT_MTU = 23;

FastBleLib/src/main/java/com/clj/fastble/bluetooth/BleConnector.java

@@ -532,7 +532,7 @@ public class BleConnector {
             bleWriteCallback.setHandler(mHandler);
             mBleBluetooth.addWriteCallback(uuid_write, bleWriteCallback);
             mHandler.sendMessageDelayed(
-                    mHandler.obtainMessage(BleMsg.MSG_CHA_WRITE_START, bleWriteCallback),
+                    mHandler.obtainMessage(BleMsg.MSG_CHA_WRITE_RESULT, bleWriteCallback),
                     BleManager.getInstance().getOperateTimeout());
         }
     }

app/build.gradle

@@ -62,6 +62,7 @@ dependencies {
 	implementation 'androidx.appcompat:appcompat:1.2.0'
 	implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
 	implementation project(path: ':FastBleLib')
+	implementation project(path: ':library')
 
 
 	testImplementation 'junit:junit:4.12'
@@ -80,8 +81,8 @@ dependencies {
 	implementation 'com.hjq:xxpermissions:8.6'
 	implementation "androidx.multidex:multidex:2.0.0"
 
+	implementation 'androidx.recyclerview:recyclerview:1.1.0'
 
-///	implementation 'com.github.tbruyelle:rxpermissions:0.12'
 
 
 
@@ -115,14 +116,13 @@ dependencies {
 	implementation 'com.contrarywind:Android-PickerView:4.1.9'
 
 
+//	implementation 'com.wx.wheelview:wheelview:1.3.3'
+
 	//工具类
 	implementation 'com.blankj:utilcodex:1.28.0'
-	implementation group: 'com.alibaba', name: 'fastjson', version: '1.2.73'
-	implementation 'com.android.support:multidex:1.0.3'
+	implementation 'com.alibaba:fastjson:1.2.73'
+	implementation 'androidx.multidex:multidex:2.0.0'
 	implementation 'com.orhanobut:logger:1.15'
 	implementation 'top.zibin:Luban:1.1.8'
 
-	//implementation 'com.vise.xiaoyaoyou:baseble:2.0.5'
-
-
 }
\ No newline at end of file

app/src/main/AndroidManifest.xml

@@ -22,7 +22,7 @@
 		android:name="android.permission.BLUETOOTH_PRIVILEGED"
 		tools:ignore="ProtectedPermissions" />
 	<uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />
-	<uses-permission android:name="android.permission.VIBRATE"/>
+	<uses-permission android:name="android.permission.VIBRATE" />
 	<uses-permission android:name="android.permission.FLASHLIGHT" />
 
 	<uses-feature android:name="android.hardware.camera" />
@@ -30,7 +30,6 @@
 
 	<uses-permission android:name="android.permission.WAKE_LOCK" />
 
-
 	<uses-feature android:name="android.hardware.location.gps" />
 	<uses-feature
 		android:name="android.hardware.bluetooth_le"
@@ -39,15 +38,17 @@
 	<application
 		android:name=".app.App"
 		android:allowBackup="true"
-		android:icon="@mipmap/ic_launcher"
+		android:icon="@mipmap/timerlogo"
 		android:label="@string/app_name"
 		android:networkSecurityConfig="@xml/network_security_config"
 		android:requestLegacyExternalStorage="true"
-		android:roundIcon="@mipmap/ic_launcher"
+		android:roundIcon="@mipmap/timerlogo"
 		android:supportsRtl="true"
 		android:theme="@style/AppTheme"
 		tools:targetApi="n">
-		<activity android:name=".activity.SelectTimerActivity"></activity>
+		<activity android:name=".activity.SettingMusicActivity"></activity>
+		<activity android:name=".activity.MusicActivity" />
+		<activity android:name=".activity.SelectTimerActivity" />
 		<activity android:name=".activity.PlayActivity" />
 		<activity android:name=".activity.SetTimeActivity" />
 		<activity android:name=".activity.SelectDeviceActivity" />
@@ -61,13 +62,11 @@
 			</intent-filter>
 		</activity>
 
-
 		<receiver android:name=".ble.receiver.BluetoothOpenAndClose">
 			<intent-filter>
 				<action android:name="android.bluetooth.adapter.action.STATE_CHANGED" />
 			</intent-filter>
 		</receiver>
-
 	</application>
 
 </manifest>
\ No newline at end of file

app/src/main/java/com/example/blu/toys/MainActivity.java

 package com.example.blu.toys;
 
-import android.Manifest;
 import android.os.Bundle;
-import android.widget.LinearLayout;
+import android.os.Handler;
 
 import com.example.blu.toys.activity.AddDeviceActivity;
 import com.example.blu.toys.activity.BaseActivity;
-import com.hjq.permissions.OnPermission;
-import com.hjq.permissions.Permission;
-import com.hjq.permissions.XXPermissions;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import butterknife.BindView;
-import butterknife.OnClick;
 
 public class MainActivity extends BaseActivity {
 
-	@BindView(R.id.stoplight_but)
-	LinearLayout stoplightBut;
-
-	String[] permissions = new String[]{
-			Manifest.permission.ACCESS_COARSE_LOCATION,
-			Manifest.permission.ACCESS_FINE_LOCATION,
-			Manifest.permission.WRITE_EXTERNAL_STORAGE,
-			Manifest.permission.READ_PHONE_STATE
-	};
-	// 声明一个集合，在后面的代码中用来存储用户拒绝授权的权
-	List<String> mPermissionList = new ArrayList<>();
-
-	private static final int MY_PERMISSIONS_REQUEST_CALL_PHONE = 1;
-	private static final int MY_PERMISSIONS_REQUEST_CALL_CAMERA = 2;
-	private BluetoothHelper bluetoothHelper;
-
 
 	@Override
 	public int getLayout() {
@@ -42,139 +16,15 @@ public class MainActivity extends BaseActivity {
 
 	@Override
 	public void init(Bundle savedInstanceState) {
-
-//		for (int i = 0; i < permissions.length; i++) {
-//			if (ContextCompat.checkSelfPermission(MainActivity.this, permissions[i]) != PackageManager.PERMISSION_GRANTED) {
-//				mPermissionList.add(permissions[i]);
-//			}
-//		}
-//		if (mPermissionList.isEmpty()) {//未授予的权限为空，表示都授予了
-//			Toast.makeText(MainActivity.this, "已经授权", Toast.LENGTH_LONG).show();
-//		} else {//请求权限方法
-//			String[] permissions = mPermissionList.toArray(new String[mPermissionList.size()]);//将List转为数组
-//			ActivityCompat.requestPermissions(MainActivity.this, permissions, MY_PERMISSIONS_REQUEST_CALL_CAMERA);
-//		}
-
-
-	}
-
-	private void checkPermission() {
-		XXPermissions.with(this) // 申请安装包权限
-				.permission(Permission.CAMERA, Permission.ACCESS_FINE_LOCATION, Permission.ACCESS_FINE_LOCATION) // 申请多个权限
-				.request(new OnPermission() {
-							 @Override
-							 public void hasPermission(List<String> granted, boolean all) {
-								 if (!all) {
-									 checkPermission();
-								 }
-
-							 }
-
-							 @Override
-							 public void noPermission(List<String> denied, boolean never) {
-								 if (never) {
-									 XXPermissions.startPermissionActivity(MainActivity.this, denied);
-								 } else {
-									 checkPermission();
-								 }
-
-							 }
-						 }
-
-				);
+		new Handler().postDelayed(() -> {
+			goActivity(AddDeviceActivity.class);
+			finish();
+		}, 1000);    //延时1s执行
 	}
 
 
 	@Override
 	public void initData() {
-		checkPermission();
-
-
-
-
-	}
 
-	@OnClick(R.id.stoplight_but)
-	public void onViewClicked() {
-		goActivity(AddDeviceActivity.class);
 	}
-
-
-//	@Override
-//	public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
-//		if (requestCode == MY_PERMISSIONS_REQUEST_CALL_PHONE) {
-//			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-//				showToast("权限已申请");
-//			} else {
-//				showToast("权限已拒绝");
-//			}
-//		} else if (requestCode == MY_PERMISSIONS_REQUEST_CALL_CAMERA) {
-//			for (int i = 0; i < grantResults.length; i++) {
-//				if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
-//					//判断是否勾选禁止后不再询问
-//					boolean showRequestPermission = ActivityCompat.shouldShowRequestPermissionRationale(MainActivity.this, permissions[i]);
-//					if (showRequestPermission) {
-//						showToast("权限未申请");
-//					}
-//				}
-//			}
-//		}
-//		super.onRequestPermissionsResult(requestCode, permissions, grantResults);
-//	}
-//
-//	private void showToast(String string) {
-//		Toast.makeText(MainActivity.this, string, Toast.LENGTH_LONG).show();
-//	}
-
-
-//	private void checkBluetoothPermission() {
-//		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-//			//校验是否已具有模糊定位权限
-//			if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
-//				PermissionManager.instance().with(this).request(new OnPermissionCallback() {
-//					@Override
-//					public void onRequestAllow(String permissionName) {
-//						enableBluetooth();
-//					}
-//
-//					@Override
-//					public void onRequestRefuse(String permissionName) {
-//						finish();
-//					}
-//
-//					@Override
-//					public void onRequestNoAsk(String permissionName) {
-//						finish();
-//					}
-//				}, Manifest.permission.ACCESS_COARSE_LOCATION);
-//			} else {
-//				enableBluetooth();
-//			}
-//		} else {
-//			enableBluetooth();
-//		}
-//	}
-//
-//	private void enableBluetooth() {
-//		if (!BleUtil.isBleEnable(this)) {
-//			BleUtil.enableBluetooth(this, 1);
-//		} else {
-//			boolean isSupport = BleUtil.isSupportBle(this);
-//			boolean isOpenBle = BleUtil.isBleEnable(this);
-//			if (isSupport) {
-//				supportTv.setText(getString(R.string.supported));
-//			} else {
-//				supportTv.setText(getString(R.string.not_supported));
-//			}
-//			if (isOpenBle) {
-//				statusTv.setText(getString(R.string.on));
-//			} else {
-//				statusTv.setText(getString(R.string.off));
-//			}
-//			invalidateOptionsMenu();
-//			updateConnectedDevice();
-//		}
-//	}
-
-
 }
\ No newline at end of file

app/src/main/java/com/example/blu/toys/activity/BaseActivity.java

@@ -19,9 +19,15 @@ import android.view.WindowManager;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
+import androidx.recyclerview.widget.LinearLayoutManager;
 
+import com.example.blu.toys.MainActivity;
 import com.example.blu.toys.app.AppManager;
 import com.example.blu.toys.utils.Utils;
+import com.example.blu.toys.view.WrapContentGridLayoutManager;
+import com.hjq.permissions.OnPermission;
+import com.hjq.permissions.Permission;
+import com.hjq.permissions.XXPermissions;
 
 
 import java.util.ArrayList;
@@ -32,7 +38,6 @@ import butterknife.ButterKnife;
 import butterknife.Unbinder;
 
 
-
 public abstract class BaseActivity extends AppCompatActivity {
 
 	private Unbinder mBinder;
@@ -51,13 +56,44 @@ public abstract class BaseActivity extends AppCompatActivity {
 		setContentView(getLayout());
 //		getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
 		AppManager.getInstance().addActivity(this);
-
+		checkPermission();
 		mBinder = ButterKnife.bind(this);
 		init(savedInstanceState);
 		initData();
+	}
 
+	private void checkPermission() {
+		XXPermissions.with(this) // 申请安装包权限
+				.permission(Permission.CAMERA, Permission.ACCESS_FINE_LOCATION, Permission.ACCESS_FINE_LOCATION) // 申请多个权限
+				.request(new OnPermission() {
+							 @Override
+							 public void hasPermission(List<String> granted, boolean all) {
+								 if (!all) {
+									 checkPermission();
+								 }
+							 }
+
+							 @Override
+							 public void noPermission(List<String> denied, boolean never) {
+								 if (never) {
+									 XXPermissions.startPermissionActivity(BaseActivity.this, denied);
+								 } else {
+									 checkPermission();
+								 }
+
+							 }
+						 }
+
+				);
 	}
 
+	protected LinearLayoutManager getLinearLayout() {
+		LinearLayoutManager layoutManager = new WrapContentGridLayoutManager(this);
+		layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
+		return layoutManager;
+	}
+
+
 	public abstract int getLayout();
 
 	public abstract void init(Bundle savedInstanceState);
@@ -73,7 +109,6 @@ public abstract class BaseActivity extends AppCompatActivity {
 	}
 
 
-
 	@Override
 	protected void onDestroy() {
 		super.onDestroy();

app/src/main/java/com/example/blu/toys/activity/MusicActivity.java

+package com.example.blu.toys.activity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+
+import com.example.blu.toys.R;
+import com.example.blu.toys.view.TypefaceTextView;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+
+public class MusicActivity extends BaseActivity {
+
+	@BindView(R.id.open_music)
+	TypefaceTextView openMusic;
+	@BindView(R.id.close_music)
+	TypefaceTextView closeMusic;
+
+	@Override
+	public int getLayout() {
+		return R.layout.activity_music;
+	}
+
+	@Override
+	public void init(Bundle savedInstanceState) {
+
+	}
+
+	@Override
+	public void initData() {
+
+	}
+
+
+	@OnClick({R.id.open_music, R.id.close_music})
+	public void onViewClicked(View view) {
+		Intent intent = new Intent(MusicActivity.this, SettingMusicActivity.class);
+		switch (view.getId()) {
+			case R.id.open_music:
+				intent.putExtra("musicType", "open");
+				break;
+			case R.id.close_music:
+				intent.putExtra("musicType", "close");
+				break;
+		}
+		startActivity(intent);
+	}
+}
\ No newline at end of file

app/src/main/java/com/example/blu/toys/activity/PlayActivity.java

 package com.example.blu.toys.activity;
 
+import android.content.Intent;
 import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
 import android.view.View;
 
+import com.clj.fastble.callback.BleWriteCallback;
+import com.clj.fastble.exception.BleException;
 import com.example.blu.toys.R;
+import com.example.blu.toys.ble.BlePlay;
+import com.example.blu.toys.ble.agreement.TrafficLightBean;
+import com.example.blu.toys.utils.SpUtils;
+import com.example.blu.toys.view.TypefaceTextView;
+import com.example.blu.toys.view.WheelView;
+import com.hjq.toast.ToastUtils;
 
+import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 
 public class PlayActivity extends BaseActivity {
 
+
+	@BindView(R.id.task_time)
+	TypefaceTextView typefaceTextView;//倒计时
+
+	private int mDay = 0;
+	private int mHour = 0;
+	private int mMin = 0;
+	private int mSecond = 00;// 天 ,小时,分钟,秒
+	private boolean isRun = true;
+
+
+	private Handler timeHandler = new Handler() {
+
+		@Override
+		public void handleMessage(Message msg) {
+			super.handleMessage(msg);
+			if (msg.what == 1) {
+				computeTime();
+				typefaceTextView.setText(mHour + ":" + mHour + ":" + mSecond);
+			}
+		}
+	};
+
+
+	/**
+	 * 开启倒计时
+	 */
+	private void startRun() {
+		new Thread(() -> {
+			while (isRun) {
+				try {
+					Thread.sleep(1000); // sleep 1000ms
+					Message message = Message.obtain();
+					message.what = 1;
+					timeHandler.sendMessage(message);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		}).start();
+	}
+
+	/**
+	 * 倒计时计算
+	 */
+	private void computeTime() {
+		mSecond--;
+		if (mSecond < 0) {
+			mMin--;
+			mSecond = 59;
+			if (mMin < 0) {
+				mMin = 59;
+				mHour--;
+				if (mHour < 0) {
+					// 倒计时结束
+					mHour = 23;
+					mDay--;
+				}
+			}
+		}
+	}
+
+
 	@Override
 	public int getLayout() {
 		return R.layout.activity_play;
@@ -17,7 +92,11 @@ public class PlayActivity extends BaseActivity {
 
 	@Override
 	public void init(Bundle savedInstanceState) {
-
+		Intent intent = getIntent();
+		mHour = intent.getIntExtra("hour", 0);
+		mMin = intent.getIntExtra("min", 0);
+		mSecond = intent.getIntExtra("second", 0);
+		startRun();
 	}
 
 	@Override
@@ -28,11 +107,73 @@ public class PlayActivity extends BaseActivity {
 
 	@OnClick({R.id.cancel_but, R.id.pause_but, R.id.resume_but})
 	public void onViewClicked(View view) {
+		SpUtils spUtils = SpUtils.getSpUtils(PlayActivity.this);
+		int close = spUtils.getSPValue("close", 1);
+		int open = spUtils.getSPValue("open", 10);
+		int alarm = spUtils.getSPValue("alarm", 1);
+		int green = spUtils.getSPValue("green", 1);
+		int brightness = spUtils.getSPValue("brightness", 50);
+
 		switch (view.getId()) {
-			case R.id.cancel_but:
-			case R.id.pause_but:
-			case R.id.resume_but:
-				goActivity(SelectTimerActivity.class);
+			case R.id.cancel_but://取消 关机
+
+
+
+				TrafficLightBean trafficLightBean = new TrafficLightBean(
+						1, 0,
+						0, 0, 0, 0, 0, 0);
+				byte[] bytes = trafficLightBean.toByte();
+				BlePlay.getInstance().sendStard(bytes, new BleWriteCallback() {
+					@Override
+					public void onWriteSuccess(int current, int total, byte[] justWrite) {
+						ToastUtils.show("关机-发送成功");
+						timeHandler.removeMessages(1);
+
+					}
+
+					@Override
+					public void onWriteFailure(BleException exception) {
+
+					}
+				});
+
+
+			case R.id.pause_but://暂停
+				int time = mHour * 360 + mMin * 60 + mSecond;
+				TrafficLightBean ttt = new TrafficLightBean(2, 0,
+						time, brightness, open, close, green, alarm);
+				byte[] bytes12 = ttt.toByte();
+				BlePlay.getInstance().sendPause(bytes12, new BleWriteCallback() {
+					@Override
+					public void onWriteSuccess(int current, int total, byte[] justWrite) {
+						ToastUtils.show("暂停-发送成功");
+						timeHandler.removeMessages(1);
+					}
+
+					@Override
+					public void onWriteFailure(BleException exception) {
+
+					}
+				});
+
+			case R.id.resume_but://开始
+				int hh = mHour * 360 + mMin * 60 + mSecond;
+				TrafficLightBean tt = new TrafficLightBean(2, 1,
+						hh, brightness, open, close, green, alarm);
+				byte[] byte11 = tt.toByte();
+				BlePlay.getInstance().sendStard(byte11, new BleWriteCallback() {
+					@Override
+					public void onWriteSuccess(int current, int total, byte[] justWrite) {
+						startRun();
+						ToastUtils.show("开始-发送成功");
+					}
+
+					@Override
+					public void onWriteFailure(BleException exception) {
+
+					}
+				});
+
 				break;
 		}
 	}

app/src/main/java/com/example/blu/toys/activity/SearchingActivity.java

 package com.example.blu.toys.activity;
 
+import android.os.Build;
 import android.os.Bundle;
-import android.util.Log;
 
+import androidx.annotation.RequiresApi;
+
+import com.clj.fastble.data.BleDevice;
 import com.example.blu.toys.R;
-import com.example.blu.toys.app.AppManager;
+import com.example.blu.toys.ble.BlePlay;
 
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 import org.greenrobot.eventbus.ThreadMode;
 
+import java.util.List;
+
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 
 public class SearchingActivity extends BaseActivity {
 
+
 	@Override
 	public int getLayout() {
 		return R.layout.activity_searching;
@@ -27,22 +33,18 @@ public class SearchingActivity extends BaseActivity {
 
 	@Override
 	public void initData() {
-
+		BlePlay.getInstance().scanBle();
 	}
 
 
-	@OnClick(R.id.select_dev)
-	public void onViewClicked() {
+	@RequiresApi(api = Build.VERSION_CODES.N)
+	@Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
+	public void GoDeviceListPage(List<BleDevice> bleDevices) {
 		goActivity(SelectDeviceActivity.class);
 	}
 
-
-
-	@Subscribe(threadMode = ThreadMode.MAIN)
-	public void GoDeviceListPage(String login) {
-		goActivity(SelectDeviceActivity.class);
+	@OnClick(R.id.back_but)
+	public void onViewClicked() {
+		finish();
 	}
-
-
-
 }
\ No newline at end of file

app/src/main/java/com/example/blu/toys/activity/SelectDeviceActivity.java

 package com.example.blu.toys.activity;
 
 import android.os.Bundle;
+import android.text.TextUtils;
 
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.blankj.utilcode.util.CollectionUtils;
+import com.blankj.utilcode.util.LogUtils;
+import com.clj.fastble.data.BleDevice;
 import com.example.blu.toys.R;
+import com.example.blu.toys.adapter.BleDeviceAdapter;
+import com.example.blu.toys.ble.BlePlay;
+
+import org.greenrobot.eventbus.EventBus;
+import org.greenrobot.eventbus.Subscribe;
+import org.greenrobot.eventbus.ThreadMode;
 
-import butterknife.ButterKnife;
+import java.util.ArrayList;
+import java.util.List;
+
+import butterknife.BindView;
 import butterknife.OnClick;
 
 public class SelectDeviceActivity extends BaseActivity {
 
+	@BindView(R.id.recyclerView)
+	RecyclerView mRecyclerView;
+
+	BleDeviceAdapter bleDeviceAdapter;
+	private List<BleDevice> bleDevices;
+
 	@Override
 	public int getLayout() {
 		return R.layout.activity_seleclt_device;
@@ -16,17 +37,58 @@ public class SelectDeviceActivity extends BaseActivity {
 
 	@Override
 	public void init(Bundle savedInstanceState) {
-
+		EventBus.getDefault().register(this);
 	}
 
 	@Override
 	public void initData() {
+		if (bleDevices == null) {
+			bleDevices = new ArrayList<>();
+		}
+		mRecyclerView.setLayoutManager(getLinearLayout());
+		bleDeviceAdapter = new BleDeviceAdapter(R.layout.ble_devices_item, bleDevices);
+		mRecyclerView.setAdapter(bleDeviceAdapter);
+		bleDeviceAdapter.setOnItemClickListener((adapter, view, position) -> {
+			BleDevice bleDevice = (BleDevice) adapter.getItem(position);
+			BlePlay.getInstance().connectedBleDevice(bleDevice);
+		});
+	}
+
 
+	@Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
+	public void showBleDevices(List<BleDevice> bles) {
+		if (CollectionUtils.isEmpty(bles)) {
+			return;
+		}
+
+		if (bleDevices == null) {
+			bleDevices = new ArrayList<>();
+		}
+
+		bleDevices.clear();
+
+		for (int i = 0; i < bles.size(); i++) {
+			BleDevice bleDevice = bles.get(i);
+			String deviceName = bleDevice.getName();
+			if (!TextUtils.isEmpty(deviceName) && deviceName.contains("Traffic")) {
+				bleDevices.add(bleDevice);
+			}
+		}
+		if (bleDeviceAdapter != null) {
+			bleDeviceAdapter.notifyDataSetChanged();
+		}
 	}
 
 
-	@OnClick(R.id.go_start)
-	public void onViewClicked() {
+	@Subscribe(threadMode = ThreadMode.MAIN)
+	public void connDevices(BleDevice ble) {
+		LogUtils.e("连接 成功");
 		goActivity(SetTimeActivity.class);
 	}
+
+
+	@OnClick(R.id.back_but)
+	public void onViewClicked() {
+		finish();
+	}
 }
\ No newline at end of file

app/src/main/java/com/example/blu/toys/activity/SelectTimerActivity.java

 package com.example.blu.toys.activity;
 
-import androidx.appcompat.app.AppCompatActivity;
-
+import android.content.Intent;
 import android.os.Bundle;
+import android.widget.CompoundButton;
+import android.widget.SeekBar;
+import android.widget.Switch;
 
 import com.example.blu.toys.R;
+import com.example.blu.toys.utils.SpUtils;
+import com.example.blu.toys.view.TypefaceTextView;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
 
+//设置
 public class SelectTimerActivity extends BaseActivity {
 
 
+	@BindView(R.id.back_but)
+	TypefaceTextView backBut;
+	@BindView(R.id.will)
+	TypefaceTextView will;
+	@BindView(R.id.alarm_switch)
+	Switch alarmSwitch;
+	@BindView(R.id.music_switch)
+	Switch musicSwitch;
+	@BindView(R.id.green_switch)
+	Switch greenSwitch;
+	@BindView(R.id.brightness_bar)
+	SeekBar brightnessBar;
+
 	@Override
 	public int getLayout() {
 		return R.layout.activity_select_timer;
@@ -17,10 +39,59 @@ public class SelectTimerActivity extends BaseActivity {
 	@Override
 	public void init(Bundle savedInstanceState) {
 
+		SpUtils spUtils = SpUtils.getSpUtils(this);
+//		spUtils.putSPValue("close", 1);
+//		spUtils.putSPValue("open", 10);
+		spUtils.putSPValue("brightness", 50);
+
+		alarmSwitch.setOnCheckedChangeListener((buttonView, isChecked) -> {
+			if (isChecked) {
+				spUtils.putSPValue("alarm", 1);
+			} else {
+				spUtils.putSPValue("alarm", 0);
+			}
+		});
+
+		musicSwitch.setOnCheckedChangeListener((buttonView, isChecked) -> {
+			startActivity(new Intent(SelectTimerActivity.this, MusicActivity.class));
+		});
+
+		greenSwitch.setOnCheckedChangeListener((buttonView, isChecked) -> {
+			if (isChecked) {
+				spUtils.putSPValue("green", 1);
+			} else {
+				spUtils.putSPValue("green", 0);
+			}
+		});
+
+		brightnessBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+			@Override
+			public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+				spUtils.putSPValue("brightness", progress);
+			}
+
+			@Override
+			public void onStartTrackingTouch(SeekBar seekBar) {
+
+			}
+
+			@Override
+			public void onStopTrackingTouch(SeekBar seekBar) {
+
+			}
+		});
+
+
 	}
 
 	@Override
 	public void initData() {
 
 	}
+
+
+	@OnClick(R.id.back_but)
+	public void onViewClicked() {
+		finish();
+	}
 }
\ No newline at end of file

app/src/main/java/com/example/blu/toys/activity/SetTimeActivity.java

 package com.example.blu.toys.activity;
 
+import android.content.Intent;
 import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.RelativeLayout;
 
+import com.blankj.utilcode.util.LogUtils;
+import com.blankj.utilcode.util.StringUtils;
+import com.clj.fastble.callback.BleWriteCallback;
+import com.clj.fastble.data.BleDevice;
+import com.clj.fastble.exception.BleException;
 import com.example.blu.toys.R;
+import com.example.blu.toys.ble.BlePlay;
+import com.example.blu.toys.ble.agreement.TrafficLightBean;
+import com.example.blu.toys.utils.LocalDateUtils;
+import com.example.blu.toys.utils.SpUtils;
+import com.example.blu.toys.view.TypefaceTextView;
+import com.example.blu.toys.view.WheelView;
+import com.hjq.toast.ToastUtils;
 
-import butterknife.ButterKnife;
+import org.greenrobot.eventbus.Subscribe;
+import org.greenrobot.eventbus.ThreadMode;
+
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Date;
+
+import butterknife.BindView;
 import butterknife.OnClick;
 
 public class SetTimeActivity extends BaseActivity {
 
+
+	@BindView(R.id.wheel_hour)
+	WheelView wheelHour;
+	@BindView(R.id.wheel_minute)
+	WheelView wheelMinute;
+	@BindView(R.id.wheel_second)
+	WheelView wheelSecond;
+	@BindView(R.id.wheel_am_pm)
+	WheelView wheelAmPm;
+
+	@BindView(R.id.wheel_hour_dw)
+	WheelView wheelHour_dw;
+	@BindView(R.id.wheel_minute_dw)
+	WheelView wheelMinute_dw;
+	@BindView(R.id.wheel_second_dw)
+	WheelView wheelSecond_dw;
+	@BindView(R.id.back_but)
+	TypefaceTextView backBut;
+	@BindView(R.id.center)
+	LinearLayout center;
+	@BindView(R.id.start_but)
+	RelativeLayout startBut;
+	@BindView(R.id.will)
+	TypefaceTextView will;
+
+	private ArrayList<String> hourList = new ArrayList<>();
+	private ArrayList<String> minuteList = new ArrayList<>();
+	private ArrayList<String> secondList = new ArrayList<>();
+	private ArrayList<String> amPmList = new ArrayList<>();
+
+	private int amOrPm = 0;
+
+
+	String selectHour;
+	String selectMin;
+	String selectSec;
+
+	String selectHour_dw;
+	String selectMin_dw;
+	String selectSec_dw;
+
+	int hour = 0;
+	int min = 0;
+	int second = 0;
+
+
 	@Override
 	public int getLayout() {
 		return R.layout.activity_set_time;
@@ -17,16 +87,397 @@ public class SetTimeActivity extends BaseActivity {
 	@Override
 	public void init(Bundle savedInstanceState) {
 
+		wheelHour.setOnWheelViewListener(new WheelView.OnWheelViewListener() {
+			@Override
+			public void onSelected(int selectedIndex, String item) {
+				if (StringUtils.isEmpty(item)) {
+					//不能动
+					int indexHour = hourList.indexOf(selectHour);
+					wheelHour.setSeletion(indexHour);
+					return;
+				}
+				Date time = new Date();
+				Calendar calendar = Calendar.getInstance();
+				calendar.setTime(time);
+				int nowHour = calendar.get(Calendar.HOUR);//时（12小时制）
+
+				if (item.startsWith("0")) {
+					item = item.substring(1);
+				}
+
+				//获取选择的时间
+				Integer selectHourTime = Integer.valueOf(item);
+				if (selectHourTime < nowHour) {
+					int indexHour = hourList.indexOf(selectHour);
+					wheelHour.setSeletion(indexHour);
+					ToastUtils.show("选择的时间不能小于当前时间");
+					return;
+				}
+
+//				selectHour = item;
+//				//下面的小时 显示
+//				int dowHour = selectHourTime - nowHour;
+//				if (dowHour < 10) {
+//					selectHour_dw = "0" + dowHour;
+//				} else {
+//					selectHour_dw = String.valueOf(dowHour);
+//				}
+//				wheelHour_dw.setSeletion(hourList.indexOf(selectHour_dw));
+
+			}
+		});
+
+
+		wheelMinute.setOnWheelViewListener(new WheelView.OnWheelViewListener() {
+			@Override
+			public void onSelected(int selectedIndex, String item) {
+				if (StringUtils.isEmpty(item)) {
+					int indexMinute = minuteList.indexOf(selectMin);
+					wheelMinute.setSeletion(indexMinute);
+					return;
+				}
+
+				Calendar calendar = Calendar.getInstance();
+				int nowHour = calendar.get(Calendar.HOUR);//时（12小时制）
+				int nowMin = calendar.get(Calendar.MINUTE);
+
+
+				String currentSelectHour;
+				if (selectHour.startsWith("0")) {
+					currentSelectHour = item.substring(1);
+				} else {
+					currentSelectHour = selectHour;
+				}
+
+				Integer selectHourTime = Integer.valueOf(currentSelectHour);
+
+				if (selectHourTime < nowHour) {
+					ToastUtils.show("选择的时间不能小于当前时间");
+					return;
+				}
+
+
+				if (selectHourTime > nowHour) {
+					selectMin = item;
+				}
+
+
+				if (selectHourTime == nowHour) {
+					if (item.startsWith("0")) {
+						item = item.substring(1);
+					}
+					Integer selectMinTime = Integer.valueOf(item);
+					if (selectMinTime < nowMin) {
+						int indexMinute = minuteList.indexOf(selectMin);
+						wheelMinute.setSeletion(indexMinute);
+						ToastUtils.show("选择的时间不能小于当前时间");
+					} else {
+						selectMin = item;
+					}
+				}
+
+
+				if (selectMin.startsWith("0")) {
+					item = item.substring(1);
+				}
+
+				Integer selectMinTime = Integer.valueOf(item);
+
+				//设置下面的时间
+//				int dowMin = selectMinTime - nowMin;
+//				if (dowMin < 10) {
+//					selectMin_dw = "0" + dowMin;
+//				} else {
+//					selectMin_dw = String.valueOf(dowMin);
+//				}
+//
+//				wheelMinute_dw.setSeletion(minuteList.indexOf(selectMin_dw));
+			}
+		});
+
+
+		//秒的选择
+		wheelSecond.setOnWheelViewListener(new WheelView.OnWheelViewListener() {
+			@Override
+			public void onSelected(int selectedIndex, String item) {
+				if (StringUtils.isEmpty(item)) {
+					int indexSecond = secondList.indexOf(selectSec);
+					wheelSecond.setSeletion(indexSecond);
+					return;
+				}
+
+				Date time = new Date();
+				Calendar calendar = Calendar.getInstance();
+				calendar.setTime(time);
+				int nowHour = calendar.get(Calendar.HOUR);//时（12小时制）
+				int nowMinute = calendar.get(Calendar.MINUTE);//分
+				int nowSecond = calendar.get(Calendar.SECOND);
+
+				String currentHour;
+				if (selectHour.startsWith("0")) {
+					currentHour = item.substring(1);
+				} else {
+					currentHour = selectHour;
+				}
+				Integer currentSelectHour = Integer.valueOf(currentHour);
+
+				String currentMin;
+
+				if (selectMin.startsWith("0")) {
+					currentMin = item.substring(1);
+				} else {
+					currentMin = selectMin;
+				}
+				Integer currentSelectMin = Integer.valueOf(currentMin);
+
+
+				//当小时大于当前的时间
+				if (currentSelectHour >= nowHour) {
+
+
+					if (currentSelectMin > nowMinute) {
+						selectSec = item;
+					}
+
+
+					if (currentSelectMin == nowMinute) {
+
+						String sec;
+						if (item.startsWith("0")) {
+							sec = item.substring(1);
+						} else {
+							sec = item;
+						}
+						Integer selectSecTime = Integer.valueOf(sec);
+
+						//计算秒
+						if (selectSecTime < nowSecond) {
+							int indexSec = secondList.indexOf(selectMin);
+							wheelSecond.setSeletion(indexSec);
+							ToastUtils.show("选择的时间不能小于当前时间");
+						} else {
+							selectMin = item;
+						}
+//
+//						int dowSec = selectSecTime - nowSecond;
+//						if (dowSec < 10) {
+//							selectSec_dw = "0" + dowSec;
+//						} else {
+//							selectSec_dw = String.valueOf(dowSec);
+//						}
+//
+//						wheelSecond_dw.setSeletion(secondList.indexOf(selectSec_dw));
+					}
+
+				} else {
+					ToastUtils.show("选择的时间不能小于当前时间");
+				}
+
+			}
+		});
+
+
+		wheelHour_dw.setOnWheelViewListener(new WheelView.OnWheelViewListener() {
+			@Override
+			public void onSelected(int selectedIndex, String item) {
+				selectHour_dw = hourList.get(selectedIndex);
+
+			}
+		});
+
+
+		wheelMinute_dw.setOnWheelViewListener(new WheelView.OnWheelViewListener() {
+			@Override
+			public void onSelected(int selectedIndex, String item) {
+				selectMin_dw = minuteList.get(selectedIndex);
+			}
+		});
+
+
+		wheelSecond_dw.setOnWheelViewListener(new WheelView.OnWheelViewListener() {
+			@Override
+			public void onSelected(int selectedIndex, String item) {
+				selectSec_dw = secondList.get(selectedIndex);
+			}
+		});
+
+
 	}
 
 	@Override
 	public void initData() {
+		Date time = new Date();
+		Calendar calendar = Calendar.getInstance();
+		calendar.setTime(time);
+		int hour = calendar.get(Calendar.HOUR);//时（12小时制）
+		int minute = calendar.get(Calendar.MINUTE);//分
+		int second = calendar.get(Calendar.SECOND);
+
+		int currTime = LocalDateUtils.getHour(time);
+		if (currTime > 12) {
+			amOrPm = 1;
+		} else {
+			amOrPm = 0;
+		}
+
+		hourList.clear();
+		minuteList.clear();
+		secondList.clear();
+
+		amPmList.add("AM");
+		amPmList.add("PM");
+
+		hourList.add("00");
+
+		for (int i = 1; i <= 12; i++) {
+			if (i < 10) {
+				hourList.add("0" + i);
+			} else {
+				hourList.add(String.valueOf(i));
+
+			}
+		}
+		for (int i = 0; i <= 59; i++) {
+			if (i < 10) {
+				minuteList.add("0" + i);
+				secondList.add("0" + i);
+			} else {
+				minuteList.add(String.valueOf(i));
+				secondList.add(String.valueOf(i));
+			}
+
+
+		}
+
+		///时////
+		wheelHour.setOffset(3);
+		wheelHour.setItems(hourList);
+		if (hour < 10) {
+			selectHour = "0" + hour;
+		} else {
+			selectHour = String.valueOf(hour);
+		}
+		int indexHour = hourList.indexOf(selectHour);
+		wheelHour.setSeletion(indexHour);
+
+		///分////
+		wheelMinute.setOffset(3);// 对话框中当前项上面和下面的项数
+		wheelMinute.setItems(minuteList);// 设置数据源
+		if (minute < 10) {
+			selectMin = "0" + minute;
+		} else {
+			selectMin = String.valueOf(minute);
+		}
+		int indexMinute = minuteList.indexOf(selectMin);
+		wheelMinute.setSeletion(indexMinute);// 默认选中第三项
+
+
+		///秒////
+		wheelSecond.setOffset(3);
+		wheelSecond.setItems(secondList);// 设置数据源
+		if (second < 10) {
+			selectSec = "0" + second;
+		} else {
+			selectSec = String.valueOf(second);
+		}
+
+		int indexSecond = secondList.indexOf(selectSec);
+		wheelSecond.setSeletion(indexSecond);
+
+		wheelAmPm.setOffset(2);// 对话框中当前项上面和下面的项数
+		wheelAmPm.setItems(amPmList);// 设置数据源
+		wheelAmPm.setSeletion(amOrPm);// 默认选中第三项
+
+
+		/////////下////////
+		///时////
+		wheelHour_dw.setOffset(3);
+		wheelHour_dw.setItems(hourList);
+		wheelHour_dw.setSeletion(0);
+
+		///分////
+		wheelMinute_dw.setOffset(3);// 对话框中当前项上面和下面的项数
+		wheelMinute_dw.setItems(minuteList);// 设置数据源
+		wheelMinute_dw.setSeletion(0);// 默认选中第三项
+
+		///秒////
+		wheelSecond_dw.setOffset(3);
+		wheelSecond_dw.setItems(secondList);
+		wheelSecond_dw.setSeletion(0);
 
 	}
 
 
-	@OnClick(R.id.start_but)
-	public void onViewClicked() {
-		goActivity(PlayActivity.class);
+	@Subscribe(threadMode = ThreadMode.MAIN)
+	public void setBleDevice(BleDevice ble) {
+		LogUtils.e("连接 成功-----开机");
+	}
+
+	@OnClick({R.id.back_but, R.id.start_but})
+	public void onViewClicked(View view) {
+		switch (view.getId()) {
+			case R.id.back_but:
+				BlePlay.getInstance().closeBle();
+				finish();
+				break;
+			case R.id.start_but:
+				boolean bleOpen = BlePlay.getInstance().isBleOpen();
+				if (!bleOpen) {
+					ToastUtils.show("请打开蓝牙");
+					return;
+				}
+				if (TextUtils.isEmpty(selectHour_dw)) {
+					hour = 0;
+				} else if (selectHour_dw.startsWith("0")) {
+					selectHour_dw = selectHour_dw.substring(1);
+					hour = Integer.valueOf(selectHour_dw);
+				}
+
+				if (TextUtils.isEmpty(selectMin_dw)) {
+					min = 0;
+				} else if (selectMin_dw.startsWith("0")) {
+					selectMin_dw = selectMin_dw.substring(1);
+					min = Integer.valueOf(selectMin_dw);
+				}
+
+				if (TextUtils.isEmpty(selectSec_dw)) {
+					second = 0;
+				} else if (selectSec_dw.startsWith("0")) {
+					selectSec_dw = selectSec_dw.substring(1);
+					second = Integer.valueOf(selectSec_dw);
+				}
+
+
+				//转换成秒 0000000000000000
+				int time = hour * 360 + min * 60 + second;
+				SpUtils spUtils = SpUtils.getSpUtils(SetTimeActivity.this);
+				int close = spUtils.getSPValue("close", 1);
+				int open = spUtils.getSPValue("open", 10);
+				int alarm = spUtils.getSPValue("alarm", 1);
+				int green = spUtils.getSPValue("green", 1);
+				int brightness = spUtils.getSPValue("brightness", 50);
+
+				TrafficLightBean trafficLightBean = new TrafficLightBean(
+						2, 1,
+						time, brightness, open, close, green, alarm);
+
+				byte[] bytes = trafficLightBean.toByte();
+				BlePlay.getInstance().sendStard(bytes, new BleWriteCallback() {
+					@Override
+					public void onWriteSuccess(int current, int total, byte[] justWrite) {
+						Intent intent = new Intent(SetTimeActivity.this, PlayActivity.class);
+						intent.putExtra("hour", hour);
+						intent.putExtra("min", min);
+						intent.putExtra("second", second);
+						startActivity(intent);
+					}
+
+					@Override
+					public void onWriteFailure(BleException exception) {
+
+					}
+				});
+				break;
+		}
 	}
 }
\ No newline at end of file

app/src/main/java/com/example/blu/toys/activity/SettingMusicActivity.java

+package com.example.blu.toys.activity;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.clj.fastble.data.BleDevice;
+import com.example.blu.toys.R;
+import com.example.blu.toys.adapter.BleDeviceAdapter;
+import com.example.blu.toys.adapter.MusicAdapter;
+import com.example.blu.toys.utils.SpUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import butterknife.BindView;
+
+public class SettingMusicActivity extends BaseActivity {
+
+
+	@BindView(R.id.recyclerView)
+	RecyclerView mRecyclerView;
+
+	MusicAdapter musicAdapter;
+	private List<Integer> integerList;
+	private SpUtils spUtils;
+
+	@Override
+	public int getLayout() {
+		return R.layout.activity_setting_music;
+	}
+
+	@Override
+	public void init(Bundle savedInstanceState) {
+		spUtils = SpUtils.getSpUtils(SettingMusicActivity.this);
+		Intent intent = getIntent();
+		String musicType = intent.getStringExtra("musicType");
+		integerList = new ArrayList<>();
+		for (int i = 0; i < 20; i++) {
+			integerList.add(i);
+		}
+		mRecyclerView.setLayoutManager(getLinearLayout());
+		musicAdapter = new MusicAdapter(R.layout.ble_devices_item, integerList, musicType);
+		mRecyclerView.setAdapter(musicAdapter);
+		musicAdapter.setOnItemClickListener((adapter, view, position) -> {
+			Integer integer = integerList.get(position);
+			if (musicType.equals("close")) {
+				spUtils.putSPValue("close", integer);
+			} else {
+				spUtils.putSPValue("open", integer);
+			}
+		});
+	}
+
+	@Override
+	public void initData() {
+
+	}
+}
\ No newline at end of file

app/src/main/java/com/example/blu/toys/adapter/BleDeviceAdapter.java

+package com.example.blu.toys.adapter;
+
+
+import android.text.TextUtils;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.BaseViewHolder;
+
+
+import com.clj.fastble.data.BleDevice;
+import com.example.blu.toys.R;
+
+import java.util.List;
+
+public class BleDeviceAdapter extends BaseQuickAdapter<BleDevice, BaseViewHolder> {
+
+
+	public BleDeviceAdapter(int layoutResId, List<BleDevice> data) {
+		super(layoutResId, data);
+	}
+
+	@Override
+	protected void convert(BaseViewHolder helper, BleDevice item) {
+		String deviceName = item.getName();
+		if (!TextUtils.isEmpty(deviceName) && deviceName.contains("Traffic")) {
+			helper.setText(R.id.dv_name, item.getName() + "");
+		}
+	}
+}
\ No newline at end of file

app/src/main/java/com/example/blu/toys/adapter/MusicAdapter.java

+package com.example.blu.toys.adapter;
+
+
+import android.text.TextUtils;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.BaseViewHolder;
+import com.clj.fastble.data.BleDevice;
+import com.example.blu.toys.R;
+import com.example.blu.toys.utils.SpUtils;
+
+import java.util.List;
+
+public class MusicAdapter extends BaseQuickAdapter<Integer, BaseViewHolder> {
+
+
+	private String musicType;
+
+	public MusicAdapter(int layoutResId, List<Integer> data, String musicType) {
+		super(layoutResId, data);
+		this.musicType = musicType;
+	}
+
+	@Override
+	protected void convert(BaseViewHolder helper, Integer item) {
+		SpUtils spUtils = SpUtils.getSpUtils(mContext);
+		int spValue = spUtils.getSPValue(musicType, -1);
+		if (spValue == item) {
+			helper.setTextColor(R.id.dv_name, mContext.getResources().getColor(R.color.backer_back));
+		}
+		helper.setText(R.id.dv_name, item + "");
+	}
+}
\ No newline at end of file

app/src/main/java/com/example/blu/toys/app/App.java

@@ -5,6 +5,7 @@ import android.app.Application;
 import android.util.DisplayMetrics;
 
 import com.clj.fastble.BleManager;
+import com.example.blu.toys.utils.SpUtils;
 import com.hjq.toast.ToastUtils;
 
 public class App extends Application {
@@ -39,39 +40,15 @@ public class App extends Application {
 				.enableLog(true)
 				.setReConnectCount(3, 5000)
 				.setMaxConnectCount(7)
-				.setConnectOverTime(50000)
-				.setOperateTimeout(50000);
-
-
-//		DoohanBle.getInstance().init(this);
-//		DoohanBle.config().setScanTimeout(5000)//扫描超时时间，这里设置为永久扫描
-//				.setConnectTimeout(10 * 1000)//连接超时时间
-//				.setOperateTimeout(5 * 1000)//设置数据操作超时时间
-//				.setConnectRetryCount(5)//设置连接失败重试次数
-//				.setConnectRetryInterval(1000)//设置连接失败重试间隔时间
-//				.setOperateRetryCount(3)//设置数据操作失败重试次数
-//				.setOperateRetryInterval(1000)//设置数据操作失败重试间隔时间
-//				.setServiceUUID("0000fff0-0000-1000-8000-00805f9b34fb")
-//				.setNotifyUUID("0000fff4-0000-1000-8000-00805f9b34fb")
-//				.setWriteUUID("0000fff3-0000-1000-8000-00805f9b34fb");
-
-
-//		//蓝牙相关配置修改
-//		ViseBle.config()
-//				.setScanTimeout(-1)//扫描超时时间，这里设置为永久扫描
-//				.setConnectTimeout(10 * 1000)//连接超时时间
-//				.setOperateTimeout(5 * 1000)//设置数据操作超时时间
-//				.setConnectRetryCount(3)//设置连接失败重试次数
-//				.setConnectRetryInterval(1000)//设置连接失败重试间隔时间
-//				.setOperateRetryCount(3)//设置数据操作失败重试次数
-//				.setOperateRetryInterval(1000)//设置数据操作失败重试间隔时间
-//				.setMaxConnectCount(3);//设置最大连接设备数量
-////蓝牙信息初始化，全局唯一，必须在应用初始化时调用
-//		ViseBle.getInstance().init(this);
-
-
-
-
+				.setSplitWriteNum(50000)
+				.setConnectOverTime(50000);
+
+		SpUtils spUtils = SpUtils.getSpUtils(this);
+		spUtils.putSPValue("close",1);
+		spUtils.putSPValue("open",10);
+		spUtils.putSPValue("alarm",1);
+		spUtils.putSPValue("green",1);
+		spUtils.putSPValue("brightness",50);
 	}
 
 	public static App getInstance() {

app/src/main/java/com/example/blu/toys/ble/receiver/VehiclePlay.java → app/src/main/java/com/example/blu/toys/ble/BlePlay.java

-package com.example.blu.toys.ble.receiver;
+package com.example.blu.toys.ble;
 
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothGatt;
+import android.bluetooth.BluetoothGattCharacteristic;
+import android.bluetooth.BluetoothGattService;
 
 import com.blankj.utilcode.util.LogUtils;
 import com.clj.fastble.BleManager;
@@ -12,68 +14,92 @@ import com.clj.fastble.data.BleDevice;
 import com.clj.fastble.exception.BleException;
 import com.clj.fastble.scan.BleScanRuleConfig;
 import com.example.blu.toys.app.App;
-import com.example.blu.toys.ble.Notify;
+import com.example.blu.toys.ble.agreement.HexStringUtils;
 import com.example.blu.toys.utils.SpUtils;
 
 import org.greenrobot.eventbus.EventBus;
 
 import java.util.List;
+import java.util.UUID;
 
 
 @SuppressWarnings("all")
-public class VehiclePlay {
+public class BlePlay {
 
 
-	String UUID_SERVICE = "00001812-0000-1000-8000-00805f9b34fb";
-	String UUID_WRITE = "0000180f-0000-1000-8000-00805f9b34fb";
+//	String UUID_SERVICE = "00001812-0000-1000-8000-00805f9b34fb";
+//	String UUID_WRITE = "0000180f-0000-1000-8000-00805f9b34fb";
+//
+//	String UUID_READ = "0000ae02-0000-1000-8000-00805f9b34fb";
+//
+//
+//	UUID[] serviceIds = {UUID.fromString("49535343-fe7d-4ae5-8fa9-9fafd205e455"),
+//			UUID.fromString("0000ffe0-0000-1000-8000-00805f9b34fb"),
+//			UUID.fromString("00001812-0000-1000-8000-00805f9b34fb")};
 
-	String UUID_NOTIFY = "0000ae02-0000-1000-8000-00805f9b34fb";
 
+	String UUID_SERVICE = "0000ffe0-0000-1000-8000-00805f9b34fb";
+	String UUID_WRITE = "0000ff4-0000-1000-8000-00805f9b34fb";
+	String UUID_READ = "0000ffe5-0000-1000-8000-00805f9b34fb";
 
-	private static VehiclePlay instance;
+
+	private static BlePlay instance;
 
 	private SpUtils mSpUtils;
 
 
-	public static VehiclePlay getInstance() {
+	public static BlePlay getInstance() {
 		if (instance == null) {
-			synchronized (VehiclePlay.class) {
+			synchronized (BlePlay.class) {
 				if (instance == null) {
-					instance = new VehiclePlay();
+					instance = new BlePlay();
 				}
 			}
 		}
 		return instance;
 	}
 
+	private BleDevice bleDevice;
+
 
-	private VehiclePlay() {
+	private BlePlay() {
 		mSpUtils = SpUtils.getSpUtils(App.getInstance());
 	}
 
 
-	public void scanBle() {
+	public BleDevice getBleDevice() {
+		return bleDevice;
+	}
+
+	public void setBleDevice(BleDevice bleDevice) {
+		this.bleDevice = bleDevice;
+	}
 
-		BleScanRuleConfig scanRuleConfig = new BleScanRuleConfig.Builder()
-				.setAutoConnect(false)
-				.setScanTimeOut(30000)
-				.build();
-		BleManager.getInstance().initScanRule(scanRuleConfig);
 
+	/**
+	 * 扫描设备 30000
+	 */
+	public void scanBle() {
+		BleScanRuleConfig scanRuleConfig = new BleScanRuleConfig.Builder().setAutoConnect(false)
+				//.setServiceUuids(serviceIds)
+				.setScanTimeOut(1000).build();
+		BleManager.getInstance().initScanRule(scanRuleConfig);
 		BleManager.getInstance().scan(new BleScanCallback() {
 			@Override
 			public void onScanStarted(boolean success) {
-				LogUtils.e("===========0000");
+				LogUtils.e("开始扫描");
 			}
 
 			@Override
 			public void onScanning(BleDevice bleDevice) {
+				LogUtils.e("获取设备");
 
 			}
 
 			@Override
 			public void onScanFinished(List<BleDevice> scanResultList) {
-				EventBus.getDefault().post(scanResultList);
+				LogUtils.e("扫描介素获取设备列表");
+				EventBus.getDefault().postSticky(scanResultList);
 			}
 		});
 	}
@@ -98,7 +124,6 @@ public class VehiclePlay {
 	 * @param bleDevice 设备
 	 */
 	public void connectedBleDevice(BleDevice bleDevice) {
-
 		BleManager.getInstance().connect(bleDevice, new BleGattCallback() {
 
 			//开始链接
@@ -116,7 +141,32 @@ public class VehiclePlay {
 			//链接成功
 			@Override
 			public void onConnectSuccess(BleDevice bleDevice, BluetoothGatt gatt, int status) {
+				setBleDevice(bleDevice);
+				List<BluetoothGattService> serviceList = gatt.getServices();
+
+				for (BluetoothGattService service : serviceList) {
+
+					UUID uuid_service = service.getUuid();
+
+					if (UUID_SERVICE.equals(uuid_service)){}
+
+
+					LogUtils.e("uuid_service----" + uuid_service);
+
+					List<BluetoothGattCharacteristic> characteristicList = service.getCharacteristics();
+					for (BluetoothGattCharacteristic characteristic : characteristicList) {
+						UUID uuid_chara = characteristic.getUuid();
+
+
+						int properties = characteristic.getProperties();
+
+						LogUtils.e("uuid_chara----" + uuid_service);
+					}
+
+
+				}
 
+				EventBus.getDefault().post(bleDevice);
 			}
 
 			//关闭链接
@@ -132,7 +182,7 @@ public class VehiclePlay {
 	/**
 	 * 暂停
 	 */
-	public void sendCance(BleDevice bleDevice, byte[] data) {
+	public void sendCance(byte[] data,BleWriteCallback callback) {
 		BleManager.getInstance().write(
 				bleDevice,
 				UUID_SERVICE,
@@ -141,12 +191,12 @@ public class VehiclePlay {
 				new BleWriteCallback() {
 					@Override
 					public void onWriteSuccess(int current, int total, byte[] justWrite) {
-
+						callback.onWriteSuccess(current,total,justWrite);
 					}
 
 					@Override
 					public void onWriteFailure(BleException exception) {
-
+						callback.onWriteFailure(exception);
 					}
 				});
 
@@ -156,24 +206,19 @@ public class VehiclePlay {
 	/**
 	 * 开始/继续
 	 */
-	public void sendStard(BleDevice bleDevice, byte[] data) {
-		BleManager.getInstance().write(
-				bleDevice,
-				UUID_SERVICE,
-				UUID_WRITE,
-				data,
-				new BleWriteCallback() {
-					@Override
-					public void onWriteSuccess(int current, int total, byte[] justWrite) {
-
-					}
-
-					@Override
-					public void onWriteFailure(BleException exception) {
+	public void sendStard(byte[] data,BleWriteCallback callback) {
+		BleManager.getInstance().write(bleDevice, UUID_SERVICE, UUID_WRITE, data, new BleWriteCallback() {
+			@Override
+			public void onWriteSuccess(int current, int total, byte[] justWrite) {
+				callback.onWriteSuccess(current,total,justWrite);
 
-					}
-				});
+			}
 
+			@Override
+			public void onWriteFailure(BleException exception) {
+				callback.onWriteFailure(exception);
+			}
+		});
 
 	}
 
@@ -181,7 +226,7 @@ public class VehiclePlay {
 	/**
 	 * 暂停
 	 */
-	public void sendPause(BleDevice bleDevice, byte[] data) {
+	public void sendPause(byte[] data,BleWriteCallback callback) {
 		BleManager.getInstance().write(
 				bleDevice,
 				UUID_SERVICE,
@@ -190,12 +235,12 @@ public class VehiclePlay {
 				new BleWriteCallback() {
 					@Override
 					public void onWriteSuccess(int current, int total, byte[] justWrite) {
-
+						callback.onWriteSuccess(current,total,justWrite);
 					}
 
 					@Override
 					public void onWriteFailure(BleException exception) {
-
+						callback.onWriteFailure(exception);
 					}
 				});
 
@@ -216,14 +261,14 @@ public class VehiclePlay {
 	 *
 	 * @rturn
 	 */
-	public boolean isConnected(BleDevice bleDevice) {
+	public boolean isConnected() {
 		return BleManager.getInstance().isConnected(bleDevice);
 	}
 
 	/**
 	 * 断开蓝牙链接
 	 */
-	public void closeBle(BleDevice bleDevice) {
+	public void closeBle() {
 		BleManager.getInstance().disconnect(bleDevice);
 	}
 

app/src/main/java/com/example/blu/toys/ble/agreement/TrafficLightBean.java

@@ -67,11 +67,11 @@ public class TrafficLightBean {
   * @param protocolNo 协议编号
   * @param suspendAndContinue 暂停或者继续
   * @param timeRemaining 剩余时间 毫秒
-  * @param brightness 亮度值 0-100
-  * @param openSoundNo  开机声音编号
-  * @param closeSoundNo 关机声音编号
-  * @param trafficLightUpdateSet 红绿灯变更方式
-  * @param alarm 报警状态
+  * @param brightness 亮度值 0-100 默认 50
+  * @param openSoundNo  开机声音编号 默认 1
+  * @param closeSoundNo 关机声音编号 默认 10
+  * @param trafficLightUpdateSet 红绿灯变更方式  默认 1
+  * @param alarm 报警状态 默认 0
   */
  public TrafficLightBean(Integer protocolNo,Integer suspendAndContinue,Integer timeRemaining,Integer brightness,Integer openSoundNo,Integer closeSoundNo,Integer trafficLightUpdateSet,Integer alarm){
 
@@ -107,7 +107,6 @@ public class TrafficLightBean {
  }
 
 
-
  public  byte[] toByte(){
   //数据要加密的
   byte[] resData=new byte[17];

app/src/main/java/com/example/blu/toys/utils/LocalDateUtils.java

+package com.example.blu.toys.utils;
+
+import java.text.DateFormat;
+import java.time.DayOfWeek;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+import java.time.temporal.ChronoUnit;
+import java.time.temporal.TemporalAccessor;
+import java.time.temporal.TemporalAdjusters;
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.List;
+
+public class LocalDateUtils {
+
+	/**
+	 * 显示年月日时分秒，例如 2015-08-11 09:51:53.
+	 */
+	public static final String DATETIME_PATTERN = "yyyy-MM-dd HH:mm:ss";
+
+	/**
+	 * 仅显示年月日，例如 2015-08-11.
+	 */
+	public static final String DATE_PATTERN = "yyyy-MM-dd";
+
+	/**
+	 * 仅显示时分秒，例如 09:51:53.
+	 */
+	public static final String TIME_PATTERN = "HH:mm:ss";
+
+	/**
+	 * 显示年月日时分秒(无符号)，例如 20150811095153.
+	 */
+	public static final String UNSIGNED_DATETIME_PATTERN = "yyyyMMddHHmmss";
+
+	/**
+	 * 仅显示年月日(无符号)，例如 20150811.
+	 */
+	public static final String UNSIGNED_DATE_PATTERN = "yyyyMMdd";
+
+	/**
+	 * 春天;
+	 */
+	public static final Integer SPRING = 1;
+
+	/**
+	 * 夏天;
+	 */
+	public static final Integer SUMMER = 2;
+
+	/**
+	 * 秋天;
+	 */
+	public static final Integer AUTUMN = 3;
+
+	/**
+	 * 冬天;
+	 */
+	public static final Integer WINTER = 4;
+
+	/**
+	 * 星期日;
+	 */
+	public static final String SUNDAY = "星期日";
+
+	/**
+	 * 星期一;
+	 */
+	public static final String MONDAY = "星期一";
+
+	/**
+	 * 星期二;
+	 */
+	public static final String TUESDAY = "星期二";
+
+	/**
+	 * 星期三;
+	 */
+	public static final String WEDNESDAY = "星期三";
+
+	/**
+	 * 星期四;
+	 */
+	public static final String THURSDAY = "星期四";
+
+	/**
+	 * 星期五;
+	 */
+	public static final String FRIDAY = "星期五";
+
+	/**
+	 * 星期六;
+	 */
+	public static final String SATURDAY = "星期六";
+
+	/**
+	 * 年
+	 */
+	private static final String YEAR = "year";
+
+	/**
+	 * 月
+	 */
+	private static final String MONTH = "month";
+
+	/**
+	 * 周
+	 */
+	private static final String WEEK = "week";
+
+	/**
+	 * 日
+	 */
+	private static final String DAY = "day";
+
+	/**
+	 * 时
+	 */
+	private static final String HOUR = "hour";
+
+	/**
+	 * 分
+	 */
+	private static final String MINUTE = "minute";
+
+	/**
+	 * 秒
+	 */
+	private static final String SECOND = "second";
+
+	/**
+	 * 获取当前日期和时间字符串.
+	 *
+	 * @return String 日期时间字符串，例如 2015-08-11 09:51:53
+	 */
+	public static String getLocalDateTimeStr() {
+		return format(LocalDateTime.now(), DATETIME_PATTERN);
+	}
+
+	/**
+	 * 获取当前日期字符串.
+	 *
+	 * @return String 日期字符串，例如2015-08-11
+	 */
+	public static String getLocalDateStr() {
+		return format(LocalDate.now(), DATE_PATTERN);
+	}
+
+	/**
+	 * 获取当前时间字符串.
+	 *
+	 * @return String 时间字符串，例如 09:51:53
+	 */
+	public static String getLocalTimeStr() {
+		return format(LocalTime.now(), TIME_PATTERN);
+	}
+
+	/**
+	 * 获取当前星期字符串.
+	 *
+	 * @return String 当前星期字符串，例如 星期二
+	 */
+	public static String getDayOfWeekStr() {
+		return format(LocalDate.now(), "E");
+	}
+
+	/**
+	 * 获取指定日期是星期几
+	 *
+	 * @param localDate 日期
+	 * @return String 星期几
+	 */
+	public static String getDayOfWeekStr(LocalDate localDate) {
+		String[] weekOfDays = {MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY};
+		int dayOfWeek = localDate.getDayOfWeek().getValue() - 1;
+		return weekOfDays[dayOfWeek];
+	}
+
+	/**
+	 * 获取日期时间字符串
+	 *
+	 * @param temporal 需要转化的日期时间
+	 * @param pattern  时间格式
+	 * @return String 日期时间字符串，例如 2015-08-11 09:51:53
+	 */
+	public static String format(TemporalAccessor temporal, String pattern) {
+		DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(pattern);
+		return dateTimeFormatter.format(temporal);
+	}
+
+	/**
+	 * 日期时间字符串转换为日期时间(java.time.LocalDateTime)
+	 *
+	 * @param localDateTimeStr 日期时间字符串
+	 * @param pattern          日期时间格式 例如DATETIME_PATTERN
+	 * @return LocalDateTime 日期时间
+	 */
+	public static LocalDateTime parseLocalDateTime(String localDateTimeStr, String pattern) {
+		DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(pattern);
+		return LocalDateTime.parse(localDateTimeStr, dateTimeFormatter);
+	}
+
+	/**
+	 * 日期字符串转换为日期(java.time.LocalDate)
+	 *
+	 * @param localDateStr 日期字符串
+	 * @param pattern      日期格式 例如DATE_PATTERN
+	 * @return LocalDate 日期
+	 */
+	public static LocalDate parseLocalDate(String localDateStr, String pattern) {
+		DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(pattern);
+		return LocalDate.parse(localDateStr, dateTimeFormatter);
+	}
+
+	/**
+	 * 获取指定日期时间加上指定数量日期时间单位之后的日期时间.
+	 *
+	 * @param localDateTime 日期时间
+	 * @param num           数量
+	 * @param chronoUnit    日期时间单位
+	 * @return LocalDateTime 新的日期时间
+	 */
+	public static LocalDateTime plus(LocalDateTime localDateTime, int num, ChronoUnit chronoUnit) {
+		return localDateTime.plus(num, chronoUnit);
+	}
+
+	/**
+	 * 获取指定日期时间减去指定数量日期时间单位之后的日期时间.
+	 *
+	 * @param localDateTime 日期时间
+	 * @param num           数量
+	 * @param chronoUnit    日期时间单位
+	 * @return LocalDateTime 新的日期时间
+	 */
+	public static LocalDateTime minus(LocalDateTime localDateTime, int num, ChronoUnit chronoUnit) {
+		return localDateTime.minus(num, chronoUnit);
+	}
+
+	/**
+	 * 根据ChronoUnit计算两个日期时间之间相隔日期时间
+	 *
+	 * @param start      开始日期时间
+	 * @param end        结束日期时间
+	 * @param chronoUnit 日期时间单位
+	 * @return long 相隔日期时间
+	 */
+	public static long getChronoUnitBetween(LocalDateTime start, LocalDateTime end, ChronoUnit chronoUnit) {
+		return Math.abs(start.until(end, chronoUnit));
+	}
+
+	/**
+	 * 根据ChronoUnit计算两个日期之间相隔年数或月数或天数
+	 *
+	 * @param start      开始日期
+	 * @param end        结束日期
+	 * @param chronoUnit 日期时间单位,(ChronoUnit.YEARS,ChronoUnit.MONTHS,ChronoUnit.WEEKS,ChronoUnit.DAYS)
+	 * @return long 相隔年数或月数或天数
+	 */
+	public static long getChronoUnitBetween(LocalDate start, LocalDate end, ChronoUnit chronoUnit) {
+		return Math.abs(start.until(end, chronoUnit));
+	}
+
+	/**
+	 * 获取本年第一天的日期字符串
+	 *
+	 * @return String 格式：yyyy-MM-dd 00:00:00
+	 */
+	public static String getFirstDayOfYearStr() {
+		return getFirstDayOfYearStr(LocalDateTime.now());
+	}
+
+	/**
+	 * 获取本年最后一天的日期字符串
+	 *
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getLastDayOfYearStr() {
+		return getLastDayOfYearStr(LocalDateTime.now());
+	}
+
+	/**
+	 * 获取指定日期当年第一天的日期字符串
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @return String 格式：yyyy-MM-dd 00:00:00
+	 */
+	public static String getFirstDayOfYearStr(LocalDateTime localDateTime) {
+		return getFirstDayOfYearStr(localDateTime, DATETIME_PATTERN);
+	}
+
+	/**
+	 * 获取指定日期当年最后一天的日期字符串
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getLastDayOfYearStr(LocalDateTime localDateTime) {
+		return getLastDayOfYearStr(localDateTime, DATETIME_PATTERN);
+	}
+
+	/**
+	 * 获取指定日期当年第一天的日期字符串,带日期格式化参数
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @param pattern       日期时间格式
+	 * @return String 格式：yyyy-MM-dd 00:00:00
+	 */
+	public static String getFirstDayOfYearStr(LocalDateTime localDateTime, String pattern) {
+		return format(localDateTime.withDayOfYear(1).withHour(0).withMinute(0).withSecond(0), pattern);
+	}
+
+	/**
+	 * 获取指定日期当年最后一天的日期字符串,带日期格式化参数
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @param pattern       日期时间格式
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getLastDayOfYearStr(LocalDateTime localDateTime, String pattern) {
+		return format(localDateTime.with(TemporalAdjusters.lastDayOfYear()).withHour(23).withMinute(59).withSecond(59), pattern);
+	}
+
+	/**
+	 * 获取本月第一天的日期字符串
+	 *
+	 * @return String 格式：yyyy-MM-dd 00:00:00
+	 */
+	public static String getFirstDayOfMonthStr() {
+		return getFirstDayOfMonthStr(LocalDateTime.now());
+	}
+
+	/**
+	 * 获取本月最后一天的日期字符串
+	 *
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getLastDayOfMonthStr() {
+		return getLastDayOfMonthStr(LocalDateTime.now());
+	}
+
+	/**
+	 * 获取指定日期当月第一天的日期字符串
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getFirstDayOfMonthStr(LocalDateTime localDateTime) {
+		return getFirstDayOfMonthStr(localDateTime, DATETIME_PATTERN);
+	}
+
+	/**
+	 * 获取指定日期当月最后一天的日期字符串
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getLastDayOfMonthStr(LocalDateTime localDateTime) {
+		return getLastDayOfMonthStr(localDateTime, DATETIME_PATTERN);
+	}
+
+	/**
+	 * 获取指定日期当月第一天的日期字符串,带日期格式化参数
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @return String 格式：yyyy-MM-dd 00:00:00
+	 */
+	public static String getFirstDayOfMonthStr(LocalDateTime localDateTime, String pattern) {
+		return format(localDateTime.withDayOfMonth(1).withHour(0).withMinute(0).withSecond(0), pattern);
+	}
+
+	/**
+	 * 获取指定日期当月最后一天的日期字符串,带日期格式化参数
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @param pattern       日期时间格式
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getLastDayOfMonthStr(LocalDateTime localDateTime, String pattern) {
+		return format(localDateTime.with(TemporalAdjusters.lastDayOfMonth()).withHour(23).withMinute(59).withSecond(59), pattern);
+	}
+
+	/**
+	 * 获取本周第一天的日期字符串
+	 *
+	 * @return String 格式：yyyy-MM-dd 00:00:00
+	 */
+	public static String getFirstDayOfWeekStr() {
+		return getFirstDayOfWeekStr(LocalDateTime.now());
+	}
+
+	/**
+	 * 获取本周最后一天的日期字符串
+	 *
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getLastDayOfWeekStr() {
+		return getLastDayOfWeekStr(LocalDateTime.now());
+	}
+
+	/**
+	 * 获取指定日期当周第一天的日期字符串,这里第一天为周一
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @return String 格式：yyyy-MM-dd 00:00:00
+	 */
+	public static String getFirstDayOfWeekStr(LocalDateTime localDateTime) {
+		return getFirstDayOfWeekStr(localDateTime, DATETIME_PATTERN);
+	}
+
+	/**
+	 * 获取指定日期当周最后一天的日期字符串,这里最后一天为周日
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getLastDayOfWeekStr(LocalDateTime localDateTime) {
+		return getLastDayOfWeekStr(localDateTime, DATETIME_PATTERN);
+	}
+
+	/**
+	 * 获取指定日期当周第一天的日期字符串,这里第一天为周一,带日期格式化参数
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @param pattern       日期时间格式
+	 * @return String 格式：yyyy-MM-dd 00:00:00
+	 */
+	public static String getFirstDayOfWeekStr(LocalDateTime localDateTime, String pattern) {
+		return format(localDateTime.with(DayOfWeek.MONDAY).withHour(0).withMinute(0).withSecond(0), pattern);
+	}
+
+	/**
+	 * 获取指定日期当周最后一天的日期字符串,这里最后一天为周日,带日期格式化参数
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @param pattern       日期时间格式
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getLastDayOfWeekStr(LocalDateTime localDateTime, String pattern) {
+		return format(localDateTime.with(DayOfWeek.SUNDAY).withHour(23).withMinute(59).withSecond(59), pattern);
+	}
+
+	/**
+	 * 获取今天开始时间的日期字符串
+	 *
+	 * @return String 格式：yyyy-MM-dd 00:00:00
+	 */
+	public static String getStartTimeOfDayStr() {
+		return getStartTimeOfDayStr(LocalDateTime.now());
+	}
+
+	/**
+	 * 获取今天结束时间的日期字符串
+	 *
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getEndTimeOfDayStr() {
+		return getEndTimeOfDayStr(LocalDateTime.now());
+	}
+
+	/**
+	 * 获取指定日期开始时间的日期字符串
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @return String 格式：yyyy-MM-dd 00:00:00
+	 */
+	public static String getStartTimeOfDayStr(LocalDateTime localDateTime) {
+		return getStartTimeOfDayStr(localDateTime, DATETIME_PATTERN);
+	}
+
+	/**
+	 * 获取指定日期结束时间的日期字符串
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getEndTimeOfDayStr(LocalDateTime localDateTime) {
+		return getEndTimeOfDayStr(localDateTime, DATETIME_PATTERN);
+	}
+
+	/**
+	 * 获取指定日期开始时间的日期字符串,带日期格式化参数
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @param pattern       日期时间格式
+	 * @return String 格式：yyyy-MM-dd HH:mm:ss
+	 */
+	public static String getStartTimeOfDayStr(LocalDateTime localDateTime, String pattern) {
+		return format(localDateTime.withHour(0).withMinute(0).withSecond(0), pattern);
+	}
+
+	/**
+	 * 获取指定日期结束时间的日期字符串,带日期格式化参数
+	 *
+	 * @param localDateTime 指定日期时间
+	 * @param pattern       日期时间格式
+	 * @return String 格式：yyyy-MM-dd 23:59:59
+	 */
+	public static String getEndTimeOfDayStr(LocalDateTime localDateTime, String pattern) {
+		return format(localDateTime.withHour(23).withMinute(59).withSecond(59), pattern);
+	}
+
+	/**
+	 * 切割日期。按照周期切割成小段日期段。例如： <br>
+	 *
+	 * @param startDate 开始日期（yyyy-MM-dd）
+	 * @param endDate   结束日期（yyyy-MM-dd）
+	 * @param period    周期（天，周，月，年）
+	 * @return 切割之后的日期集合
+	 * <li>startDate="2019-02-28",endDate="2019-03-05",period="day"</li>
+	 * <li>结果为：[2019-02-28, 2019-03-01, 2019-03-02, 2019-03-03, 2019-03-04, 2019-03-05]</li><br>
+	 * <li>startDate="2019-02-28",endDate="2019-03-25",period="week"</li>
+	 * <li>结果为：[2019-02-28,2019-03-06, 2019-03-07,2019-03-13, 2019-03-14,2019-03-20,
+	 * 2019-03-21,2019-03-25]</li><br>
+	 * <li>startDate="2019-02-28",endDate="2019-05-25",period="month"</li>
+	 * <li>结果为：[2019-02-28,2019-02-28, 2019-03-01,2019-03-31, 2019-04-01,2019-04-30,
+	 * 2019-05-01,2019-05-25]</li><br>
+	 * <li>startDate="2019-02-28",endDate="2020-05-25",period="year"</li>
+	 * <li>结果为：[2019-02-28,2019-12-31, 2020-01-01,2020-05-25]</li><br>
+	 */
+	public static List<String> listDateStrs(String startDate, String endDate, String period) {
+		List<String> result = new ArrayList<>();
+		DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(DATE_PATTERN);
+		LocalDate end = LocalDate.parse(endDate, dateTimeFormatter);
+		LocalDate start = LocalDate.parse(startDate, dateTimeFormatter);
+		LocalDate tmp = start;
+		switch (period) {
+			case DAY:
+				while (start.isBefore(end) || start.isEqual(end)) {
+					result.add(start.toString());
+					start = start.plusDays(1);
+				}
+				break;
+			case WEEK:
+				while (tmp.isBefore(end) || tmp.isEqual(end)) {
+					if (tmp.plusDays(6).isAfter(end)) {
+						result.add(tmp.toString() + "," + end);
+					} else {
+						result.add(tmp.toString() + "," + tmp.plusDays(6));
+					}
+					tmp = tmp.plusDays(7);
+				}
+				break;
+			case MONTH:
+				while (tmp.isBefore(end) || tmp.isEqual(end)) {
+					LocalDate lastDayOfMonth = tmp.with(TemporalAdjusters.lastDayOfMonth());
+					if (lastDayOfMonth.isAfter(end)) {
+						result.add(tmp.toString() + "," + end);
+					} else {
+						result.add(tmp.toString() + "," + lastDayOfMonth);
+					}
+					tmp = lastDayOfMonth.plusDays(1);
+				}
+				break;
+			case YEAR:
+				while (tmp.isBefore(end) || tmp.isEqual(end)) {
+					LocalDate lastDayOfYear = tmp.with(TemporalAdjusters.lastDayOfYear());
+					if (lastDayOfYear.isAfter(end)) {
+						result.add(tmp.toString() + "," + end);
+					} else {
+						result.add(tmp.toString() + "," + lastDayOfYear);
+					}
+					tmp = lastDayOfYear.plusDays(1);
+				}
+				break;
+			default:
+				break;
+		}
+		return result;
+	}
+
+
+	/**
+	 * 获取时间的小时
+	 *
+	 * @param date
+	 * @return
+	 */
+	public static Integer getHour(Date date) {
+		if (date == null) {
+			return null;
+		}
+		return getCalendar(date).get(Calendar.HOUR_OF_DAY);
+	}
+
+	/**
+	 * 获取时间的分钟
+	 *
+	 * @param date
+	 * @return
+	 */
+	public static Integer getMinute(Date date) {
+		if (date == null) {
+			return null;
+		}
+		return getCalendar(date).get(Calendar.MINUTE);
+	}
+
+
+	/**
+	 * 获取时间的秒
+	 *
+	 * @param date
+	 * @return
+	 */
+	public static Integer getSecond(Date date) {
+		if (date == null) {
+			return null;
+		}
+		return getCalendar(date).get(Calendar.SECOND);
+	}
+
+
+	public static Calendar getCalendar(Date date) {
+		if (date == null) {
+			return null;
+		}
+		DateFormat df = DateFormat.getDateInstance();
+		df.format(date);
+		return df.getCalendar();
+	}
+
+
+
+
+
+	public static void main(String[] args) {
+		System.out.println(getLocalDateTimeStr());
+		System.out.println(getLocalDateStr());
+		System.out.println(getLocalTimeStr());
+		System.out.println(getDayOfWeekStr());
+		System.out.println(getDayOfWeekStr(LocalDate.now()));
+
+		System.out.println("========");
+		System.out.println(format(LocalDate.now(), UNSIGNED_DATE_PATTERN));
+
+		System.out.println("========");
+		System.out.println(parseLocalDateTime("2020-12-13 11:14:12", DATETIME_PATTERN));
+		System.out.println(parseLocalDate("2020-12-13", DATE_PATTERN));
+
+		System.out.println("========");
+		System.out.println(plus(LocalDateTime.now(), 3, ChronoUnit.HOURS));
+		System.out.println(minus(LocalDateTime.now(), 4, ChronoUnit.DAYS));
+
+		System.out.println("========");
+		System.out.println(getChronoUnitBetween(LocalDateTime.now(), parseLocalDateTime("2020-12-12 12:03:12", DATETIME_PATTERN), ChronoUnit.MINUTES));
+		System.out.println(getChronoUnitBetween(LocalDate.now(), parseLocalDate("2021-12-12", DATE_PATTERN), ChronoUnit.WEEKS));
+
+		System.out.println("========");
+		System.out.println(getFirstDayOfYearStr());
+		System.out.println(getFirstDayOfYearStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN)));
+		System.out.println(getFirstDayOfYearStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN), UNSIGNED_DATETIME_PATTERN));
+
+		System.out.println(getLastDayOfYearStr());
+		System.out.println(getLastDayOfYearStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN)));
+		System.out.println(getLastDayOfYearStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN), UNSIGNED_DATETIME_PATTERN));
+
+		System.out.println("========");
+		System.out.println(getFirstDayOfMonthStr());
+		System.out.println(getFirstDayOfMonthStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN)));
+		System.out.println(getFirstDayOfMonthStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN), UNSIGNED_DATETIME_PATTERN));
+
+		System.out.println(getLastDayOfMonthStr());
+		System.out.println(getLastDayOfMonthStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN)));
+		System.out.println(getLastDayOfMonthStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN), UNSIGNED_DATETIME_PATTERN));
+
+		System.out.println("========");
+		System.out.println(getFirstDayOfWeekStr());
+		System.out.println(getFirstDayOfWeekStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN)));
+		System.out.println(getFirstDayOfWeekStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN), UNSIGNED_DATETIME_PATTERN));
+
+		System.out.println(getLastDayOfWeekStr());
+		System.out.println(getLastDayOfWeekStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN)));
+		System.out.println(getLastDayOfWeekStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN), UNSIGNED_DATETIME_PATTERN));
+
+		System.out.println("========");
+		System.out.println(getStartTimeOfDayStr());
+		System.out.println(getStartTimeOfDayStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN)));
+		System.out.println(getStartTimeOfDayStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN), UNSIGNED_DATETIME_PATTERN));
+
+		System.out.println(getEndTimeOfDayStr());
+		System.out.println(getEndTimeOfDayStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN)));
+		System.out.println(getEndTimeOfDayStr(parseLocalDateTime("2021-12-12 12:03:12", DATETIME_PATTERN), UNSIGNED_DATETIME_PATTERN));
+
+		System.out.println("========");
+		List<String> dateStrs = listDateStrs("2019-01-30", "2020-12-13", YEAR);
+		for (String dateStr : dateStrs) {
+			System.out.println(dateStr);
+		}
+
+		System.out.println("========");
+		List<String> dateStrs1 = listDateStrs("2019-01-30", "2020-12-13", MONTH);
+		for (String dateStr : dateStrs1) {
+			System.out.println(dateStr);
+		}
+
+		System.out.println("========");
+		List<String> dateStrs2 = listDateStrs("2020-12-01", "2020-12-13", DAY);
+		for (String dateStr : dateStrs2) {
+			System.out.println(dateStr);
+		}
+
+		Date date = new Date();
+
+		System.out.println(getHour(date) + "h" + getMinute(date) + "m" + getSecond(date) + "s");
+
+
+		Calendar calendar = Calendar.getInstance();
+		calendar.setTime(new Date());					//放入Date类型数据
+		calendar.get(Calendar.HOUR);					//时（12小时制）
+		calendar.get(Calendar.MINUTE);					//分
+		calendar.get(Calendar.SECOND);
+
+		System.out.println(calendar.get(Calendar.HOUR) + "h" + calendar.get(Calendar.MINUTE) + "m" + calendar.get(Calendar.SECOND) + "s");
+
+
+	}
+
+}
\ No newline at end of file

app/src/main/java/com/example/blu/toys/view/PointWaitBar.java

+package com.example.blu.toys.view;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
+import android.os.Handler;
+import android.os.Message;
+import android.util.AttributeSet;
+import android.view.Gravity;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+
+import com.example.blu.toys.R;
+
+import java.lang.ref.WeakReference;
+
+public class PointWaitBar extends LinearLayout {
+	private static final int NUM = 3;
+	private Context context;
+	private String TAG = "PointWaitBar";
+	private ImageView mOldIM;
+	private UpdateHandler handler;
+
+	public PointWaitBar(Context context, AttributeSet attrs, int defStyle) {
+		super(context, attrs, defStyle);
+		this.context = context;
+		init();
+	}
+
+	public PointWaitBar(Context context, AttributeSet attrs) {
+		super(context, attrs);
+		this.context = context;
+		init();
+	}
+
+	public PointWaitBar(Context context) {
+		super(context);
+		this.context = context;
+		init();
+	}
+
+	private void init() {
+		//初始化数据
+		this.setOrientation(LinearLayout.HORIZONTAL);
+		this.setGravity(Gravity.CENTER);
+		handler = new UpdateHandler(context);
+
+
+		Bitmap bitmap = null;
+		if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP) {
+			Drawable vectorDrawable = context.getDrawable(R.drawable.point_waitingbar_black);
+			bitmap = Bitmap.createBitmap(vectorDrawable.getIntrinsicWidth(),
+					vectorDrawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
+			Canvas canvas = new Canvas(bitmap);
+			vectorDrawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
+			vectorDrawable.draw(canvas);
+		} else {
+			bitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.point_waitingbar_black);
+		}
+
+
+		LinearLayout.LayoutParams tLayoutParams = new LinearLayout.LayoutParams(bitmap.getWidth(), bitmap.getHeight());
+		tLayoutParams.leftMargin = 10;
+		tLayoutParams.rightMargin = 10;
+		//添加5个小点省略号
+		for (int i = 0; i < NUM; i++) {
+			ImageView vDot = new ImageView(context);
+			vDot.setLayoutParams(tLayoutParams);
+			if (i == 0) {
+				vDot.setBackgroundResource(R.drawable.point_waitingbar_white);
+			} else {
+				vDot.setBackgroundResource(R.drawable.point_waitingbar_black);
+			}
+			this.addView(vDot);
+		}
+		mOldIM = (ImageView) this.getChildAt(0);
+		handler.sendEmptyMessage(0);
+	}
+
+	//提供给外部消除message
+	public void setDestroyCallBack() {
+		if (handler != null) {
+			handler.removeCallbacksAndMessages(null);
+//            LogUtil.i(TAG, "已经清除消息");
+		}
+	}
+
+	class UpdateHandler extends Handler {
+		WeakReference<Context> reference;
+
+		public UpdateHandler(Context context) {
+			reference = new WeakReference<Context>(context);
+		}
+
+		@Override
+		public void handleMessage(Message msg) {
+			// TODO Auto-generated method stub
+			super.handleMessage(msg);
+			int cPosition = msg.what;
+			if (mOldIM != null)
+				mOldIM.setBackgroundResource(R.drawable.point_waitingbar_black);
+			ImageView currentIM = (ImageView) PointWaitBar.this.getChildAt(cPosition);
+			currentIM.setBackgroundResource(R.drawable.point_waitingbar_white);
+			mOldIM = currentIM;
+			if (++cPosition == NUM)
+				cPosition = 0;
+			this.sendEmptyMessageDelayed(cPosition, 200);
+		}
+	}
+}
\ No newline at end of file

app/src/main/java/com/example/blu/toys/view/WheelView.java

+package com.example.blu.toys.view;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.res.AssetManager;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.ColorFilter;
+import android.graphics.Paint;
+import android.graphics.Typeface;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.util.TypedValue;
+import android.view.Gravity;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.ScrollView;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class WheelView extends ScrollView {
+	public static final String TAG = WheelView.class.getSimpleName();
+
+	public static class OnWheelViewListener {
+		public void onSelected(int selectedIndex, String item) {
+		}
+	}
+
+
+	private Context context;
+
+	private LinearLayout views;
+
+	public WheelView(Context context) {
+		super(context);
+		init(context);
+	}
+
+	public WheelView(Context context, AttributeSet attrs) {
+		super(context, attrs);
+		init(context);
+	}
+
+	public WheelView(Context context, AttributeSet attrs, int defStyle) {
+		super(context, attrs, defStyle);
+		init(context);
+	}
+
+	List<String> items;
+
+	private List<String> getItems() {
+		return items;
+	}
+
+	public void setItems(List<String> list) {
+		if (null == items) {
+			items = new ArrayList<String>();
+		}
+		items.clear();
+		items.addAll(list);
+
+		// 前面和后面补全
+		for (int i = 0; i < offset; i++) {
+			items.add(0, "");
+			items.add("");
+		}
+
+		initData();
+
+	}
+
+
+	public static final int OFF_SET_DEFAULT = 1;
+	int offset = OFF_SET_DEFAULT; // 偏移量（需要在最前面和最后面补全）
+
+	public int getOffset() {
+		return offset;
+	}
+
+	public void setOffset(int offset) {
+		this.offset = offset;
+	}
+
+	int displayItemCount; // 每页显示的数量
+
+	int selectedIndex = 1;
+
+
+	private void init(Context context) {
+		this.context = context;
+
+		this.setVerticalScrollBarEnabled(false);
+
+		views = new LinearLayout(context);
+		views.setOrientation(LinearLayout.VERTICAL);
+		this.addView(views);
+
+		scrollerTask = () -> {
+
+			int newY = getScrollY();
+			if (initialY - newY == 0) {
+				// stopped
+				final int remainder = initialY % itemHeight;
+				final int divided = initialY / itemHeight;
+				if (remainder == 0) {
+					selectedIndex = divided + offset;
+					onSeletedCallBack();
+				} else {
+					if (remainder > itemHeight / 2) {
+						WheelView.this.post(() -> {
+							WheelView.this.smoothScrollTo(0, initialY - remainder + itemHeight);
+							selectedIndex = divided + offset + 1;
+							onSeletedCallBack();
+						});
+					} else {
+						WheelView.this.post(() -> {
+							WheelView.this.smoothScrollTo(0, initialY - remainder);
+							selectedIndex = divided + offset;
+							onSeletedCallBack();
+						});
+					}
+
+
+				}
+
+
+			} else {
+				initialY = getScrollY();
+				WheelView.this.postDelayed(scrollerTask, newCheck);
+			}
+		};
+
+
+	}
+
+	int initialY;
+
+	Runnable scrollerTask;
+	int newCheck = 50;
+
+	public void startScrollerTask() {
+
+		initialY = getScrollY();
+		this.postDelayed(scrollerTask, newCheck);
+	}
+
+	private void initData() {
+		displayItemCount = offset * 2 + 1;
+
+		for (String item : items) {
+			views.addView(createView(item));
+		}
+
+		refreshItemView(0);
+	}
+
+	int itemHeight = 0;
+
+	private TextView createView(String item) {
+		TextView tv = new TextView(context);
+		tv.setLayoutParams(new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
+		tv.setSingleLine(true);
+		tv.setTextSize(TypedValue.COMPLEX_UNIT_SP, 24);
+		tv.setText(item);
+		tv.setGravity(Gravity.CENTER);
+		AssetManager mgr = this.getContext().getAssets();
+		//根据路径得到Typeface
+		Typeface tf = Typeface.createFromAsset(mgr, "fonts/LittleOrion.otf");
+		tv.setTypeface(tf);
+		int padding = dip2px(15);
+		tv.setPadding(padding, 0, padding, 0);
+		if (0 == itemHeight) {
+			itemHeight = getViewMeasuredHeight(tv);
+			Log.d(TAG, "itemHeight: " + itemHeight);
+			views.setLayoutParams(new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, itemHeight * displayItemCount));
+			LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) this.getLayoutParams();
+			this.setLayoutParams(new LinearLayout.LayoutParams(lp.width, itemHeight * displayItemCount));
+		}
+		return tv;
+	}
+
+
+	@Override
+	protected void onScrollChanged(int l, int t, int oldl, int oldt) {
+		super.onScrollChanged(l, t, oldl, oldt);
+
+		refreshItemView(t);
+
+		if (t > oldt) {
+//            Log.d(TAG, "向下滚动");
+			scrollDirection = SCROLL_DIRECTION_DOWN;
+		} else {
+//            Log.d(TAG, "向上滚动");
+			scrollDirection = SCROLL_DIRECTION_UP;
+
+		}
+
+	}
+
+	private void refreshItemView(int y) {
+		int position = y / itemHeight + offset;
+		int remainder = y % itemHeight;
+		int divided = y / itemHeight;
+
+		if (remainder == 0) {
+			position = divided + offset;
+		} else {
+			if (remainder > itemHeight / 2) {
+				position = divided + offset + 1;
+			}
+		}
+
+		int childSize = views.getChildCount();
+		for (int i = 0; i < childSize; i++) {
+			TextView itemView = (TextView) views.getChildAt(i);
+			if (null == itemView) {
+				return;
+			}
+			if (position == i) {
+				itemView.setTextColor(Color.parseColor("#eeeeee"));
+			} else {
+				itemView.setTextColor(Color.parseColor("#bbbbbb"));
+			}
+		}
+	}
+
+	/**
+	 * 获取选中区域的边界
+	 */
+	int[] selectedAreaBorder;
+
+	private int[] obtainSelectedAreaBorder() {
+		if (null == selectedAreaBorder) {
+			selectedAreaBorder = new int[2];
+			selectedAreaBorder[0] = itemHeight * offset;
+			selectedAreaBorder[1] = itemHeight * (offset + 1);
+		}
+		return selectedAreaBorder;
+	}
+
+
+	private int scrollDirection = -1;
+	private static final int SCROLL_DIRECTION_UP = 0;
+	private static final int SCROLL_DIRECTION_DOWN = 1;
+
+	Paint paint;
+	int viewWidth;
+
+	@Override
+	public void setBackgroundDrawable(Drawable background) {
+
+		if (viewWidth == 0) {
+			viewWidth = ((Activity) context).getWindowManager().getDefaultDisplay().getWidth();
+			Log.d(TAG, "viewWidth: " + viewWidth);
+		}
+
+		if (null == paint) {
+			paint = new Paint();
+			paint.setColor(Color.parseColor("#ff000000"));
+			paint.setStrokeWidth(dip2px(1f));
+		}
+
+		background = new Drawable() {
+			@Override
+			public void draw(Canvas canvas) {
+				canvas.drawLine(viewWidth * 1 / 6, obtainSelectedAreaBorder()[0], viewWidth * 5 / 6, obtainSelectedAreaBorder()[0], paint);
+				canvas.drawLine(viewWidth * 1 / 6, obtainSelectedAreaBorder()[1], viewWidth * 5 / 6, obtainSelectedAreaBorder()[1], paint);
+			}
+
+			@Override
+			public void setAlpha(int alpha) {
+
+			}
+
+			@Override
+			public void setColorFilter(ColorFilter cf) {
+
+			}
+
+			@Override
+			public int getOpacity() {
+				return 0;
+			}
+		};
+
+
+		super.setBackgroundDrawable(background);
+
+	}
+
+	@Override
+	protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+		super.onSizeChanged(w, h, oldw, oldh);
+		Log.d(TAG, "w: " + w + ", h: " + h + ", oldw: " + oldw + ", oldh: " + oldh);
+		viewWidth = w;
+		setBackgroundDrawable(null);
+	}
+
+	/**
+	 * 选中回调
+	 */
+	private void onSeletedCallBack() {
+		if (null != onWheelViewListener) {
+			onWheelViewListener.onSelected(selectedIndex, items.get(selectedIndex));
+		}
+
+	}
+
+	public void setSeletion(int position) {
+		final int p = position;
+		selectedIndex = p + offset;
+		this.post(new Runnable() {
+			@Override
+			public void run() {
+				WheelView.this.smoothScrollTo(0, p * itemHeight);
+			}
+		});
+
+	}
+
+	public String getSeletedItem() {
+		return items.get(selectedIndex);
+	}
+
+	public int getSeletedIndex() {
+		return selectedIndex - offset;
+	}
+
+
+	@Override
+	public void fling(int velocityY) {
+		super.fling(velocityY / 3);
+	}
+
+	@Override
+	public boolean onTouchEvent(MotionEvent ev) {
+		if (ev.getAction() == MotionEvent.ACTION_UP) {
+
+			startScrollerTask();
+		}
+		return super.onTouchEvent(ev);
+	}
+
+	private OnWheelViewListener onWheelViewListener;
+
+	public OnWheelViewListener getOnWheelViewListener() {
+		return onWheelViewListener;
+	}
+
+	public void setOnWheelViewListener(OnWheelViewListener onWheelViewListener) {
+		this.onWheelViewListener = onWheelViewListener;
+	}
+
+	private int dip2px(float dpValue) {
+		final float scale = context.getResources().getDisplayMetrics().density;
+		return (int) (dpValue * scale + 0.5f);
+	}
+
+	private int getViewMeasuredHeight(View view) {
+		int width = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
+		int expandSpec = View.MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, View.MeasureSpec.AT_MOST);
+		view.measure(width, expandSpec);
+		return view.getMeasuredHeight();
+	}
+
+}
\ No newline at end of file

app/src/main/java/com/example/blu/toys/view/WrapContentGridLayoutManager.java

+package com.example.blu.toys.view;
+
+import android.content.Context;
+import android.util.AttributeSet;
+
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+public class WrapContentGridLayoutManager extends LinearLayoutManager {
+
+
+	public WrapContentGridLayoutManager(Context context) {
+		super(context);
+	}
+
+	public WrapContentGridLayoutManager(Context context, int orientation, boolean reverseLayout) {
+		super(context, orientation, reverseLayout);
+	}
+
+	public WrapContentGridLayoutManager(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+		super(context, attrs, defStyleAttr, defStyleRes);
+	}
+
+	@Override
+	public void onLayoutChildren(RecyclerView.Recycler recycler, RecyclerView.State state) {
+		try {
+			super.onLayoutChildren(recycler, state);
+		} catch (IndexOutOfBoundsException e) {
+			//手动catch住
+			e.printStackTrace();
+		}
+	}
+}
\ No newline at end of file

app/src/main/res/drawable/point_waitingbar_black.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+	android:shape="oval">
+
+
+	<solid android:color="@color/black" />
+	<corners android:radius="150dp" />
+
+	<size
+		android:width="@dimen/dp_5"
+		android:height="@dimen/dp_5" />
+
+</shape>

app/src/main/res/drawable/point_waitingbar_white.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+	android:shape="oval">
+
+
+	<solid android:color="@color/white" />
+	<corners android:radius="150dp" />
+
+	<size
+		android:width="@dimen/dp_5"
+		android:height="@dimen/dp_5" />
+
+</shape>

app/src/main/res/layout/activity_music.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:background="#FFCA05"
+	android:orientation="vertical"
+	tools:context=".activity.MusicActivity">
+
+
+	<com.example.blu.toys.view.TypefaceTextView
+		android:id="@+id/open_music"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_below="@+id/back_but"
+		android:layout_centerHorizontal="true"
+		android:layout_gravity="center_horizontal"
+		android:layout_marginTop="@dimen/dp_14"
+		android:gravity="center"
+		android:text="开机音乐"
+		android:textColor="@color/backer_back"
+		android:textSize="@dimen/sp_24"
+		android:textStyle="bold"
+		app:typeface="@string/LittleOrion" />
+
+	<com.example.blu.toys.view.TypefaceTextView
+		android:id="@+id/close_music"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_below="@+id/back_but"
+		android:layout_centerHorizontal="true"
+		android:layout_gravity="center_horizontal"
+		android:layout_marginTop="@dimen/dp_14"
+		android:gravity="center"
+		android:text="关机音乐"
+		android:textColor="@color/backer_back"
+		android:textSize="@dimen/sp_24"
+		android:textStyle="bold"
+		app:typeface="@string/LittleOrion" />
+
+</LinearLayout>
\ No newline at end of file

app/src/main/res/layout/activity_play.xml

@@ -18,6 +18,7 @@
 		android:gravity="center"
 		android:padding="@dimen/dp_5"
 		android:text="Back"
+		app:typeface="@string/LittleOrion"
 		android:textColor="@color/white"
 		android:textSize="@dimen/sp_28"
 		android:textStyle="bold" />
@@ -37,6 +38,7 @@
 		android:gravity="center"
 		android:padding="@dimen/dp_10"
 		android:text="00:14:99"
+		app:typeface="@string/LittleOrion"
 		android:textColor="@color/white"
 		android:textSize="@dimen/sp_30"
 		android:textStyle="bold" />
@@ -67,6 +69,7 @@
 			android:layout_centerVertical="true"
 			android:gravity="center"
 			android:text="Cancel"
+			app:typeface="@string/LittleOrion"
 			android:textColor="@color/white"
 			android:textSize="@dimen/sp_30"
 			android:textStyle="bold" />
@@ -89,6 +92,7 @@
 			android:layout_centerVertical="true"
 			android:gravity="center"
 			android:text="Pause"
+			app:typeface="@string/LittleOrion"
 			android:textColor="@color/white"
 			android:textSize="@dimen/sp_30"
 			android:textStyle="bold" />
@@ -111,6 +115,7 @@
 			android:layout_centerVertical="true"
 			android:gravity="center"
 			android:text="Resume"
+			app:typeface="@string/LittleOrion"
 			android:textColor="@color/white"
 			android:textSize="@dimen/sp_30"
 			android:textStyle="bold" />

app/src/main/res/layout/activity_searching.xml

@@ -8,19 +8,26 @@
 	tools:context=".activity.SearchingActivity">
 
 
-	<com.example.blu.toys.view.TypefaceTextView
+	<LinearLayout
 		android:id="@+id/back_but"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		android:layout_marginLeft="@dimen/dp_20"
 		android:layout_marginTop="@dimen/dp_20"
 		android:background="@drawable/black_thumb"
-		android:gravity="center"
-		android:padding="@dimen/dp_5"
-		android:text="Back"
-		android:textColor="@color/white"
-		android:textSize="@dimen/sp_28"
-		android:textStyle="bold" />
+		android:gravity="center">
+
+		<com.example.blu.toys.view.TypefaceTextView
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:padding="@dimen/dp_5"
+			android:text="Back"
+			android:textColor="@color/white"
+			android:textSize="@dimen/sp_28"
+			android:textStyle="bold"
+			app:typeface="@string/LittleOrion" />
+
+	</LinearLayout>
 
 
 	<com.example.blu.toys.view.TypefaceTextView
@@ -57,15 +64,29 @@
 		android:orientation="vertical">
 
 
-		<com.example.blu.toys.view.TypefaceTextView
+		<LinearLayout
 			android:layout_width="wrap_content"
 			android:layout_height="wrap_content"
 			android:layout_centerHorizontal="true"
 			android:layout_centerVertical="true"
-			android:text="Srearching..."
-			android:textColor="@color/black"
-			android:textSize="@dimen/sp_22"
-			android:textStyle="bold" />
+			android:orientation="horizontal">
+
+
+			<com.example.blu.toys.view.TypefaceTextView
+				android:layout_width="wrap_content"
+				android:layout_height="wrap_content"
+				android:text="Srearching"
+				android:textColor="@color/black"
+				android:textSize="@dimen/sp_22"
+				android:textStyle="bold" />
+
+			<com.example.blu.toys.view.PointWaitBar
+				android:layout_width="wrap_content"
+				android:layout_height="wrap_content"
+				android:layout_gravity="bottom"
+				android:layout_marginBottom="@dimen/dp_3" />
+
+		</LinearLayout>
 
 
 		<androidx.appcompat.widget.AppCompatImageView

app/src/main/res/layout/activity_seleclt_device.xml

@@ -47,34 +47,15 @@
 			android:textStyle="bold" />
 
 
-		<com.example.blu.toys.view.TypefaceTextView
+		<androidx.recyclerview.widget.RecyclerView
+			android:id="@+id/recyclerView"
 			android:layout_width="match_parent"
 			android:layout_height="wrap_content"
-			android:layout_marginLeft="@dimen/dp_20"
+			android:layout_marginLeft="@dimen/dp_10"
 			android:layout_marginTop="@dimen/dp_20"
 			android:layout_marginRight="@dimen/dp_20"
-			android:background="@drawable/black_thumb"
-			android:gravity="center"
 			android:padding="@dimen/dp_10"
-			android:text="Stoplight Golight Time 1"
-			android:textColor="@color/white"
-			android:textSize="@dimen/sp_22"
-			android:textStyle="bold" />
-
-
-		<com.example.blu.toys.view.TypefaceTextView
-			android:layout_width="match_parent"
-			android:layout_height="wrap_content"
-			android:layout_marginLeft="@dimen/dp_20"
-			android:layout_marginTop="@dimen/dp_20"
-			android:layout_marginRight="@dimen/dp_20"
-			android:background="@drawable/black_thumb"
-			android:gravity="center"
-			android:padding="@dimen/dp_10"
-			android:text="Stoplight Golight Time 1"
-			android:textColor="@color/white"
-			android:textSize="@dimen/sp_22"
-			android:textStyle="bold" />
+			app:layout_constraintTop_toBottomOf="@+id/include" />
 
 
 		<com.example.blu.toys.view.TypefaceTextView

app/src/main/res/layout/activity_select_timer.xml

@@ -20,7 +20,8 @@
 		android:text="Back"
 		android:textColor="@color/white"
 		android:textSize="@dimen/sp_28"
-		android:textStyle="bold" />
+		android:textStyle="bold"
+		app:typeface="@string/LittleOrion" />
 
 
 	<LinearLayout
@@ -47,7 +48,8 @@
 			android:text="Select Timer Type"
 			android:textColor="@color/backer_back"
 			android:textSize="@dimen/sp_24"
-			android:textStyle="bold" />
+			android:textStyle="bold"
+			app:typeface="@string/LittleOrion" />
 
 
 		<RelativeLayout
@@ -71,6 +73,7 @@
 
 
 			<Switch
+				android:id="@+id/alarm_switch"
 				android:layout_width="match_parent"
 				android:layout_height="wrap_content"
 				android:layout_centerVertical="true"
@@ -109,6 +112,7 @@
 
 
 			<Switch
+				android:id="@+id/music_switch"
 				android:layout_width="match_parent"
 				android:layout_height="wrap_content"
 				android:layout_centerVertical="true"
@@ -147,6 +151,7 @@
 
 
 			<Switch
+				android:id="@+id/green_switch"
 				android:layout_width="match_parent"
 				android:layout_height="wrap_content"
 				android:layout_centerVertical="true"
@@ -196,6 +201,7 @@
 
 
 		<SeekBar
+			android:id="@+id/brightness_bar"
 			style="?android:attr/progressBarStyleHorizontal"
 			android:layout_width="wrap_content"
 			android:layout_height="wrap_content"

app/src/main/res/layout/activity_set_time.xml

@@ -20,7 +20,8 @@
 		android:text="Back"
 		android:textColor="@color/white"
 		android:textSize="@dimen/sp_28"
-		android:textStyle="bold" />
+		android:textStyle="bold"
+		app:typeface="@string/LittleOrion" />
 
 
 	<ImageView
@@ -44,7 +45,8 @@
 		android:text="Set Your Timer!"
 		android:textColor="@color/backer_back"
 		android:textSize="@dimen/sp_34"
-		android:textStyle="bold" />
+		android:textStyle="bold"
+		app:typeface="@string/LittleOrion" />
 
 
 	<LinearLayout
@@ -71,26 +73,74 @@
 			android:text="Select End Timer"
 			android:textColor="@color/backer_back"
 			android:textSize="@dimen/sp_24"
-			android:textStyle="bold" />
+			android:textStyle="bold"
+			app:typeface="@string/LittleOrion" />
 
 
 		<RelativeLayout
 			android:layout_width="match_parent"
-			android:layout_height="wrap_content"
+			android:layout_height="@dimen/dp_75"
 			android:background="@drawable/black_thumb"
-			android:padding="@dimen/dp_5">
+			>
 
-			<com.example.blu.toys.view.TypefaceTextView
+			<LinearLayout
 				android:layout_width="match_parent"
 				android:layout_height="wrap_content"
+				android:layout_centerHorizontal="true"
 				android:layout_centerVertical="true"
-				android:gravity="center_horizontal"
-				android:padding="@dimen/dp_10"
-				android:text="08:00:00"
-				android:textColor="@color/white"
-				android:textSize="@dimen/sp_28"
-				android:textStyle="bold"
-				app:typeface="@string/LittleOrion" />
+				android:gravity="center">
+
+				<com.example.blu.toys.view.WheelView
+					android:id="@+id/wheel_hour"
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:layout_gravity="center_vertical" />
+
+				<com.example.blu.toys.view.TypefaceTextView
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:layout_below="@+id/back_but"
+					android:layout_centerHorizontal="true"
+					android:layout_gravity="center_vertical"
+					android:text=":"
+					android:textColor="@color/white"
+					android:textSize="@dimen/sp_24"
+					app:typeface="@string/LittleOrion" />
+
+				<com.example.blu.toys.view.WheelView
+					android:id="@+id/wheel_minute"
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:layout_gravity="center_vertical" />
+
+
+				<com.example.blu.toys.view.TypefaceTextView
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:layout_below="@+id/back_but"
+					android:layout_centerHorizontal="true"
+					android:layout_gravity="center_vertical"
+					android:text=":"
+					android:textColor="@color/white"
+					android:textSize="@dimen/sp_24"
+					app:typeface="@string/LittleOrion" />
+
+				<com.example.blu.toys.view.WheelView
+					android:id="@+id/wheel_second"
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:layout_gravity="center_vertical" />
+
+
+				<com.example.blu.toys.view.WheelView
+					android:id="@+id/wheel_am_pm"
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:layout_gravity="center_vertical"
+					android:layout_marginLeft="20dp" />
+
+
+			</LinearLayout>
 
 
 		</RelativeLayout>
@@ -107,25 +157,64 @@
 			android:text="Select Time Interval"
 			android:textColor="@color/backer_back"
 			android:textSize="@dimen/sp_24"
-			android:textStyle="bold" />
+			android:textStyle="bold"
+			app:typeface="@string/LittleOrion" />
 
 		<RelativeLayout
 			android:layout_width="match_parent"
-			android:layout_height="wrap_content"
+			android:layout_height="@dimen/dp_50"
 			android:background="@drawable/black_thumb"
 			android:padding="@dimen/dp_5">
 
-			<com.example.blu.toys.view.TypefaceTextView
+			<LinearLayout
 				android:layout_width="match_parent"
 				android:layout_height="wrap_content"
+				android:layout_centerHorizontal="true"
 				android:layout_centerVertical="true"
-				android:gravity="center"
-				android:padding="@dimen/dp_10"
-				android:text="00:15:00"
-				android:textColor="@color/white"
-				android:textSize="@dimen/sp_28"
-				android:textStyle="bold"
-				app:typeface="@string/LittleOrion" />
+				android:gravity="center">
+
+				<com.example.blu.toys.view.WheelView
+					android:id="@+id/wheel_hour_dw"
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:layout_gravity="center_vertical" />
+
+				<com.example.blu.toys.view.TypefaceTextView
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:layout_below="@+id/back_but"
+					android:layout_centerHorizontal="true"
+					android:layout_gravity="center_vertical"
+					android:text=":"
+					android:textColor="@color/white"
+					android:textSize="@dimen/sp_24"
+					app:typeface="@string/LittleOrion" />
+
+				<com.example.blu.toys.view.WheelView
+					android:id="@+id/wheel_minute_dw"
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:layout_gravity="center_vertical" />
+
+
+				<com.example.blu.toys.view.TypefaceTextView
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:layout_below="@+id/back_but"
+					android:layout_centerHorizontal="true"
+					android:layout_gravity="center_vertical"
+					android:text=":"
+					android:textColor="@color/white"
+					android:textSize="@dimen/sp_24"
+					app:typeface="@string/LittleOrion" />
+
+				<com.example.blu.toys.view.WheelView
+					android:id="@+id/wheel_second_dw"
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:layout_gravity="center_vertical" />
+
+			</LinearLayout>
 
 
 		</RelativeLayout>

app/src/main/res/layout/activity_setting_music.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent"
+	android:background="#FFCA05"
+	tools:context=".activity.SettingMusicActivity">
+
+	<androidx.recyclerview.widget.RecyclerView
+		android:id="@+id/recyclerView"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_marginLeft="@dimen/dp_10"
+		android:layout_marginTop="@dimen/dp_20"
+		android:layout_marginRight="@dimen/dp_20"
+		android:padding="@dimen/dp_10"
+		app:layout_constraintTop_toBottomOf="@+id/include" />
+
+
+</LinearLayout>
\ No newline at end of file

app/src/main/res/layout/ble_devices_item.xml

+<?xml version="1.0" encoding="utf-8"?>
+<com.example.blu.toys.view.TypefaceTextView xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:id="@+id/dv_name"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:layout_marginLeft="@dimen/dp_20"
+	android:layout_marginTop="@dimen/dp_10"
+	android:layout_marginRight="@dimen/dp_20"
+	android:background="@drawable/black_thumb"
+	android:gravity="center"
+	android:padding="@dimen/dp_10"
+	android:text="Stoplight Golight Time 1"
+	android:textColor="@color/white"
+	android:textSize="@dimen/sp_22"
+	android:textStyle="bold">
+
+</com.example.blu.toys.view.TypefaceTextView>
\ No newline at end of file

app/src/main/res/layout/music_type.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:background="#FFCA05"
+	android:gravity="center"
+	android:padding="@dimen/dp_10">
+
+
+	<com.example.blu.toys.view.TypefaceTextView
+		android:id="@+id/dv_name"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_marginLeft="@dimen/dp_20"
+		android:layout_marginTop="@dimen/dp_10"
+		android:layout_marginRight="@dimen/dp_20"
+		android:gravity="center"
+		android:padding="@dimen/dp_10"
+		android:text="Stoplight Golight Time 1"
+		android:textColor="@color/white"
+		android:textSize="@dimen/sp_22"
+		android:textStyle="bold" />
+
+
+</LinearLayout>
\ No newline at end of file

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-	<background android:drawable="@drawable/ic_launcher_background" />
-	<foreground android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>
\ No newline at end of file

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-	<background android:drawable="@drawable/ic_launcher_background" />
-	<foreground android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>
\ No newline at end of file

build.gradle

@@ -3,8 +3,8 @@ buildscript {
 	repositories {
 		google()
 		jcenter()
-//		maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
-//		maven { url 'https://jitpack.io' }
+		maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
+		maven { url 'https://jitpack.io' }
 
 	}
 	dependencies {
@@ -16,9 +16,9 @@ buildscript {
 allprojects {
 	repositories {
 		google()
+		mavenCentral()
 		maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
-
-//		maven { url 'https://www.jitpack.io' }
+		maven { url "https://jitpack.io" }
 		jcenter()
 	}
 }

library/.gitignore

+.gradle/
+.DS_Store
+local.properties
+
+# build files
+build/
+bin/
+gen/
+output/
+
+# android studio
+*.iml
+.idea

library/build.gradle

+apply plugin: 'com.android.library'
+android {
+    compileSdkVersion 28
+
+    defaultConfig {
+        minSdkVersion 14
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            consumerProguardFiles 'proguard-rules.pro'
+        }
+    }
+    lintOptions {
+        abortOnError false
+    }
+
+
+}
+
+// 打包源码jar
+task sourcesJar(type: Jar) {
+    from android.sourceSets.main.java.srcDirs
+    classifier = 'sources'
+}
+
+task javadoc(type: Javadoc) {
+    failOnError  false
+    source = android.sourceSets.main.java.sourceFiles
+    classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
+    classpath += configurations.compile
+}
+
+// 打包文档jar
+task javadocJar(type: Jar, dependsOn: javadoc) {
+    classifier = 'javadoc'
+    from javadoc.destinationDir
+}
+
+artifacts {
+    archives sourcesJar
+    archives javadocJar
+}
+
+dependencies {
+
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    compileOnly 'androidx.recyclerview:recyclerview:1.0.0'
+}

library/proguard-rules.pro

+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/huasheng/Desktop/sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+-keep class com.chad.library.adapter.** {
+*;
+}
+-keep public class * extends com.chad.library.adapter.base.BaseQuickAdapter
+-keep public class * extends com.chad.library.adapter.base.BaseViewHolder
+-keepclassmembers  class **$** extends com.chad.library.adapter.base.BaseViewHolder {
+     <init>(...);
+}
+-keepattributes InnerClasses
\ No newline at end of file

library/src/main/AndroidManifest.xml

+<manifest package="com.chad.library"
+          xmlns:android="http://schemas.android.com/apk/res/android">
+</manifest>

library/src/main/java/com/chad/library/adapter/base/BaseItemDraggableAdapter.java

+package com.chad.library.adapter.base;
+
+import android.graphics.Canvas;
+
+import androidx.annotation.NonNull;
+import androidx.core.view.MotionEventCompat;
+import androidx.recyclerview.widget.ItemTouchHelper;
+import androidx.recyclerview.widget.RecyclerView;
+import android.view.MotionEvent;
+import android.view.View;
+
+import com.chad.library.R;
+import com.chad.library.adapter.base.callback.ItemDragAndSwipeCallback;
+import com.chad.library.adapter.base.listener.OnItemDragListener;
+import com.chad.library.adapter.base.listener.OnItemSwipeListener;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Created by luoxw on 2016/7/13.
+ */
+public abstract class BaseItemDraggableAdapter<T, K extends BaseViewHolder> extends BaseQuickAdapter<T, K> {
+
+    private static final int NO_TOGGLE_VIEW = 0;
+    protected int mToggleViewId = NO_TOGGLE_VIEW;
+    protected ItemTouchHelper mItemTouchHelper;
+    protected boolean itemDragEnabled = false;
+    protected boolean itemSwipeEnabled = false;
+    protected OnItemDragListener mOnItemDragListener;
+    protected OnItemSwipeListener mOnItemSwipeListener;
+    protected boolean mDragOnLongPress = true;
+
+    protected View.OnTouchListener mOnToggleViewTouchListener;
+    protected View.OnLongClickListener mOnToggleViewLongClickListener;
+
+    private static final String ERROR_NOT_SAME_ITEMTOUCHHELPER = "Item drag and item swipe should pass the same ItemTouchHelper";
+
+
+    public BaseItemDraggableAdapter(List<T> data) {
+        super(data);
+    }
+
+    public BaseItemDraggableAdapter(int layoutResId, List<T> data) {
+        super(layoutResId, data);
+    }
+
+
+    /**
+     * To bind different types of holder and solve different the bind events
+     *
+     * @param holder
+     * @param position
+     * @see #getDefItemViewType(int)
+     */
+    @Override
+    public void onBindViewHolder(@NonNull K holder, int position) {
+        super.onBindViewHolder(holder, position);
+        int viewType = holder.getItemViewType();
+
+        if (mItemTouchHelper != null && itemDragEnabled && viewType != LOADING_VIEW && viewType != HEADER_VIEW
+                && viewType != EMPTY_VIEW && viewType != FOOTER_VIEW) {
+            if (mToggleViewId != NO_TOGGLE_VIEW) {
+                View toggleView = holder.getView(mToggleViewId);
+                if (toggleView != null) {
+                    toggleView.setTag(R.id.BaseQuickAdapter_viewholder_support, holder);
+                    if (mDragOnLongPress) {
+                        toggleView.setOnLongClickListener(mOnToggleViewLongClickListener);
+                    } else {
+                        toggleView.setOnTouchListener(mOnToggleViewTouchListener);
+                    }
+                }
+            } else {
+                holder.itemView.setTag(R.id.BaseQuickAdapter_viewholder_support, holder);
+                holder.itemView.setOnLongClickListener(mOnToggleViewLongClickListener);
+            }
+        }
+    }
+
+
+    /**
+     * Set the toggle view's id which will trigger drag event.
+     * If the toggle view id is not set, drag event will be triggered when the item is long pressed.
+     *
+     * @param toggleViewId the toggle view's id
+     */
+    public void setToggleViewId(int toggleViewId) {
+        mToggleViewId = toggleViewId;
+    }
+
+    /**
+     * Set the drag event should be trigger on long press.
+     * Work when the toggleViewId has been set.
+     *
+     * @param longPress by default is true.
+     */
+    public void setToggleDragOnLongPress(boolean longPress) {
+        mDragOnLongPress = longPress;
+        if (mDragOnLongPress) {
+            mOnToggleViewTouchListener = null;
+            mOnToggleViewLongClickListener = new View.OnLongClickListener() {
+                @Override
+                public boolean onLongClick(View v) {
+                    if (mItemTouchHelper != null && itemDragEnabled) {
+                        mItemTouchHelper.startDrag((RecyclerView.ViewHolder) v.getTag(R.id.BaseQuickAdapter_viewholder_support));
+                    }
+                    return true;
+                }
+            };
+        } else {
+            mOnToggleViewTouchListener = new View.OnTouchListener() {
+                @Override
+                public boolean onTouch(View v, MotionEvent event) {
+                    if (MotionEventCompat.getActionMasked(event) == MotionEvent.ACTION_DOWN
+                            && !mDragOnLongPress) {
+                        if (mItemTouchHelper != null && itemDragEnabled) {
+                            mItemTouchHelper.startDrag((RecyclerView.ViewHolder) v.getTag(R.id.BaseQuickAdapter_viewholder_support));
+                        }
+                        return true;
+                    } else {
+                        return false;
+                    }
+                }
+            };
+            mOnToggleViewLongClickListener = null;
+        }
+    }
+
+    /**
+     * Enable drag items.
+     * Use itemView as the toggleView when long pressed.
+     *
+     * @param itemTouchHelper {@link ItemTouchHelper}
+     */
+    public void enableDragItem(@NonNull ItemTouchHelper itemTouchHelper) {
+        enableDragItem(itemTouchHelper, NO_TOGGLE_VIEW, true);
+    }
+
+    /**
+     * Enable drag items. Use the specified view as toggle.
+     *
+     * @param itemTouchHelper {@link ItemTouchHelper}
+     * @param toggleViewId    The toggle view's id.
+     * @param dragOnLongPress If true the drag event will be trigger on long press, otherwise on touch down.
+     */
+    public void enableDragItem(@NonNull ItemTouchHelper itemTouchHelper, int toggleViewId, boolean dragOnLongPress) {
+        itemDragEnabled = true;
+        mItemTouchHelper = itemTouchHelper;
+        setToggleViewId(toggleViewId);
+        setToggleDragOnLongPress(dragOnLongPress);
+    }
+
+    /**
+     * Disable drag items.
+     */
+    public void disableDragItem() {
+        itemDragEnabled = false;
+        mItemTouchHelper = null;
+    }
+
+    public boolean isItemDraggable() {
+        return itemDragEnabled;
+    }
+
+    /**
+     * <p>Enable swipe items.</p>
+     * You should attach {@link ItemTouchHelper} which construct with {@link ItemDragAndSwipeCallback} to the Recycler when you enable this.
+     */
+    public void enableSwipeItem() {
+        itemSwipeEnabled = true;
+    }
+
+    public void disableSwipeItem() {
+        itemSwipeEnabled = false;
+    }
+
+    public boolean isItemSwipeEnable() {
+        return itemSwipeEnabled;
+    }
+
+    /**
+     * @param onItemDragListener Register a callback to be invoked when drag event happen.
+     */
+    public void setOnItemDragListener(OnItemDragListener onItemDragListener) {
+        mOnItemDragListener = onItemDragListener;
+    }
+
+    public int getViewHolderPosition(RecyclerView.ViewHolder viewHolder) {
+        return viewHolder.getAdapterPosition() - getHeaderLayoutCount();
+    }
+
+    public void onItemDragStart(RecyclerView.ViewHolder viewHolder) {
+        if (mOnItemDragListener != null && itemDragEnabled) {
+            mOnItemDragListener.onItemDragStart(viewHolder, getViewHolderPosition(viewHolder));
+        }
+    }
+
+    public void onItemDragMoving(RecyclerView.ViewHolder source, RecyclerView.ViewHolder target) {
+        int from = getViewHolderPosition(source);
+        int to = getViewHolderPosition(target);
+
+        if (inRange(from) && inRange(to)) {
+            if (from < to) {
+                for (int i = from; i < to; i++) {
+                    Collections.swap(mData, i, i + 1);
+                }
+            } else {
+                for (int i = from; i > to; i--) {
+                    Collections.swap(mData, i, i - 1);
+                }
+            }
+            notifyItemMoved(source.getAdapterPosition(), target.getAdapterPosition());
+        }
+
+        if (mOnItemDragListener != null && itemDragEnabled) {
+            mOnItemDragListener.onItemDragMoving(source, from, target, to);
+        }
+    }
+
+    public void onItemDragEnd(RecyclerView.ViewHolder viewHolder) {
+        if (mOnItemDragListener != null && itemDragEnabled) {
+            mOnItemDragListener.onItemDragEnd(viewHolder, getViewHolderPosition(viewHolder));
+        }
+    }
+
+    public void setOnItemSwipeListener(OnItemSwipeListener listener) {
+        mOnItemSwipeListener = listener;
+    }
+
+    public void onItemSwipeStart(RecyclerView.ViewHolder viewHolder) {
+        if (mOnItemSwipeListener != null && itemSwipeEnabled) {
+            mOnItemSwipeListener.onItemSwipeStart(viewHolder, getViewHolderPosition(viewHolder));
+        }
+    }
+
+    public void onItemSwipeClear(RecyclerView.ViewHolder viewHolder) {
+        if (mOnItemSwipeListener != null && itemSwipeEnabled) {
+            mOnItemSwipeListener.clearView(viewHolder, getViewHolderPosition(viewHolder));
+        }
+    }
+
+    public void onItemSwiped(RecyclerView.ViewHolder viewHolder) {
+        final int pos = getViewHolderPosition(viewHolder);
+        if (inRange(pos)) {
+            mData.remove(pos);
+            notifyItemRemoved(viewHolder.getAdapterPosition());
+
+            if (mOnItemSwipeListener != null && itemSwipeEnabled) {
+                mOnItemSwipeListener.onItemSwiped(viewHolder, pos);
+            }
+        }
+    }
+
+    public void onItemSwiping(Canvas canvas, RecyclerView.ViewHolder viewHolder, float dX, float dY, boolean isCurrentlyActive) {
+        if (mOnItemSwipeListener != null && itemSwipeEnabled) {
+            mOnItemSwipeListener.onItemSwipeMoving(canvas, viewHolder, dX, dY, isCurrentlyActive);
+        }
+    }
+
+    private boolean inRange(int position) {
+        return position >= 0 && position < mData.size();
+    }
+}

library/src/main/java/com/chad/library/adapter/base/BaseMultiItemQuickAdapter.java

+package com.chad.library.adapter.base;
+
+import android.util.SparseIntArray;
+import android.view.ViewGroup;
+
+import androidx.annotation.IntRange;
+import androidx.annotation.LayoutRes;
+
+import com.chad.library.adapter.base.entity.IExpandable;
+import com.chad.library.adapter.base.entity.MultiItemEntity;
+
+import java.util.List;
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public abstract class BaseMultiItemQuickAdapter<T extends MultiItemEntity, K extends BaseViewHolder> extends BaseQuickAdapter<T, K> {
+
+    /**
+     * layouts indexed with their types
+     */
+    private SparseIntArray layouts;
+
+    private static final int DEFAULT_VIEW_TYPE = -0xff;
+    public static final int TYPE_NOT_FOUND = -404;
+
+    /**
+     * Same as QuickAdapter#QuickAdapter(Context,int) but with
+     * some initialization data.
+     *
+     * @param data A new list is created out of this one to avoid mutable list
+     */
+    public BaseMultiItemQuickAdapter(List<T> data) {
+        super(data);
+    }
+
+    @Override
+    protected int getDefItemViewType(int position) {
+        T item = mData.get(position);
+        if (item != null) {
+            return item.getItemType();
+        }
+        return DEFAULT_VIEW_TYPE;
+    }
+
+    protected void setDefaultViewTypeLayout(@LayoutRes int layoutResId) {
+        addItemType(DEFAULT_VIEW_TYPE, layoutResId);
+    }
+
+    @Override
+    protected K onCreateDefViewHolder(ViewGroup parent, int viewType) {
+        return createBaseViewHolder(parent, getLayoutId(viewType));
+    }
+
+    private int getLayoutId(int viewType) {
+        return layouts.get(viewType, TYPE_NOT_FOUND);
+    }
+
+    protected void addItemType(int type, @LayoutRes int layoutResId) {
+        if (layouts == null) {
+            layouts = new SparseIntArray();
+        }
+        layouts.put(type, layoutResId);
+    }
+
+
+    @Override
+    public void remove(@IntRange(from = 0L) int position) {
+        if (mData == null
+                || position < 0
+                || position >= mData.size()) return;
+
+        T entity = mData.get(position);
+        if (entity instanceof IExpandable) {
+            removeAllChild((IExpandable) entity, position);
+        }
+        removeDataFromParent(entity);
+        super.remove(position);
+    }
+
+    /**
+     * 移除父控件时，若父控件处于展开状态，则先移除其所有的子控件
+     *
+     * @param parent         父控件实体
+     * @param parentPosition 父控件位置
+     */
+    protected void removeAllChild(IExpandable parent, int parentPosition) {
+        if (parent.isExpanded()) {
+            List<MultiItemEntity> chidChilds = parent.getSubItems();
+            if (chidChilds == null || chidChilds.size() == 0) return;
+
+            int childSize = chidChilds.size();
+            for (int i = 0; i < childSize; i++) {
+                remove(parentPosition + 1);
+            }
+        }
+    }
+
+    /**
+     * 移除子控件时，移除父控件实体类中相关子控件数据，避免关闭后再次展开数据重现
+     *
+     * @param child 子控件实体
+     */
+    protected void removeDataFromParent(T child) {
+        int position = getParentPosition(child);
+        if (position >= 0) {
+            IExpandable parent = (IExpandable) mData.get(position);
+            if (parent != child) {
+                parent.getSubItems().remove(child);
+            }
+        }
+    }
+
+    /**
+     * 该方法用于 IExpandable 树形列表。
+     * 如果不存在 Parent，则 return -1。
+     *
+     * @param position 所处列表的位置
+     * @return 父 position 在数据列表中的位置
+     */
+    public int getParentPositionInAll(int position) {
+        List<T> data = getData();
+        MultiItemEntity multiItemEntity = getItem(position);
+
+        if (isExpandable(multiItemEntity)) {
+            IExpandable IExpandable = (IExpandable) multiItemEntity;
+            for (int i = position - 1; i >= 0; i--) {
+                MultiItemEntity entity = data.get(i);
+                if (isExpandable(entity) && IExpandable.getLevel() > ((IExpandable) entity).getLevel()) {
+                    return i;
+                }
+            }
+        } else {
+            for (int i = position - 1; i >= 0; i--) {
+                MultiItemEntity entity = data.get(i);
+                if (isExpandable(entity)) {
+                    return i;
+                }
+            }
+        }
+        return -1;
+    }
+
+    public boolean isExpandable(MultiItemEntity item) {
+        return item != null && item instanceof IExpandable;
+    }
+}
+
+

library/src/main/java/com/chad/library/adapter/base/BaseQuickAdapter.java

+/*
+ * Copyright 2013 Joan Zapata
+ * <p/>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.chad.library.adapter.base;
+
+import android.animation.Animator;
+import android.content.Context;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.animation.Interpolator;
+import android.view.animation.LinearInterpolator;
+import android.widget.FrameLayout;
+import android.widget.LinearLayout;
+
+import androidx.annotation.IdRes;
+import androidx.annotation.IntDef;
+import androidx.annotation.IntRange;
+import androidx.annotation.LayoutRes;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.DiffUtil;
+import androidx.recyclerview.widget.GridLayoutManager;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.StaggeredGridLayoutManager;
+
+import com.chad.library.adapter.base.animation.AlphaInAnimation;
+import com.chad.library.adapter.base.animation.BaseAnimation;
+import com.chad.library.adapter.base.animation.ScaleInAnimation;
+import com.chad.library.adapter.base.animation.SlideInBottomAnimation;
+import com.chad.library.adapter.base.animation.SlideInLeftAnimation;
+import com.chad.library.adapter.base.animation.SlideInRightAnimation;
+import com.chad.library.adapter.base.diff.BaseQuickAdapterListUpdateCallback;
+import com.chad.library.adapter.base.diff.BaseQuickDiffCallback;
+import com.chad.library.adapter.base.entity.IExpandable;
+import com.chad.library.adapter.base.loadmore.LoadMoreView;
+import com.chad.library.adapter.base.loadmore.SimpleLoadMoreView;
+import com.chad.library.adapter.base.util.MultiTypeDelegate;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Modifier;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
+import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
+
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public abstract class BaseQuickAdapter<T, K extends BaseViewHolder> extends RecyclerView.Adapter<K> {
+
+    //load more
+    private boolean mNextLoadEnable = false;
+    private boolean mLoadMoreEnable = false;
+    private boolean mLoading = false;
+    private LoadMoreView mLoadMoreView = new SimpleLoadMoreView();
+    private RequestLoadMoreListener mRequestLoadMoreListener;
+    private boolean mEnableLoadMoreEndClick = false;
+
+    //Animation
+    /**
+     * Use with {@link #openLoadAnimation}
+     */
+    public static final int ALPHAIN = 0x00000001;
+    /**
+     * Use with {@link #openLoadAnimation}
+     */
+    public static final int SCALEIN = 0x00000002;
+    /**
+     * Use with {@link #openLoadAnimation}
+     */
+    public static final int SLIDEIN_BOTTOM = 0x00000003;
+    /**
+     * Use with {@link #openLoadAnimation}
+     */
+    public static final int SLIDEIN_LEFT = 0x00000004;
+    /**
+     * Use with {@link #openLoadAnimation}
+     */
+    public static final int SLIDEIN_RIGHT = 0x00000005;
+    private OnItemClickListener mOnItemClickListener;
+    private OnItemLongClickListener mOnItemLongClickListener;
+    private OnItemChildClickListener mOnItemChildClickListener;
+    private OnItemChildLongClickListener mOnItemChildLongClickListener;
+    private boolean mFirstOnlyEnable = true;
+    private boolean mOpenAnimationEnable = false;
+    private Interpolator mInterpolator = new LinearInterpolator();
+    private int mDuration = 300;
+    private int mLastPosition = -1;
+
+    private BaseAnimation mCustomAnimation;
+    private BaseAnimation mSelectAnimation = new AlphaInAnimation();
+    //header footer
+    private LinearLayout mHeaderLayout;
+    private LinearLayout mFooterLayout;
+    //empty
+    private FrameLayout mEmptyLayout;
+    private boolean mIsUseEmpty = true;
+    private boolean mHeadAndEmptyEnable;
+    private boolean mFootAndEmptyEnable;
+
+    protected static final String TAG = BaseQuickAdapter.class.getSimpleName();
+    protected Context mContext;
+    protected int mLayoutResId;
+    protected LayoutInflater mLayoutInflater;
+    protected List<T> mData;
+    public static final int HEADER_VIEW = 0x00000111;
+    public static final int LOADING_VIEW = 0x00000222;
+    public static final int FOOTER_VIEW = 0x00000333;
+    public static final int EMPTY_VIEW = 0x00000555;
+    /**
+     * up fetch start
+     */
+    private boolean mUpFetchEnable;
+    private boolean mUpFetching;
+    private UpFetchListener mUpFetchListener;
+    private RecyclerView mRecyclerView;
+    private int mPreLoadNumber = 1;
+
+    /**
+     * start up fetch position, default is 1.
+     */
+    private int mStartUpFetchPosition = 1;
+    /**
+     * if asFlow is true, footer/header will arrange like normal item view.
+     * only works when use {@link GridLayoutManager},and it will ignore span size.
+     */
+    private boolean headerViewAsFlow, footerViewAsFlow;
+
+    @IntDef({ALPHAIN, SCALEIN, SLIDEIN_BOTTOM, SLIDEIN_LEFT, SLIDEIN_RIGHT})
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface AnimationType {
+    }
+
+    protected RecyclerView getRecyclerView() {
+        return mRecyclerView;
+    }
+
+    private void setRecyclerView(RecyclerView recyclerView) {
+        mRecyclerView = recyclerView;
+    }
+
+    private void checkNotNull() {
+        if (getRecyclerView() == null) {
+            throw new IllegalStateException("please bind recyclerView first!");
+        }
+    }
+
+    /**
+     * same as recyclerView.setAdapter(), and save the instance of recyclerView
+     */
+    public void bindToRecyclerView(RecyclerView recyclerView) {
+        if (getRecyclerView() != null) {
+            throw new IllegalStateException("Don't bind twice");
+        }
+        setRecyclerView(recyclerView);
+        getRecyclerView().setAdapter(this);
+    }
+
+    /**
+     * @see #setOnLoadMoreListener(RequestLoadMoreListener, RecyclerView)
+     * @deprecated This method is because it can lead to crash: always call this method while RecyclerView is computing a layout or scrolling.
+     * Please use {@link #setOnLoadMoreListener(RequestLoadMoreListener, RecyclerView)}
+     */
+    @Deprecated
+    public void setOnLoadMoreListener(RequestLoadMoreListener requestLoadMoreListener) {
+        openLoadMore(requestLoadMoreListener);
+    }
+
+    private void openLoadMore(RequestLoadMoreListener requestLoadMoreListener) {
+        this.mRequestLoadMoreListener = requestLoadMoreListener;
+        mNextLoadEnable = true;
+        mLoadMoreEnable = true;
+        mLoading = false;
+    }
+
+    public void setOnLoadMoreListener(RequestLoadMoreListener requestLoadMoreListener, RecyclerView recyclerView) {
+        openLoadMore(requestLoadMoreListener);
+        if (getRecyclerView() == null) {
+            setRecyclerView(recyclerView);
+        }
+    }
+
+    /**
+     * bind recyclerView {@link #bindToRecyclerView(RecyclerView)} before use!
+     *
+     * @see #disableLoadMoreIfNotFullPage(RecyclerView)
+     */
+    public void disableLoadMoreIfNotFullPage() {
+        checkNotNull();
+        disableLoadMoreIfNotFullPage(getRecyclerView());
+    }
+
+    /**
+     * check if full page after {@link #setNewData(List)}, if full, it will enable load more again.
+     * <p>
+     * 不是配置项！！
+     * <p>
+     * 这个方法是用来检查是否满一屏的，所以只推荐在 {@link #setNewData(List)} 之后使用
+     * 原理很简单，先关闭 load more，检查完了再决定是否开启
+     * <p>
+     * 不是配置项！！
+     *
+     * @param recyclerView your recyclerView
+     * @see #setNewData(List)
+     */
+    public void disableLoadMoreIfNotFullPage(RecyclerView recyclerView) {
+        setEnableLoadMore(false);
+        if (recyclerView == null) return;
+        RecyclerView.LayoutManager manager = recyclerView.getLayoutManager();
+        if (manager == null) return;
+        if (manager instanceof LinearLayoutManager) {
+            final LinearLayoutManager linearLayoutManager = (LinearLayoutManager) manager;
+            recyclerView.postDelayed(new Runnable() {
+                @Override
+                public void run() {
+                    if (isFullScreen(linearLayoutManager)) {
+                        setEnableLoadMore(true);
+                    }
+                }
+            }, 50);
+        } else if (manager instanceof StaggeredGridLayoutManager) {
+            final StaggeredGridLayoutManager staggeredGridLayoutManager = (StaggeredGridLayoutManager) manager;
+            recyclerView.postDelayed(new Runnable() {
+                @Override
+                public void run() {
+                    final int[] positions = new int[staggeredGridLayoutManager.getSpanCount()];
+                    staggeredGridLayoutManager.findLastCompletelyVisibleItemPositions(positions);
+                    int pos = getTheBiggestNumber(positions) + 1;
+                    if (pos != getItemCount()) {
+                        setEnableLoadMore(true);
+                    }
+                }
+            }, 50);
+        }
+    }
+
+    private boolean isFullScreen(LinearLayoutManager llm) {
+        return (llm.findLastCompletelyVisibleItemPosition() + 1) != getItemCount() ||
+                llm.findFirstCompletelyVisibleItemPosition() != 0;
+    }
+
+    private int getTheBiggestNumber(int[] numbers) {
+        int tmp = -1;
+        if (numbers == null || numbers.length == 0) {
+            return tmp;
+        }
+        for (int num : numbers) {
+            if (num > tmp) {
+                tmp = num;
+            }
+        }
+        return tmp;
+    }
+
+
+    public void setUpFetchEnable(boolean upFetch) {
+        this.mUpFetchEnable = upFetch;
+    }
+
+    public boolean isUpFetchEnable() {
+        return mUpFetchEnable;
+    }
+
+
+    public void setStartUpFetchPosition(int startUpFetchPosition) {
+        mStartUpFetchPosition = startUpFetchPosition;
+    }
+
+    private void autoUpFetch(int positions) {
+        if (!isUpFetchEnable() || isUpFetching()) {
+            return;
+        }
+        if (positions <= mStartUpFetchPosition && mUpFetchListener != null) {
+            mUpFetchListener.onUpFetch();
+        }
+    }
+
+    public boolean isUpFetching() {
+        return mUpFetching;
+    }
+
+    public void setUpFetching(boolean upFetching) {
+        this.mUpFetching = upFetching;
+    }
+
+    public void setUpFetchListener(UpFetchListener upFetchListener) {
+        mUpFetchListener = upFetchListener;
+    }
+
+    public interface UpFetchListener {
+        void onUpFetch();
+    }
+
+    /**
+     * up fetch end
+     */
+    public void setNotDoAnimationCount(int count) {
+        mLastPosition = count;
+    }
+
+    /**
+     * Set custom load more
+     *
+     * @param loadingView 加载视图
+     */
+    public void setLoadMoreView(LoadMoreView loadingView) {
+        this.mLoadMoreView = loadingView;
+    }
+
+    /**
+     * Load more view count
+     *
+     * @return 0 or 1
+     */
+    public int getLoadMoreViewCount() {
+        if (mRequestLoadMoreListener == null || !mLoadMoreEnable) {
+            return 0;
+        }
+        if (!mNextLoadEnable && mLoadMoreView.isLoadEndMoreGone()) {
+            return 0;
+        }
+        if (mData.size() == 0) {
+            return 0;
+        }
+        return 1;
+    }
+
+    /**
+     * Gets to load more locations
+     *
+     * @return
+     */
+    public int getLoadMoreViewPosition() {
+        return getHeaderLayoutCount() + mData.size() + getFooterLayoutCount();
+    }
+
+    /**
+     * @return Whether the Adapter is actively showing load
+     * progress.
+     */
+    public boolean isLoading() {
+        return mLoading;
+    }
+
+
+    /**
+     * Refresh end, no more data
+     */
+    public void loadMoreEnd() {
+        loadMoreEnd(false);
+    }
+
+    /**
+     * Refresh end, no more data
+     *
+     * @param gone if true gone the load more view
+     */
+    public void loadMoreEnd(boolean gone) {
+        if (getLoadMoreViewCount() == 0) {
+            return;
+        }
+        mLoading = false;
+        mNextLoadEnable = false;
+        mLoadMoreView.setLoadMoreEndGone(gone);
+        if (gone) {
+            notifyItemRemoved(getLoadMoreViewPosition());
+        } else {
+            mLoadMoreView.setLoadMoreStatus(LoadMoreView.STATUS_END);
+            notifyItemChanged(getLoadMoreViewPosition());
+        }
+    }
+
+    /**
+     * Refresh complete
+     */
+    public void loadMoreComplete() {
+        if (getLoadMoreViewCount() == 0) {
+            return;
+        }
+        mLoading = false;
+        mNextLoadEnable = true;
+        mLoadMoreView.setLoadMoreStatus(LoadMoreView.STATUS_DEFAULT);
+        notifyItemChanged(getLoadMoreViewPosition());
+    }
+
+    /**
+     * Refresh failed
+     */
+    public void loadMoreFail() {
+        if (getLoadMoreViewCount() == 0) {
+            return;
+        }
+        mLoading = false;
+        mLoadMoreView.setLoadMoreStatus(LoadMoreView.STATUS_FAIL);
+        notifyItemChanged(getLoadMoreViewPosition());
+    }
+
+    /**
+     * Set the enabled state of load more.
+     *
+     * @param enable True if load more is enabled, false otherwise.
+     */
+    public void setEnableLoadMore(boolean enable) {
+        int oldLoadMoreCount = getLoadMoreViewCount();
+        mLoadMoreEnable = enable;
+        int newLoadMoreCount = getLoadMoreViewCount();
+
+        if (oldLoadMoreCount == 1) {
+            if (newLoadMoreCount == 0) {
+                notifyItemRemoved(getLoadMoreViewPosition());
+            }
+        } else {
+            if (newLoadMoreCount == 1) {
+                mLoadMoreView.setLoadMoreStatus(LoadMoreView.STATUS_DEFAULT);
+                notifyItemInserted(getLoadMoreViewPosition());
+            }
+        }
+    }
+
+    /**
+     * Returns the enabled status for load more.
+     *
+     * @return True if load more is enabled, false otherwise.
+     */
+    public boolean isLoadMoreEnable() {
+        return mLoadMoreEnable;
+    }
+
+    /**
+     * Sets the duration of the animation.
+     *
+     * @param duration The length of the animation, in milliseconds.
+     */
+    public void setDuration(int duration) {
+        mDuration = duration;
+    }
+
+    /**
+     * If you have added headeview, the notification view refreshes.
+     * Do not need to care about the number of headview, only need to pass in the position of the final view
+     *
+     * @param position
+     */
+    public final void refreshNotifyItemChanged(int position) {
+        notifyItemChanged(position + getHeaderLayoutCount());
+    }
+
+    /**
+     * Same as QuickAdapter#QuickAdapter(Context,int) but with
+     * some initialization data.
+     *
+     * @param layoutResId The layout resource id of each item.
+     * @param data        A new list is created out of this one to avoid mutable list
+     */
+    public BaseQuickAdapter(@LayoutRes int layoutResId, @Nullable List<T> data) {
+        this.mData = data == null ? new ArrayList<T>() : data;
+        if (layoutResId != 0) {
+            this.mLayoutResId = layoutResId;
+        }
+    }
+
+    public BaseQuickAdapter(@Nullable List<T> data) {
+        this(0, data);
+    }
+
+    public BaseQuickAdapter(@LayoutRes int layoutResId) {
+        this(layoutResId, null);
+    }
+
+    /**
+     * setting up a new instance to data;
+     *
+     * @param data
+     */
+    public void setNewData(@Nullable List<T> data) {
+        this.mData = data == null ? new ArrayList<T>() : data;
+        if (mRequestLoadMoreListener != null) {
+            mNextLoadEnable = true;
+            mLoadMoreEnable = true;
+            mLoading = false;
+            mLoadMoreView.setLoadMoreStatus(LoadMoreView.STATUS_DEFAULT);
+        }
+        mLastPosition = -1;
+        notifyDataSetChanged();
+    }
+
+    /**
+     * use Diff setting up a new instance to data
+     *
+     * @param baseQuickDiffCallback implementation {@link BaseQuickDiffCallback}
+     */
+    public void setNewDiffData(@NonNull BaseQuickDiffCallback<T> baseQuickDiffCallback) {
+        setNewDiffData(baseQuickDiffCallback, false);
+    }
+
+    /**
+     * use Diff setting up a new instance to data.
+     * this is sync, if you need use async, see {@link #setNewDiffData(DiffUtil.DiffResult, List)}.
+     *
+     * @param baseQuickDiffCallback implementation {@link BaseQuickDiffCallback}.
+     * @param detectMoves Whether to detect the movement of the Item
+     */
+    public void setNewDiffData(@NonNull BaseQuickDiffCallback<T> baseQuickDiffCallback, boolean detectMoves) {
+        if (getEmptyViewCount() == 1) {
+            // If the current view is an empty view, set the new data directly without diff
+            setNewData(baseQuickDiffCallback.getNewList());
+            return;
+        }
+        baseQuickDiffCallback.setOldList(this.getData());
+        DiffUtil.DiffResult diffResult = DiffUtil.calculateDiff(baseQuickDiffCallback, detectMoves);
+        diffResult.dispatchUpdatesTo(new BaseQuickAdapterListUpdateCallback(this));
+        mData = baseQuickDiffCallback.getNewList();
+    }
+
+    /**
+     * use DiffResult setting up a new instance to data
+     *
+     * If you need to use async computing Diff, please use this method.
+     * You only need to tell the calculation result,
+     * this adapter does not care about the calculation process.
+     *
+     * @param diffResult DiffResult
+     * @param newData New Data
+     */
+    public void setNewDiffData(@NonNull DiffUtil.DiffResult diffResult, @NonNull List<T> newData) {
+        if (getEmptyViewCount() == 1) {
+            // If the current view is an empty view, set the new data directly without diff
+            setNewData(newData);
+            return;
+        }
+        diffResult.dispatchUpdatesTo(new BaseQuickAdapterListUpdateCallback(BaseQuickAdapter.this));
+        mData = newData;
+    }
+
+    /**
+     * insert  a item associated with the specified position of adapter
+     *
+     * @param position
+     * @param item
+     * @deprecated use {@link #addData(int, Object)} instead
+     */
+    @Deprecated
+    public void add(@IntRange(from = 0) int position, @NonNull T item) {
+        addData(position, item);
+    }
+
+    /**
+     * add one new data in to certain location
+     *
+     * @param position
+     */
+    public void addData(@IntRange(from = 0) int position, @NonNull T data) {
+        mData.add(position, data);
+        notifyItemInserted(position + getHeaderLayoutCount());
+        compatibilityDataSizeChanged(1);
+    }
+
+    /**
+     * add one new data
+     */
+    public void addData(@NonNull T data) {
+        mData.add(data);
+        notifyItemInserted(mData.size() + getHeaderLayoutCount());
+        compatibilityDataSizeChanged(1);
+    }
+
+    /**
+     * remove the item associated with the specified position of adapter
+     *
+     * @param position
+     */
+    public void remove(@IntRange(from = 0) int position) {
+        mData.remove(position);
+        int internalPosition = position + getHeaderLayoutCount();
+        notifyItemRemoved(internalPosition);
+        compatibilityDataSizeChanged(0);
+        notifyItemRangeChanged(internalPosition, mData.size() - internalPosition);
+    }
+
+    /**
+     * change data
+     */
+    public void setData(@IntRange(from = 0) int index, @NonNull T data) {
+        mData.set(index, data);
+        notifyItemChanged(index + getHeaderLayoutCount());
+    }
+
+    /**
+     * add new data in to certain location
+     *
+     * @param position the insert position
+     * @param newData  the new data collection
+     */
+    public void addData(@IntRange(from = 0) int position, @NonNull Collection<? extends T> newData) {
+        mData.addAll(position, newData);
+        notifyItemRangeInserted(position + getHeaderLayoutCount(), newData.size());
+        compatibilityDataSizeChanged(newData.size());
+    }
+
+    /**
+     * add new data to the end of mData
+     *
+     * @param newData the new data collection
+     */
+    public void addData(@NonNull Collection<? extends T> newData) {
+        mData.addAll(newData);
+        notifyItemRangeInserted(mData.size() - newData.size() + getHeaderLayoutCount(), newData.size());
+        compatibilityDataSizeChanged(newData.size());
+    }
+
+    /**
+     * use data to replace all item in mData. this method is different {@link #setNewData(List)},
+     * it doesn't change the mData reference
+     *
+     * @param data data collection
+     */
+    public void replaceData(@NonNull Collection<? extends T> data) {
+        // 不是同一个引用才清空列表
+        if (data != mData) {
+            mData.clear();
+            mData.addAll(data);
+        }
+        notifyDataSetChanged();
+    }
+
+    /**
+     * compatible getLoadMoreViewCount and getEmptyViewCount may change
+     *
+     * @param size Need compatible data size
+     */
+    private void compatibilityDataSizeChanged(int size) {
+        final int dataSize = mData == null ? 0 : mData.size();
+        if (dataSize == size) {
+            notifyDataSetChanged();
+        }
+    }
+
+    /**
+     * Get the data of list
+     *
+     * @return 列表数据
+     */
+    @NonNull
+    public List<T> getData() {
+        return mData;
+    }
+
+    /**
+     * Get the data item associated with the specified position in the data set.
+     *
+     * @param position Position of the item whose data we want within the adapter's
+     *                 data set.
+     * @return The data at the specified position.
+     */
+    @Nullable
+    public T getItem(@IntRange(from = 0) int position) {
+        if (position >= 0 && position < mData.size())
+            return mData.get(position);
+        else
+            return null;
+    }
+
+    /**
+     * if setHeadView will be return 1 if not will be return 0.
+     * notice: Deprecated! Use {@link ViewGroup#getChildCount()} of {@link #getHeaderLayout()} to replace.
+     *
+     * @return
+     */
+    @Deprecated
+    public int getHeaderViewsCount() {
+        return getHeaderLayoutCount();
+    }
+
+    /**
+     * if mFooterLayout will be return 1 or not will be return 0.
+     * notice: Deprecated! Use {@link ViewGroup#getChildCount()} of {@link #getFooterLayout()} to replace.
+     *
+     * @return
+     */
+    @Deprecated
+    public int getFooterViewsCount() {
+        return getFooterLayoutCount();
+    }
+
+    /**
+     * if addHeaderView will be return 1, if not will be return 0
+     */
+    public int getHeaderLayoutCount() {
+        if (mHeaderLayout == null || mHeaderLayout.getChildCount() == 0) {
+            return 0;
+        }
+        return 1;
+    }
+
+    /**
+     * if addFooterView will be return 1, if not will be return 0
+     */
+    public int getFooterLayoutCount() {
+        if (mFooterLayout == null || mFooterLayout.getChildCount() == 0) {
+            return 0;
+        }
+        return 1;
+    }
+
+    /**
+     * if show empty view will be return 1 or not will be return 0
+     *
+     * @return
+     */
+    public int getEmptyViewCount() {
+        if (mEmptyLayout == null || mEmptyLayout.getChildCount() == 0) {
+            return 0;
+        }
+        if (!mIsUseEmpty) {
+            return 0;
+        }
+        if (mData.size() != 0) {
+            return 0;
+        }
+        return 1;
+    }
+
+    @Override
+    public int getItemCount() {
+        int count;
+        if (1 == getEmptyViewCount()) {
+            count = 1;
+            if (mHeadAndEmptyEnable && getHeaderLayoutCount() != 0) {
+                count++;
+            }
+            if (mFootAndEmptyEnable && getFooterLayoutCount() != 0) {
+                count++;
+            }
+        } else {
+            count = getHeaderLayoutCount() + mData.size() + getFooterLayoutCount() + getLoadMoreViewCount();
+        }
+        return count;
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        if (getEmptyViewCount() == 1) {
+            boolean header = mHeadAndEmptyEnable && getHeaderLayoutCount() != 0;
+            switch (position) {
+                case 0:
+                    if (header) {
+                        return HEADER_VIEW;
+                    } else {
+                        return EMPTY_VIEW;
+                    }
+                case 1:
+                    if (header) {
+                        return EMPTY_VIEW;
+                    } else {
+                        return FOOTER_VIEW;
+                    }
+                case 2:
+                    return FOOTER_VIEW;
+                default:
+                    return EMPTY_VIEW;
+            }
+        }
+        int numHeaders = getHeaderLayoutCount();
+        if (position < numHeaders) {
+            return HEADER_VIEW;
+        } else {
+            int adjPosition = position - numHeaders;
+            int adapterCount = mData.size();
+            if (adjPosition < adapterCount) {
+                return getDefItemViewType(adjPosition);
+            } else {
+                adjPosition = adjPosition - adapterCount;
+                int numFooters = getFooterLayoutCount();
+                if (adjPosition < numFooters) {
+                    return FOOTER_VIEW;
+                } else {
+                    return LOADING_VIEW;
+                }
+            }
+        }
+    }
+
+    protected int getDefItemViewType(int position) {
+        if (mMultiTypeDelegate != null) {
+            return mMultiTypeDelegate.getDefItemViewType(mData, position);
+        }
+        return super.getItemViewType(position);
+    }
+
+    @NonNull
+    @Override
+    public K onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        K baseViewHolder = null;
+        this.mContext = parent.getContext();
+        this.mLayoutInflater = LayoutInflater.from(mContext);
+        switch (viewType) {
+            case LOADING_VIEW:
+                baseViewHolder = getLoadingView(parent);
+                break;
+            case HEADER_VIEW:
+                baseViewHolder = createBaseViewHolder(mHeaderLayout);
+                break;
+            case EMPTY_VIEW:
+                baseViewHolder = createBaseViewHolder(mEmptyLayout);
+                break;
+            case FOOTER_VIEW:
+                baseViewHolder = createBaseViewHolder(mFooterLayout);
+                break;
+            default:
+                baseViewHolder = onCreateDefViewHolder(parent, viewType);
+                bindViewClickListener(baseViewHolder);
+        }
+        baseViewHolder.setAdapter(this);
+        return baseViewHolder;
+
+    }
+
+    private K getLoadingView(ViewGroup parent) {
+        View view = getItemView(mLoadMoreView.getLayoutId(), parent);
+        K holder = createBaseViewHolder(view);
+        holder.itemView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (mLoadMoreView.getLoadMoreStatus() == LoadMoreView.STATUS_FAIL) {
+                    notifyLoadMoreToLoading();
+                }
+                if (mEnableLoadMoreEndClick && mLoadMoreView.getLoadMoreStatus() == LoadMoreView.STATUS_END) {
+                    notifyLoadMoreToLoading();
+                }
+            }
+        });
+        return holder;
+    }
+
+    /**
+     * The notification starts the callback and loads more
+     */
+    public void notifyLoadMoreToLoading() {
+        if (mLoadMoreView.getLoadMoreStatus() == LoadMoreView.STATUS_LOADING) {
+            return;
+        }
+        mLoadMoreView.setLoadMoreStatus(LoadMoreView.STATUS_DEFAULT);
+        notifyItemChanged(getLoadMoreViewPosition());
+    }
+
+    /**
+     * Load more without data when settings are clicked loaded
+     *
+     * @param enable
+     */
+    public void enableLoadMoreEndClick(boolean enable) {
+        mEnableLoadMoreEndClick = enable;
+    }
+
+    /**
+     * Called when a view created by this adapter has been attached to a window.
+     * simple to solve item will layout using all
+     * {@link #setFullSpan(RecyclerView.ViewHolder)}
+     *
+     * @param holder
+     */
+    @Override
+    public void onViewAttachedToWindow(@NonNull K holder) {
+        super.onViewAttachedToWindow(holder);
+        int type = holder.getItemViewType();
+        if (type == EMPTY_VIEW || type == HEADER_VIEW || type == FOOTER_VIEW || type == LOADING_VIEW) {
+            setFullSpan(holder);
+        } else {
+            addAnimation(holder);
+        }
+    }
+
+    /**
+     * When set to true, the item will layout using all span area. That means, if orientation
+     * is vertical, the view will have full width; if orientation is horizontal, the view will
+     * have full height.
+     * if the hold view use StaggeredGridLayoutManager they should using all span area
+     *
+     * @param holder True if this item should traverse all spans.
+     */
+    protected void setFullSpan(RecyclerView.ViewHolder holder) {
+        if (holder.itemView.getLayoutParams() instanceof StaggeredGridLayoutManager.LayoutParams) {
+            StaggeredGridLayoutManager.LayoutParams params = (StaggeredGridLayoutManager.LayoutParams) holder
+                    .itemView.getLayoutParams();
+            params.setFullSpan(true);
+        }
+    }
+
+    @Override
+    public void onAttachedToRecyclerView(@NonNull final RecyclerView recyclerView) {
+        super.onAttachedToRecyclerView(recyclerView);
+        RecyclerView.LayoutManager manager = recyclerView.getLayoutManager();
+        if (manager instanceof GridLayoutManager) {
+            final GridLayoutManager gridManager = ((GridLayoutManager) manager);
+            gridManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
+                @Override
+                public int getSpanSize(int position) {
+                    int type = getItemViewType(position);
+                    if (type == HEADER_VIEW && isHeaderViewAsFlow()) {
+                        return 1;
+                    }
+                    if (type == FOOTER_VIEW && isFooterViewAsFlow()) {
+                        return 1;
+                    }
+                    if (mSpanSizeLookup == null) {
+                        return isFixedViewType(type) ? gridManager.getSpanCount() : 1;
+                    } else {
+                        return (isFixedViewType(type)) ? gridManager.getSpanCount() : mSpanSizeLookup.getSpanSize(gridManager,
+                                position - getHeaderLayoutCount());
+                    }
+                }
+
+
+            });
+        }
+    }
+
+    protected boolean isFixedViewType(int type) {
+        return type == EMPTY_VIEW || type == HEADER_VIEW || type == FOOTER_VIEW || type ==
+                LOADING_VIEW;
+    }
+
+
+    public void setHeaderViewAsFlow(boolean headerViewAsFlow) {
+        this.headerViewAsFlow = headerViewAsFlow;
+    }
+
+    public boolean isHeaderViewAsFlow() {
+        return headerViewAsFlow;
+    }
+
+    public void setFooterViewAsFlow(boolean footerViewAsFlow) {
+        this.footerViewAsFlow = footerViewAsFlow;
+    }
+
+    public boolean isFooterViewAsFlow() {
+        return footerViewAsFlow;
+    }
+
+    private SpanSizeLookup mSpanSizeLookup;
+
+    public interface SpanSizeLookup {
+        int getSpanSize(GridLayoutManager gridLayoutManager, int position);
+    }
+
+    /**
+     * @param spanSizeLookup instance to be used to query number of spans occupied by each item
+     */
+    public void setSpanSizeLookup(SpanSizeLookup spanSizeLookup) {
+        this.mSpanSizeLookup = spanSizeLookup;
+    }
+
+    /**
+     * To bind different types of holder and solve different the bind events
+     *
+     * @param holder
+     * @param position
+     * @see #getDefItemViewType(int)
+     */
+    @Override
+    public void onBindViewHolder(@NonNull K holder, int position) {
+        //Add up fetch logic, almost like load more, but simpler.
+        autoUpFetch(position);
+        //Do not move position, need to change before LoadMoreView binding
+        autoLoadMore(position);
+        int viewType = holder.getItemViewType();
+
+        switch (viewType) {
+            case 0:
+                convert(holder, getItem(position - getHeaderLayoutCount()));
+                break;
+            case LOADING_VIEW:
+                mLoadMoreView.convert(holder);
+                break;
+            case HEADER_VIEW:
+                break;
+            case EMPTY_VIEW:
+                break;
+            case FOOTER_VIEW:
+                break;
+            default:
+                convert(holder, getItem(position - getHeaderLayoutCount()));
+                break;
+        }
+    }
+
+    /**
+     * To bind different types of holder and solve different the bind events
+     *
+     * the ViewHolder is currently bound to old data and Adapter may run an efficient partial
+     * update using the payload info.  If the payload is empty,  Adapter run a full bind.
+     *
+     * @param holder The ViewHolder which should be updated to represent the contents of the
+     *               item at the given position in the data set.
+     * @param position The position of the item within the adapter's data set.
+     * @param payloads A non-null list of merged payloads. Can be empty list if requires full
+     *                 update.
+     * @see #getDefItemViewType(int)
+     */
+    @Override
+    public void onBindViewHolder(@NonNull K holder, int position, @NonNull List<Object> payloads) {
+        if (payloads.isEmpty()) {
+            onBindViewHolder(holder, position);
+            return;
+        }
+        //Add up fetch logic, almost like load more, but simpler.
+        autoUpFetch(position);
+        //Do not move position, need to change before LoadMoreView binding
+        autoLoadMore(position);
+        int viewType = holder.getItemViewType();
+
+        switch (viewType) {
+            case 0:
+                convertPayloads(holder, getItem(position - getHeaderLayoutCount()), payloads);
+                break;
+            case LOADING_VIEW:
+                mLoadMoreView.convert(holder);
+                break;
+            case HEADER_VIEW:
+                break;
+            case EMPTY_VIEW:
+                break;
+            case FOOTER_VIEW:
+                break;
+            default:
+                convertPayloads(holder, getItem(position - getHeaderLayoutCount()), payloads);
+                break;
+        }
+    }
+
+
+    private void bindViewClickListener(final BaseViewHolder baseViewHolder) {
+        if (baseViewHolder == null) {
+            return;
+        }
+        final View view = baseViewHolder.itemView;
+        if (getOnItemClickListener() != null) {
+            view.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    int position = baseViewHolder.getAdapterPosition();
+                    if (position == RecyclerView.NO_POSITION) {
+                        return;
+                    }
+                    position -= getHeaderLayoutCount();
+                    setOnItemClick(v, position);
+                }
+            });
+        }
+        if (getOnItemLongClickListener() != null) {
+            view.setOnLongClickListener(new View.OnLongClickListener() {
+                @Override
+                public boolean onLongClick(View v) {
+                    int position = baseViewHolder.getAdapterPosition();
+                    if (position == RecyclerView.NO_POSITION) {
+                        return false;
+                    }
+                    position -= getHeaderLayoutCount();
+                    return setOnItemLongClick(v, position);
+                }
+            });
+        }
+    }
+
+    /**
+     * override this method if you want to override click event logic
+     *
+     * @param v
+     * @param position
+     */
+    public void setOnItemClick(View v, int position) {
+        getOnItemClickListener().onItemClick(BaseQuickAdapter.this, v, position);
+    }
+
+    /**
+     * override this method if you want to override longClick event logic
+     *
+     * @param v
+     * @param position
+     * @return
+     */
+    public boolean setOnItemLongClick(View v, int position) {
+        return getOnItemLongClickListener().onItemLongClick(BaseQuickAdapter.this, v, position);
+    }
+
+    private MultiTypeDelegate<T> mMultiTypeDelegate;
+
+    public void setMultiTypeDelegate(MultiTypeDelegate<T> multiTypeDelegate) {
+        mMultiTypeDelegate = multiTypeDelegate;
+    }
+
+    public MultiTypeDelegate<T> getMultiTypeDelegate() {
+        return mMultiTypeDelegate;
+    }
+
+    protected K onCreateDefViewHolder(ViewGroup parent, int viewType) {
+        int layoutId = mLayoutResId;
+        if (mMultiTypeDelegate != null) {
+            layoutId = mMultiTypeDelegate.getLayoutId(viewType);
+        }
+        return createBaseViewHolder(parent, layoutId);
+    }
+
+    protected K createBaseViewHolder(ViewGroup parent, int layoutResId) {
+        return createBaseViewHolder(getItemView(layoutResId, parent));
+    }
+
+    /**
+     * if you want to use subclass of BaseViewHolder in the adapter,
+     * you must override the method to create new ViewHolder.
+     *
+     * @param view view
+     * @return new ViewHolder
+     */
+    @SuppressWarnings("unchecked")
+    protected K createBaseViewHolder(View view) {
+        Class temp = getClass();
+        Class z = null;
+        while (z == null && null != temp) {
+            z = getInstancedGenericKClass(temp);
+            temp = temp.getSuperclass();
+        }
+        K k;
+        // 泛型擦除会导致z为null
+        if (z == null) {
+            k = (K) new BaseViewHolder(view);
+        } else {
+            k = createGenericKInstance(z, view);
+        }
+        return k != null ? k : (K) new BaseViewHolder(view);
+    }
+
+    /**
+     * try to create Generic K instance
+     *
+     * @param z
+     * @param view
+     * @return
+     */
+    @SuppressWarnings("unchecked")
+    private K createGenericKInstance(Class z, View view) {
+        try {
+            Constructor constructor;
+            // inner and unstatic class
+            if (z.isMemberClass() && !Modifier.isStatic(z.getModifiers())) {
+                constructor = z.getDeclaredConstructor(getClass(), View.class);
+                constructor.setAccessible(true);
+                return (K) constructor.newInstance(this, view);
+            } else {
+                constructor = z.getDeclaredConstructor(View.class);
+                constructor.setAccessible(true);
+                return (K) constructor.newInstance(view);
+            }
+        } catch (NoSuchMethodException e) {
+            e.printStackTrace();
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        } catch (InstantiationException e) {
+            e.printStackTrace();
+        } catch (InvocationTargetException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * get generic parameter K
+     *
+     * @param z
+     * @return
+     */
+    private Class getInstancedGenericKClass(Class z) {
+        Type type = z.getGenericSuperclass();
+        if (type instanceof ParameterizedType) {
+            Type[] types = ((ParameterizedType) type).getActualTypeArguments();
+            for (Type temp : types) {
+                if (temp instanceof Class) {
+                    Class tempClass = (Class) temp;
+                    if (BaseViewHolder.class.isAssignableFrom(tempClass)) {
+                        return tempClass;
+                    }
+                } else if (temp instanceof ParameterizedType) {
+                    Type rawType = ((ParameterizedType) temp).getRawType();
+                    if (rawType instanceof Class && BaseViewHolder.class.isAssignableFrom((Class<?>) rawType)) {
+                        return (Class<?>) rawType;
+                    }
+                }
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Return root layout of header
+     */
+
+    public LinearLayout getHeaderLayout() {
+        return mHeaderLayout;
+    }
+
+    /**
+     * Return root layout of footer
+     */
+    public LinearLayout getFooterLayout() {
+        return mFooterLayout;
+    }
+
+    /**
+     * Append header to the rear of the mHeaderLayout.
+     *
+     * @param header
+     */
+    public int addHeaderView(View header) {
+        return addHeaderView(header, -1);
+    }
+
+    /**
+     * Add header view to mHeaderLayout and set header view position in mHeaderLayout.
+     * When index = -1 or index >= child count in mHeaderLayout,
+     * the effect of this method is the same as that of {@link #addHeaderView(View)}.
+     *
+     * @param header
+     * @param index  the position in mHeaderLayout of this header.
+     *               When index = -1 or index >= child count in mHeaderLayout,
+     *               the effect of this method is the same as that of {@link #addHeaderView(View)}.
+     */
+    public int addHeaderView(View header, int index) {
+        return addHeaderView(header, index, LinearLayout.VERTICAL);
+    }
+
+    /**
+     * @param header
+     * @param index
+     * @param orientation
+     */
+    public int addHeaderView(View header,final int index, int orientation) {
+        if (mHeaderLayout == null) {
+            mHeaderLayout = new LinearLayout(header.getContext());
+            if (orientation == LinearLayout.VERTICAL) {
+                mHeaderLayout.setOrientation(LinearLayout.VERTICAL);
+                mHeaderLayout.setLayoutParams(new RecyclerView.LayoutParams(MATCH_PARENT, WRAP_CONTENT));
+            } else {
+                mHeaderLayout.setOrientation(LinearLayout.HORIZONTAL);
+                mHeaderLayout.setLayoutParams(new RecyclerView.LayoutParams(WRAP_CONTENT, MATCH_PARENT));
+            }
+        }
+        final int childCount = mHeaderLayout.getChildCount();
+        int mIndex =index;
+        if (index < 0 || index > childCount) {
+            mIndex = childCount;
+        }
+        mHeaderLayout.addView(header, mIndex);
+        if (mHeaderLayout.getChildCount() == 1) {
+            int position = getHeaderViewPosition();
+            if (position != -1) {
+                notifyItemInserted(position);
+            }
+        }
+        return mIndex;
+    }
+
+    public int setHeaderView(View header) {
+        return setHeaderView(header, 0, LinearLayout.VERTICAL);
+    }
+
+    public int setHeaderView(View header, int index) {
+        return setHeaderView(header, index, LinearLayout.VERTICAL);
+    }
+
+    public int setHeaderView(View header, int index, int orientation) {
+        if (mHeaderLayout == null || mHeaderLayout.getChildCount() <= index) {
+            return addHeaderView(header, index, orientation);
+        } else {
+            mHeaderLayout.removeViewAt(index);
+            mHeaderLayout.addView(header, index);
+            return index;
+        }
+    }
+
+    /**
+     * Append footer to the rear of the mFooterLayout.
+     *
+     * @param footer
+     */
+    public int addFooterView(View footer) {
+        return addFooterView(footer, -1, LinearLayout.VERTICAL);
+    }
+
+    public int addFooterView(View footer, int index) {
+        return addFooterView(footer, index, LinearLayout.VERTICAL);
+    }
+
+    /**
+     * Add footer view to mFooterLayout and set footer view position in mFooterLayout.
+     * When index = -1 or index >= child count in mFooterLayout,
+     * the effect of this method is the same as that of {@link #addFooterView(View)}.
+     *
+     * @param footer
+     * @param index  the position in mFooterLayout of this footer.
+     *               When index = -1 or index >= child count in mFooterLayout,
+     *               the effect of this method is the same as that of {@link #addFooterView(View)}.
+     */
+    public int addFooterView(View footer, int index, int orientation) {
+        if (mFooterLayout == null) {
+            mFooterLayout = new LinearLayout(footer.getContext());
+            if (orientation == LinearLayout.VERTICAL) {
+                mFooterLayout.setOrientation(LinearLayout.VERTICAL);
+                mFooterLayout.setLayoutParams(new RecyclerView.LayoutParams(MATCH_PARENT, WRAP_CONTENT));
+            } else {
+                mFooterLayout.setOrientation(LinearLayout.HORIZONTAL);
+                mFooterLayout.setLayoutParams(new RecyclerView.LayoutParams(WRAP_CONTENT, MATCH_PARENT));
+            }
+        }
+        final int childCount = mFooterLayout.getChildCount();
+        if (index < 0 || index > childCount) {
+            index = childCount;
+        }
+        mFooterLayout.addView(footer, index);
+        if (mFooterLayout.getChildCount() == 1) {
+            int position = getFooterViewPosition();
+            if (position != -1) {
+                notifyItemInserted(position);
+            }
+        }
+        return index;
+    }
+
+    public int setFooterView(View header) {
+        return setFooterView(header, 0, LinearLayout.VERTICAL);
+    }
+
+    public int setFooterView(View header, int index) {
+        return setFooterView(header, index, LinearLayout.VERTICAL);
+    }
+
+    public int setFooterView(View header, int index, int orientation) {
+        if (mFooterLayout == null || mFooterLayout.getChildCount() <= index) {
+            return addFooterView(header, index, orientation);
+        } else {
+            mFooterLayout.removeViewAt(index);
+            mFooterLayout.addView(header, index);
+            return index;
+        }
+    }
+
+    /**
+     * remove header view from mHeaderLayout.
+     * When the child count of mHeaderLayout is 0, mHeaderLayout will be set to null.
+     *
+     * @param header
+     */
+    public void removeHeaderView(View header) {
+        if (getHeaderLayoutCount() == 0) return;
+
+        mHeaderLayout.removeView(header);
+        if (mHeaderLayout.getChildCount() == 0) {
+            int position = getHeaderViewPosition();
+            if (position != -1) {
+                notifyItemRemoved(position);
+            }
+        }
+    }
+
+    /**
+     * remove footer view from mFooterLayout,
+     * When the child count of mFooterLayout is 0, mFooterLayout will be set to null.
+     *
+     * @param footer
+     */
+    public void removeFooterView(View footer) {
+        if (getFooterLayoutCount() == 0) return;
+
+        mFooterLayout.removeView(footer);
+        if (mFooterLayout.getChildCount() == 0) {
+            int position = getFooterViewPosition();
+            if (position != -1) {
+                notifyItemRemoved(position);
+            }
+        }
+    }
+
+    /**
+     * remove all header view from mHeaderLayout and set null to mHeaderLayout
+     */
+    public void removeAllHeaderView() {
+        if (getHeaderLayoutCount() == 0) return;
+
+        mHeaderLayout.removeAllViews();
+        int position = getHeaderViewPosition();
+        if (position != -1) {
+            notifyItemRemoved(position);
+        }
+    }
+
+    /**
+     * remove all footer view from mFooterLayout and set null to mFooterLayout
+     */
+    public void removeAllFooterView() {
+        if (getFooterLayoutCount() == 0) return;
+
+        mFooterLayout.removeAllViews();
+        int position = getFooterViewPosition();
+        if (position != -1) {
+            notifyItemRemoved(position);
+        }
+    }
+
+    private int getHeaderViewPosition() {
+        //Return to header view notify position
+        if (getEmptyViewCount() == 1) {
+            if (mHeadAndEmptyEnable) {
+                return 0;
+            }
+        } else {
+            return 0;
+        }
+        return -1;
+    }
+
+    private int getFooterViewPosition() {
+        //Return to footer view notify position
+        if (getEmptyViewCount() == 1) {
+            int position = 1;
+            if (mHeadAndEmptyEnable && getHeaderLayoutCount() != 0) {
+                position++;
+            }
+            if (mFootAndEmptyEnable) {
+                return position;
+            }
+        } else {
+            return getHeaderLayoutCount() + mData.size();
+        }
+        return -1;
+    }
+
+    public void setEmptyView(int layoutResId, ViewGroup viewGroup) {
+        View view = LayoutInflater.from(viewGroup.getContext()).inflate(layoutResId, viewGroup, false);
+        setEmptyView(view);
+    }
+
+    /**
+     * bind recyclerView {@link #bindToRecyclerView(RecyclerView)} before use!
+     * Recommend you to use {@link #setEmptyView(int, ViewGroup)}
+     *
+     * @see #bindToRecyclerView(RecyclerView)
+     */
+    @Deprecated
+    public void setEmptyView(int layoutResId) {
+        checkNotNull();
+        setEmptyView(layoutResId, getRecyclerView());
+    }
+
+    public void setEmptyView(View emptyView) {
+        int oldItemCount = getItemCount();
+        boolean insert = false;
+        if (mEmptyLayout == null) {
+            mEmptyLayout = new FrameLayout(emptyView.getContext());
+            final RecyclerView.LayoutParams layoutParams = new RecyclerView.LayoutParams(RecyclerView.LayoutParams.MATCH_PARENT, RecyclerView.LayoutParams.MATCH_PARENT);
+            final ViewGroup.LayoutParams lp = emptyView.getLayoutParams();
+            if (lp != null) {
+                layoutParams.width = lp.width;
+                layoutParams.height = lp.height;
+            }
+            mEmptyLayout.setLayoutParams(layoutParams);
+            insert = true;
+        }
+        mEmptyLayout.removeAllViews();
+        mEmptyLayout.addView(emptyView);
+        mIsUseEmpty = true;
+        if (insert && getEmptyViewCount() == 1) {
+            int position = 0;
+            if (mHeadAndEmptyEnable && getHeaderLayoutCount() != 0) {
+                position++;
+            }
+            if (getItemCount() > oldItemCount) {
+                notifyItemInserted(position);
+            } else {
+                notifyDataSetChanged();
+            }
+        }
+    }
+
+    /**
+     * Call before {@link RecyclerView#setAdapter(RecyclerView.Adapter)}
+     *
+     * @param isHeadAndEmpty false will not show headView if the data is empty true will show emptyView and headView
+     */
+    public void setHeaderAndEmpty(boolean isHeadAndEmpty) {
+        setHeaderFooterEmpty(isHeadAndEmpty, false);
+    }
+
+    /**
+     * set emptyView show if adapter is empty and want to show headview and footview
+     * Call before {@link RecyclerView#setAdapter(RecyclerView.Adapter)}
+     *
+     * @param isHeadAndEmpty
+     * @param isFootAndEmpty
+     */
+    public void setHeaderFooterEmpty(boolean isHeadAndEmpty, boolean isFootAndEmpty) {
+        mHeadAndEmptyEnable = isHeadAndEmpty;
+        mFootAndEmptyEnable = isFootAndEmpty;
+    }
+
+    /**
+     * Set whether to use empty view
+     *
+     * @param isUseEmpty
+     */
+    public void isUseEmpty(boolean isUseEmpty) {
+        mIsUseEmpty = isUseEmpty;
+    }
+
+    /**
+     * When the current adapter is empty, the BaseQuickAdapter can display a special view
+     * called the empty view. The empty view is used to provide feedback to the user
+     * that no data is available in this AdapterView.
+     *
+     * @return The view to show if the adapter is empty.
+     */
+    public View getEmptyView() {
+        return mEmptyLayout;
+    }
+
+
+    @Deprecated
+    public void setAutoLoadMoreSize(int preLoadNumber) {
+        setPreLoadNumber(preLoadNumber);
+    }
+
+    public void setPreLoadNumber(int preLoadNumber) {
+        if (preLoadNumber > 1) {
+            mPreLoadNumber = preLoadNumber;
+        }
+    }
+
+    private void autoLoadMore(int position) {
+        if (getLoadMoreViewCount() == 0) {
+            return;
+        }
+        if (position < getItemCount() - mPreLoadNumber) {
+            return;
+        }
+        if (mLoadMoreView.getLoadMoreStatus() != LoadMoreView.STATUS_DEFAULT) {
+            return;
+        }
+        mLoadMoreView.setLoadMoreStatus(LoadMoreView.STATUS_LOADING);
+        if (!mLoading) {
+            mLoading = true;
+            if (getRecyclerView() != null) {
+                getRecyclerView().post(new Runnable() {
+                    @Override
+                    public void run() {
+                        mRequestLoadMoreListener.onLoadMoreRequested();
+                    }
+                });
+            } else {
+                mRequestLoadMoreListener.onLoadMoreRequested();
+            }
+        }
+    }
+
+
+    /**
+     * add animation when you want to show time
+     *
+     * @param holder
+     */
+    private void addAnimation(RecyclerView.ViewHolder holder) {
+        if (mOpenAnimationEnable) {
+            if (!mFirstOnlyEnable || holder.getLayoutPosition() > mLastPosition) {
+                BaseAnimation animation = null;
+                if (mCustomAnimation != null) {
+                    animation = mCustomAnimation;
+                } else {
+                    animation = mSelectAnimation;
+                }
+                for (Animator anim : animation.getAnimators(holder.itemView)) {
+                    startAnim(anim, holder.getLayoutPosition());
+                }
+                mLastPosition = holder.getLayoutPosition();
+            }
+        }
+    }
+
+    /**
+     * set anim to start when loading
+     *
+     * @param anim
+     * @param index
+     */
+    protected void startAnim(Animator anim, int index) {
+        anim.setDuration(mDuration).start();
+        anim.setInterpolator(mInterpolator);
+    }
+
+    /**
+     * @param layoutResId ID for an XML layout resource to load
+     * @param parent      Optional view to be the parent of the generated hierarchy or else simply an object that
+     *                    provides a set of LayoutParams values for root of the returned
+     *                    hierarchy
+     * @return view will be return
+     */
+    protected View getItemView(@LayoutRes int layoutResId, ViewGroup parent) {
+        return mLayoutInflater.inflate(layoutResId, parent, false);
+    }
+
+
+    public interface RequestLoadMoreListener {
+
+        void onLoadMoreRequested();
+
+    }
+
+
+    /**
+     * Set the view animation type.
+     *
+     * @param animationType One of {@link #ALPHAIN}, {@link #SCALEIN}, {@link #SLIDEIN_BOTTOM},
+     *                      {@link #SLIDEIN_LEFT}, {@link #SLIDEIN_RIGHT}.
+     */
+    public void openLoadAnimation(@AnimationType int animationType) {
+        this.mOpenAnimationEnable = true;
+        mCustomAnimation = null;
+        switch (animationType) {
+            case ALPHAIN:
+                mSelectAnimation = new AlphaInAnimation();
+                break;
+            case SCALEIN:
+                mSelectAnimation = new ScaleInAnimation();
+                break;
+            case SLIDEIN_BOTTOM:
+                mSelectAnimation = new SlideInBottomAnimation();
+                break;
+            case SLIDEIN_LEFT:
+                mSelectAnimation = new SlideInLeftAnimation();
+                break;
+            case SLIDEIN_RIGHT:
+                mSelectAnimation = new SlideInRightAnimation();
+                break;
+            default:
+                break;
+        }
+    }
+
+    /**
+     * Set Custom ObjectAnimator
+     *
+     * @param animation ObjectAnimator
+     */
+    public void openLoadAnimation(BaseAnimation animation) {
+        this.mOpenAnimationEnable = true;
+        this.mCustomAnimation = animation;
+    }
+
+    /**
+     * To open the animation when loading
+     */
+    public void openLoadAnimation() {
+        this.mOpenAnimationEnable = true;
+    }
+
+    /**
+     * To close the animation when loading
+     */
+    public void closeLoadAnimation() {
+        this.mOpenAnimationEnable = false;
+    }
+
+    /**
+     * {@link #addAnimation(RecyclerView.ViewHolder)}
+     *
+     * @param firstOnly true just show anim when first loading false show anim when load the data every time
+     */
+    public void isFirstOnly(boolean firstOnly) {
+        this.mFirstOnlyEnable = firstOnly;
+    }
+
+    /**
+     * Implement this method and use the helper to adapt the view to the given item.
+     *
+     * @param helper A fully initialized helper.
+     * @param item   The item that needs to be displayed.
+     */
+    protected abstract void convert(@NonNull K helper, T item);
+
+    /**
+     * Optional implementation this method and use the helper to adapt the view to the given item.
+     *
+     * If {@link DiffUtil.Callback#getChangePayload(int, int)} is implemented,
+     * then {@link BaseQuickAdapter#convert(BaseViewHolder, Object)} will not execute, and will
+     * perform this method, Please implement this method for partial refresh.
+     *
+     * If use {@link RecyclerView.Adapter#notifyItemChanged(int, Object)} with payload,
+     * Will execute this method.
+     *
+     *
+     * @param helper   A fully initialized helper.
+     * @param item     The item that needs to be displayed.
+     * @param payloads payload info.
+     */
+    protected void convertPayloads(@NonNull K helper, T item, @NonNull List<Object> payloads) {}
+
+    /**
+     * get the specific view by position,e.g. getViewByPosition(2, R.id.textView)
+     * <p>
+     * bind recyclerView {@link #bindToRecyclerView(RecyclerView)} before use!
+     *
+     * @see #bindToRecyclerView(RecyclerView)
+     */
+    @Nullable
+    public View getViewByPosition(int position, @IdRes int viewId) {
+        checkNotNull();
+        return getViewByPosition(getRecyclerView(), position, viewId);
+    }
+
+    @Nullable
+    public View getViewByPosition(RecyclerView recyclerView, int position, @IdRes int viewId) {
+        if (recyclerView == null) {
+            return null;
+        }
+        BaseViewHolder viewHolder = (BaseViewHolder) recyclerView.findViewHolderForLayoutPosition(position);
+        if (viewHolder == null) {
+            return null;
+        }
+        return viewHolder.getView(viewId);
+    }
+
+    /**
+     * Get the row id associated with the specified position in the list.
+     *
+     * @param position The position of the item within the adapter's data set whose row id we want.
+     * @return The id of the item at the specified position.
+     */
+    @Override
+    public long getItemId(int position) {
+        return position;
+    }
+
+    @SuppressWarnings("unchecked")
+    private int recursiveExpand(int position, @NonNull List list) {
+        int count = list.size();
+        int pos = position + list.size() - 1;
+        for (int i = list.size() - 1; i >= 0; i--, pos--) {
+            if (list.get(i) instanceof IExpandable) {
+                IExpandable item = (IExpandable) list.get(i);
+                if (item.isExpanded() && hasSubItems(item)) {
+                    List subList = item.getSubItems();
+                    mData.addAll(pos + 1, subList);
+                    int subItemCount = recursiveExpand(pos + 1, subList);
+                    count += subItemCount;
+                }
+            }
+        }
+        return count;
+
+    }
+
+    /**
+     * Expand an expandable item
+     *
+     * @param position     position of the item
+     * @param animate      expand items with animation
+     * @param shouldNotify notify the RecyclerView to rebind items, <strong>false</strong> if you want to do it
+     *                     yourself.
+     * @return the number of items that have been added.
+     */
+    @SuppressWarnings("unchecked")
+    public int expand(@IntRange(from = 0) int position, boolean animate, boolean shouldNotify) {
+        position -= getHeaderLayoutCount();
+
+        IExpandable expandable = getExpandableItem(position);
+        if (expandable == null) {
+            return 0;
+        }
+        if (!hasSubItems(expandable)) {
+            expandable.setExpanded(true);
+            notifyItemChanged(position);
+            return 0;
+        }
+        int subItemCount = 0;
+        if (!expandable.isExpanded()) {
+            List list = expandable.getSubItems();
+            mData.addAll(position + 1, list);
+            subItemCount += recursiveExpand(position + 1, list);
+
+            expandable.setExpanded(true);
+//            subItemCount += list.size();
+        }
+        int parentPos = position + getHeaderLayoutCount();
+        if (shouldNotify) {
+            if (animate) {
+                notifyItemChanged(parentPos);
+                notifyItemRangeInserted(parentPos + 1, subItemCount);
+            } else {
+                notifyDataSetChanged();
+            }
+        }
+        return subItemCount;
+    }
+
+    /**
+     * Expand an expandable item
+     *
+     * @param position position of the item, which includes the header layout count.
+     * @param animate  expand items with animation
+     * @return the number of items that have been added.
+     */
+    public int expand(@IntRange(from = 0) int position, boolean animate) {
+        return expand(position, animate, true);
+    }
+
+    /**
+     * Expand an expandable item with animation.
+     *
+     * @param position position of the item, which includes the header layout count.
+     * @return the number of items that have been added.
+     */
+    public int expand(@IntRange(from = 0) int position) {
+        return expand(position, true, true);
+    }
+
+    public int expandAll(int position, boolean animate, boolean notify) {
+        position -= getHeaderLayoutCount();
+
+        T endItem = null;
+        if (position + 1 < this.mData.size()) {
+            endItem = getItem(position + 1);
+        }
+
+        IExpandable expandable = getExpandableItem(position);
+        if (expandable == null) {
+            return 0;
+        }
+
+        if (!hasSubItems(expandable)) {
+            expandable.setExpanded(true);
+            notifyItemChanged(position);
+            return 0;
+        }
+
+        int count = expand(position + getHeaderLayoutCount(), false, false);
+        for (int i = position + 1; i < this.mData.size(); i++) {
+            T item = getItem(i);
+
+            if (item != null && item.equals(endItem)) {
+                break;
+            }
+            if (isExpandable(item)) {
+                count += expand(i + getHeaderLayoutCount(), false, false);
+            }
+        }
+
+        if (notify) {
+            if (animate) {
+                notifyItemRangeInserted(position + getHeaderLayoutCount() + 1, count);
+            } else {
+                notifyDataSetChanged();
+            }
+        }
+        return count;
+    }
+
+    /**
+     * expand the item and all its subItems
+     *
+     * @param position position of the item, which includes the header layout count.
+     * @param init     whether you are initializing the recyclerView or not.
+     *                 if <strong>true</strong>, it won't notify recyclerView to redraw UI.
+     * @return the number of items that have been added to the adapter.
+     */
+    public int expandAll(int position, boolean init) {
+        return expandAll(position, true, !init);
+    }
+
+    public void expandAll() {
+
+        for (int i = mData.size() - 1 + getHeaderLayoutCount(); i >= getHeaderLayoutCount(); i--) {
+            expandAll(i, false, false);
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    private int recursiveCollapse(@IntRange(from = 0) int position) {
+        T item = getItem(position);
+        if (item == null || !isExpandable(item)) {
+            return 0;
+        }
+        IExpandable expandable = (IExpandable) item;
+        if (!expandable.isExpanded()) {
+            return 0;
+        }
+        List<T> collapseList = new ArrayList<>();
+        int itemLevel = expandable.getLevel();
+        T itemTemp;
+        for (int i = position + 1, n = mData.size(); i < n; i++) {
+            itemTemp = mData.get(i);
+            if (itemTemp instanceof IExpandable && ((IExpandable) itemTemp).getLevel() == itemLevel) {
+                break;
+            }
+            collapseList.add(itemTemp);
+        }
+        mData.removeAll(collapseList);
+        return collapseList.size();
+    }
+
+    /**
+     * Collapse an expandable item that has been expanded..
+     *
+     * @param position the position of the item, which includes the header layout count.
+     * @param animate  collapse with animation or not.
+     * @param notify   notify the recyclerView refresh UI or not.
+     * @return the number of subItems collapsed.
+     */
+    public int collapse(@IntRange(from = 0) int position, boolean animate, boolean notify) {
+        position -= getHeaderLayoutCount();
+
+        IExpandable expandable = getExpandableItem(position);
+        if (expandable == null) {
+            return 0;
+        }
+        int subItemCount = recursiveCollapse(position);
+        expandable.setExpanded(false);
+        int parentPos = position + getHeaderLayoutCount();
+        if (notify) {
+            if (animate) {
+                notifyItemChanged(parentPos);
+                notifyItemRangeRemoved(parentPos + 1, subItemCount);
+            } else {
+                notifyDataSetChanged();
+            }
+        }
+        return subItemCount;
+    }
+
+    /**
+     * Collapse an expandable item that has been expanded..
+     *
+     * @param position the position of the item, which includes the header layout count.
+     * @return the number of subItems collapsed.
+     */
+    public int collapse(@IntRange(from = 0) int position) {
+        return collapse(position, true, true);
+    }
+
+    /**
+     * Collapse an expandable item that has been expanded..
+     *
+     * @param position the position of the item, which includes the header layout count.
+     * @return the number of subItems collapsed.
+     */
+    public int collapse(@IntRange(from = 0) int position, boolean animate) {
+        return collapse(position, animate, true);
+    }
+
+    private int getItemPosition(T item) {
+        return item != null && mData != null && !mData.isEmpty() ? mData.indexOf(item) : -1;
+    }
+
+    public boolean hasSubItems(IExpandable item) {
+        if (item == null) {
+            return false;
+        }
+        List list = item.getSubItems();
+        return list != null && list.size() > 0;
+    }
+
+    public boolean isExpandable(T item) {
+        return item != null && item instanceof IExpandable;
+    }
+
+    private IExpandable getExpandableItem(int position) {
+        T item = getItem(position);
+        if (isExpandable(item)) {
+            return (IExpandable) item;
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Get the parent item position of the IExpandable item
+     *
+     * @return return the closest parent item position of the IExpandable.
+     * if the IExpandable item's level is 0, return itself position.
+     * if the item's level is negative which mean do not implement this, return a negative
+     * if the item is not exist in the data list, return a negative.
+     */
+    public int getParentPosition(@NonNull T item) {
+        int position = getItemPosition(item);
+        if (position == -1) {
+            return -1;
+        }
+
+        // if the item is IExpandable, return a closest IExpandable item position whose level smaller than this.
+        // if it is not, return the closest IExpandable item position whose level is not negative
+        int level;
+        if (item instanceof IExpandable) {
+            level = ((IExpandable) item).getLevel();
+        } else {
+            level = Integer.MAX_VALUE;
+        }
+        if (level == 0) {
+            return position;
+        } else if (level == -1) {
+            return -1;
+        }
+
+        for (int i = position; i >= 0; i--) {
+            T temp = mData.get(i);
+            if (temp instanceof IExpandable) {
+                IExpandable expandable = (IExpandable) temp;
+                if (expandable.getLevel() >= 0 && expandable.getLevel() < level) {
+                    return i;
+                }
+            }
+        }
+        return -1;
+    }
+
+    /**
+     * Interface definition for a callback to be invoked when an itemchild in this
+     * view has been clicked
+     */
+    public interface OnItemChildClickListener {
+        /**
+         * callback method to be invoked when an itemchild in this view has been click
+         * @param adapter
+         * @param view     The view whihin the ItemView that was clicked
+         * @param position The position of the view int the adapter
+         */
+        void onItemChildClick(BaseQuickAdapter adapter, View view, int position);
+    }
+
+
+    /**
+     * Interface definition for a callback to be invoked when an childView in this
+     * view has been clicked and held.
+     */
+    public interface OnItemChildLongClickListener {
+        /**
+         * callback method to be invoked when an item in this view has been
+         * click and held
+         * @param adapter  this BaseQuickAdapter adapter
+         * @param view     The childView whihin the itemView that was clicked and held.
+         * @param position The position of the view int the adapter
+         * @return true if the callback consumed the long click ,false otherwise
+         */
+        boolean onItemChildLongClick(BaseQuickAdapter adapter, View view, int position);
+    }
+
+    /**
+     * Interface definition for a callback to be invoked when an item in this
+     * view has been clicked and held.
+     */
+    public interface OnItemLongClickListener {
+        /**
+         * callback method to be invoked when an item in this view has been
+         * click and held
+         *
+         * @param adapter  the adpater
+         * @param view     The view whihin the RecyclerView that was clicked and held.
+         * @param position The position of the view int the adapter
+         * @return true if the callback consumed the long click ,false otherwise
+         */
+        boolean onItemLongClick(BaseQuickAdapter adapter, View view, int position);
+    }
+
+
+    /**
+     * Interface definition for a callback to be invoked when an item in this
+     * RecyclerView itemView has been clicked.
+     */
+    public interface OnItemClickListener {
+
+        /**
+         * Callback method to be invoked when an item in this RecyclerView has
+         * been clicked.
+         *
+         * @param adapter  the adpater
+         * @param view     The itemView within the RecyclerView that was clicked (this
+         *                 will be a view provided by the adapter)
+         * @param position The position of the view in the adapter.
+         */
+        void onItemClick(BaseQuickAdapter adapter, View view, int position);
+    }
+
+    /**
+     * Register a callback to be invoked when an item in this RecyclerView has
+     * been clicked.
+     *
+     * @param listener The callback that will be invoked.
+     */
+    public void setOnItemClickListener(@Nullable OnItemClickListener listener) {
+        mOnItemClickListener = listener;
+    }
+
+    /**
+     * Register a callback to be invoked when an itemchild in View has
+     * been  clicked
+     *
+     * @param listener The callback that will run
+     */
+    public void setOnItemChildClickListener(OnItemChildClickListener listener) {
+        mOnItemChildClickListener = listener;
+    }
+
+    /**
+     * Register a callback to be invoked when an item in this RecyclerView has
+     * been long clicked and held
+     *
+     * @param listener The callback that will run
+     */
+    public void setOnItemLongClickListener(OnItemLongClickListener listener) {
+        mOnItemLongClickListener = listener;
+    }
+
+    /**
+     * Register a callback to be invoked when an itemchild  in this View has
+     * been long clicked and held
+     *
+     * @param listener The callback that will run
+     */
+    public void setOnItemChildLongClickListener(OnItemChildLongClickListener listener) {
+        mOnItemChildLongClickListener = listener;
+    }
+
+
+    /**
+     * @return The callback to be invoked with an item in this RecyclerView has
+     * been long clicked and held, or null id no callback as been set.
+     */
+    public final OnItemLongClickListener getOnItemLongClickListener() {
+        return mOnItemLongClickListener;
+    }
+
+    /**
+     * @return The callback to be invoked with an item in this RecyclerView has
+     * been clicked and held, or null id no callback as been set.
+     */
+    public final OnItemClickListener getOnItemClickListener() {
+        return mOnItemClickListener;
+    }
+
+    /**
+     * @return The callback to be invoked with an itemchild in this RecyclerView has
+     * been clicked, or null id no callback has been set.
+     */
+    @Nullable
+    public final OnItemChildClickListener getOnItemChildClickListener() {
+        return mOnItemChildClickListener;
+    }
+
+    /**
+     * @return The callback to be invoked with an itemChild in this RecyclerView has
+     * been long clicked, or null id no callback has been set.
+     */
+    @Nullable
+    public final OnItemChildLongClickListener getOnItemChildLongClickListener() {
+        return mOnItemChildLongClickListener;
+    }
+}

library/src/main/java/com/chad/library/adapter/base/BaseSectionMultiItemQuickAdapter.java

+package com.chad.library.adapter.base;
+
+import android.util.SparseIntArray;
+import android.view.ViewGroup;
+
+import androidx.annotation.IntRange;
+import androidx.annotation.LayoutRes;
+import androidx.annotation.NonNull;
+
+import com.chad.library.adapter.base.entity.IExpandable;
+import com.chad.library.adapter.base.entity.MultiItemEntity;
+import com.chad.library.adapter.base.entity.SectionMultiEntity;
+
+import java.util.List;
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public abstract class BaseSectionMultiItemQuickAdapter<T extends SectionMultiEntity, K extends BaseViewHolder> extends BaseQuickAdapter<T, K> {
+
+    /**
+     * layouts indexed with their types
+     */
+    private SparseIntArray layouts;
+
+    private static final int DEFAULT_VIEW_TYPE = -0xff;
+    public static final int TYPE_NOT_FOUND = -404;
+
+    protected int mSectionHeadResId;
+    protected static final int SECTION_HEADER_VIEW = 0x00000444;
+
+    /**
+     * Same as QuickAdapter#QuickAdapter(Context,int) but with
+     * some initialization data.
+     *
+     * @param sectionHeadResId The section head layout id for each item
+     * @param data             A new list is created out of this one to avoid mutable list
+     */
+    public BaseSectionMultiItemQuickAdapter(int sectionHeadResId, List<T> data) {
+        super(data);
+        this.mSectionHeadResId = sectionHeadResId;
+    }
+
+    @Override
+    protected int getDefItemViewType(int position) {
+        T item = mData.get(position);
+
+        if (item != null) {
+            // check the item type include header or not
+            return item.isHeader ? SECTION_HEADER_VIEW : item.getItemType();
+        }
+        return DEFAULT_VIEW_TYPE;
+    }
+
+    protected void setDefaultViewTypeLayout(@LayoutRes int layoutResId) {
+        addItemType(DEFAULT_VIEW_TYPE, layoutResId);
+    }
+
+    @Override
+    protected K onCreateDefViewHolder(ViewGroup parent, int viewType) {
+        // add this to check viewType of section
+        if (viewType == SECTION_HEADER_VIEW)
+            return createBaseViewHolder(getItemView(mSectionHeadResId, parent));
+
+        return createBaseViewHolder(parent, getLayoutId(viewType));
+    }
+
+    private int getLayoutId(int viewType) {
+        return layouts.get(viewType, TYPE_NOT_FOUND);
+    }
+
+    /**
+     * collect layout types you need
+     *
+     * @param type             The key of layout type
+     * @param layoutResId      The layoutResId of layout type
+     */
+    protected void addItemType(int type, @LayoutRes int layoutResId) {
+        if (layouts == null) {
+            layouts = new SparseIntArray();
+        }
+        layouts.put(type, layoutResId);
+    }
+
+    @Override
+    protected boolean isFixedViewType(int type) {
+        return super.isFixedViewType(type) || type == SECTION_HEADER_VIEW;
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull K holder, int position) {
+        switch (holder.getItemViewType()) {
+            case SECTION_HEADER_VIEW:
+                setFullSpan(holder);
+                convertHead(holder, getItem(position - getHeaderLayoutCount()));
+                break;
+            default:
+                super.onBindViewHolder(holder, position);
+                break;
+        }
+    }
+
+    protected abstract void convertHead(K helper, T item);
+
+    @Override
+    public void remove(@IntRange(from = 0L) int position) {
+        if (mData == null || position < 0
+                || position >= mData.size()) return;
+
+        T entity = mData.get(position);
+        if (entity instanceof IExpandable) {
+            removeAllChild((IExpandable) entity, position);
+        }
+        removeDataFromParent(entity);
+        super.remove(position);
+    }
+
+    /**
+     * 移除父控件时，若父控件处于展开状态，则先移除其所有的子控件
+     *
+     * @param parent         父控件实体
+     * @param parentPosition 父控件位置
+     */
+    protected void removeAllChild(IExpandable parent, int parentPosition) {
+        if (parent.isExpanded()) {
+            List<MultiItemEntity> chidChilds = parent.getSubItems();
+            if (chidChilds == null || chidChilds.size() == 0) return;
+
+            int childSize = chidChilds.size();
+            for (int i = 0; i < childSize; i++) {
+                remove(parentPosition + 1);
+            }
+        }
+    }
+
+    /**
+     * 移除子控件时，移除父控件实体类中相关子控件数据，避免关闭后再次展开数据重现
+     *
+     * @param child 子控件实体
+     */
+    protected void removeDataFromParent(T child) {
+        int position = getParentPosition(child);
+        if (position >= 0) {
+            IExpandable parent = (IExpandable) mData.get(position);
+            parent.getSubItems().remove(child);
+        }
+    }
+}
+
+

library/src/main/java/com/chad/library/adapter/base/BaseSectionQuickAdapter.java

+package com.chad.library.adapter.base;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+
+import com.chad.library.adapter.base.entity.SectionEntity;
+
+import java.util.List;
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public abstract class BaseSectionQuickAdapter<T extends SectionEntity, K extends BaseViewHolder> extends BaseQuickAdapter<T, K> {
+
+
+    protected int mSectionHeadResId;
+    protected static final int SECTION_HEADER_VIEW = 0x00000444;
+
+    /**
+     * Same as QuickAdapter#QuickAdapter(Context,int) but with
+     * some initialization data.
+     *
+     * @param sectionHeadResId The section head layout id for each item
+     * @param layoutResId      The layout resource id of each item.
+     * @param data             A new list is created out of this one to avoid mutable list
+     */
+    public BaseSectionQuickAdapter(int layoutResId, int sectionHeadResId, List<T> data) {
+        super(layoutResId, data);
+        this.mSectionHeadResId = sectionHeadResId;
+    }
+
+    @Override
+    protected int getDefItemViewType(int position) {
+        return mData.get(position).isHeader ? SECTION_HEADER_VIEW : 0;
+    }
+
+    @Override
+    protected K onCreateDefViewHolder(ViewGroup parent, int viewType) {
+        if (viewType == SECTION_HEADER_VIEW)
+            return createBaseViewHolder(getItemView(mSectionHeadResId, parent));
+
+        return super.onCreateDefViewHolder(parent, viewType);
+    }
+
+    @Override
+    protected boolean isFixedViewType(int type) {
+        return super.isFixedViewType(type) || type == SECTION_HEADER_VIEW;
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull K holder, int position) {
+        switch (holder.getItemViewType()) {
+            case SECTION_HEADER_VIEW:
+                setFullSpan(holder);
+                convertHead(holder, getItem(position - getHeaderLayoutCount()));
+                break;
+            default:
+                super.onBindViewHolder(holder, position);
+                break;
+        }
+    }
+
+    protected abstract void convertHead(K helper, T item);
+
+}

library/src/main/java/com/chad/library/adapter/base/BaseViewHolder.java

+/**
+ * Copyright 2013 Joan Zapata
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.chad.library.adapter.base;
+
+import android.graphics.Bitmap;
+import android.graphics.Paint;
+import android.graphics.Typeface;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
+import android.text.util.Linkify;
+import android.util.SparseArray;
+import android.view.View;
+import android.view.animation.AlphaAnimation;
+import android.widget.Adapter;
+import android.widget.AdapterView;
+import android.widget.Checkable;
+import android.widget.CompoundButton;
+import android.widget.ImageView;
+import android.widget.ProgressBar;
+import android.widget.RatingBar;
+import android.widget.TextView;
+
+import androidx.annotation.ColorInt;
+import androidx.annotation.DrawableRes;
+import androidx.annotation.IdRes;
+import androidx.annotation.StringRes;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.HashSet;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public class BaseViewHolder extends RecyclerView.ViewHolder {
+
+    /**
+     * Views indexed with their IDs
+     */
+    private final SparseArray<View> views;
+
+    public Set<Integer> getNestViews() {
+        return nestViews;
+    }
+
+    private final HashSet<Integer> nestViews;
+
+    private final LinkedHashSet<Integer> childClickViewIds;
+
+    private final LinkedHashSet<Integer> itemChildLongClickViewIds;
+    private BaseQuickAdapter adapter;
+    /**
+     * use itemView instead
+     */
+    @Deprecated
+    public View convertView;
+
+    /**
+     * Package private field to retain the associated user object and detect a change
+     */
+    private Object associatedObject;
+
+
+    public BaseViewHolder(final View view) {
+        super(view);
+        this.views = new SparseArray<>();
+        this.childClickViewIds = new LinkedHashSet<>();
+        this.itemChildLongClickViewIds = new LinkedHashSet<>();
+        this.nestViews = new HashSet<>();
+        convertView = view;
+
+
+    }
+
+    public HashSet<Integer> getItemChildLongClickViewIds() {
+        return itemChildLongClickViewIds;
+    }
+
+    public HashSet<Integer> getChildClickViewIds() {
+        return childClickViewIds;
+    }
+
+    /**
+     * use itemView instead
+     *
+     * @return the ViewHolder root view
+     */
+    @Deprecated
+    public View getConvertView() {
+
+        return convertView;
+    }
+
+    /**
+     * Will set the text of a TextView.
+     *
+     * @param viewId The view id.
+     * @param value  The text to put in the text view.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setText(@IdRes int viewId, CharSequence value) {
+        TextView view = getView(viewId);
+        view.setText(value);
+        return this;
+    }
+
+    public BaseViewHolder setText(@IdRes int viewId, @StringRes int strId) {
+        TextView view = getView(viewId);
+        view.setText(strId);
+        return this;
+    }
+
+    /**
+     * Will set the image of an ImageView from a resource id.
+     *
+     * @param viewId     The view id.
+     * @param imageResId The image resource id.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setImageResource(@IdRes int viewId, @DrawableRes int imageResId) {
+        ImageView view = getView(viewId);
+        view.setImageResource(imageResId);
+        return this;
+    }
+
+    /**
+     * Will set background color of a view.
+     *
+     * @param viewId The view id.
+     * @param color  A color, not a resource id.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setBackgroundColor(@IdRes int viewId, @ColorInt int color) {
+        View view = getView(viewId);
+        view.setBackgroundColor(color);
+        return this;
+    }
+
+    /**
+     * Will set background of a view.
+     *
+     * @param viewId        The view id.
+     * @param backgroundRes A resource to use as a background.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setBackgroundRes(@IdRes int viewId, @DrawableRes int backgroundRes) {
+        View view = getView(viewId);
+        view.setBackgroundResource(backgroundRes);
+        return this;
+    }
+
+    /**
+     * Will set text color of a TextView.
+     *
+     * @param viewId    The view id.
+     * @param textColor The text color (not a resource id).
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setTextColor(@IdRes int viewId, @ColorInt int textColor) {
+        TextView view = getView(viewId);
+        view.setTextColor(textColor);
+        return this;
+    }
+
+
+    /**
+     * Will set the image of an ImageView from a drawable.
+     *
+     * @param viewId   The view id.
+     * @param drawable The image drawable.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setImageDrawable(@IdRes int viewId, Drawable drawable) {
+        ImageView view = getView(viewId);
+        view.setImageDrawable(drawable);
+        return this;
+    }
+
+    /**
+     * Add an action to set the image of an image view. Can be called multiple times.
+     */
+    public BaseViewHolder setImageBitmap(@IdRes int viewId, Bitmap bitmap) {
+        ImageView view = getView(viewId);
+        view.setImageBitmap(bitmap);
+        return this;
+    }
+
+    /**
+     * Add an action to set the alpha of a view. Can be called multiple times.
+     * Alpha between 0-1.
+     */
+    public BaseViewHolder setAlpha(@IdRes int viewId, float value) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+            getView(viewId).setAlpha(value);
+        } else {
+            // Pre-honeycomb hack to set Alpha value
+            AlphaAnimation alpha = new AlphaAnimation(value, value);
+            alpha.setDuration(0);
+            alpha.setFillAfter(true);
+            getView(viewId).startAnimation(alpha);
+        }
+        return this;
+    }
+
+    /**
+     * Set a view visibility to VISIBLE (true) or GONE (false).
+     *
+     * @param viewId  The view id.
+     * @param visible True for VISIBLE, false for GONE.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setGone(@IdRes int viewId, boolean visible) {
+        View view = getView(viewId);
+        view.setVisibility(visible ? View.VISIBLE : View.GONE);
+        return this;
+    }
+
+    /**
+     * Set a view visibility to VISIBLE (true) or INVISIBLE (false).
+     *
+     * @param viewId  The view id.
+     * @param visible True for VISIBLE, false for INVISIBLE.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setVisible(@IdRes int viewId, boolean visible) {
+        View view = getView(viewId);
+        view.setVisibility(visible ? View.VISIBLE : View.INVISIBLE);
+        return this;
+    }
+
+    /**
+     * Add links into a TextView.
+     *
+     * @param viewId The id of the TextView to linkify.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder linkify(@IdRes int viewId) {
+        TextView view = getView(viewId);
+        Linkify.addLinks(view, Linkify.ALL);
+        return this;
+    }
+
+    /**
+     * Apply the typeface to the given viewId, and enable subpixel rendering.
+     */
+    public BaseViewHolder setTypeface(@IdRes int viewId, Typeface typeface) {
+        TextView view = getView(viewId);
+        view.setTypeface(typeface);
+        view.setPaintFlags(view.getPaintFlags() | Paint.SUBPIXEL_TEXT_FLAG);
+        return this;
+    }
+
+    /**
+     * Apply the typeface to all the given viewIds, and enable subpixel rendering.
+     */
+    public BaseViewHolder setTypeface(Typeface typeface, int... viewIds) {
+        for (int viewId : viewIds) {
+            TextView view = getView(viewId);
+            view.setTypeface(typeface);
+            view.setPaintFlags(view.getPaintFlags() | Paint.SUBPIXEL_TEXT_FLAG);
+        }
+        return this;
+    }
+
+    /**
+     * Sets the progress of a ProgressBar.
+     *
+     * @param viewId   The view id.
+     * @param progress The progress.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setProgress(@IdRes int viewId, int progress) {
+        ProgressBar view = getView(viewId);
+        view.setProgress(progress);
+        return this;
+    }
+
+    /**
+     * Sets the progress and max of a ProgressBar.
+     *
+     * @param viewId   The view id.
+     * @param progress The progress.
+     * @param max      The max value of a ProgressBar.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setProgress(@IdRes int viewId, int progress, int max) {
+        ProgressBar view = getView(viewId);
+        view.setMax(max);
+        view.setProgress(progress);
+        return this;
+    }
+
+    /**
+     * Sets the range of a ProgressBar to 0...max.
+     *
+     * @param viewId The view id.
+     * @param max    The max value of a ProgressBar.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setMax(@IdRes int viewId, int max) {
+        ProgressBar view = getView(viewId);
+        view.setMax(max);
+        return this;
+    }
+
+    /**
+     * Sets the rating (the number of stars filled) of a RatingBar.
+     *
+     * @param viewId The view id.
+     * @param rating The rating.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setRating(@IdRes int viewId, float rating) {
+        RatingBar view = getView(viewId);
+        view.setRating(rating);
+        return this;
+    }
+
+    /**
+     * Sets the rating (the number of stars filled) and max of a RatingBar.
+     *
+     * @param viewId The view id.
+     * @param rating The rating.
+     * @param max    The range of the RatingBar to 0...max.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setRating(@IdRes int viewId, float rating, int max) {
+        RatingBar view = getView(viewId);
+        view.setMax(max);
+        view.setRating(rating);
+        return this;
+    }
+
+    /**
+     * Sets the on click listener of the view.
+     *
+     * @param viewId   The view id.
+     * @param listener The on click listener;
+     * @return The BaseViewHolder for chaining.
+     */
+    @Deprecated
+    public BaseViewHolder setOnClickListener(@IdRes int viewId, View.OnClickListener listener) {
+        View view = getView(viewId);
+        view.setOnClickListener(listener);
+        return this;
+    }
+
+    /**
+     * add childView id
+     *
+     * @param viewIds add the child views id can support childview click
+     * @return if you use adapter bind listener
+     * @link {(adapter.setOnItemChildClickListener(listener))}
+     * <p>
+     * or if you can use  recyclerView.addOnItemTouch(listerer)  wo also support this menthod
+     */
+    @SuppressWarnings("unchecked")
+    public BaseViewHolder addOnClickListener(@IdRes final int ...viewIds) {
+        for (int viewId : viewIds) {
+            childClickViewIds.add(viewId);
+            final View view = getView(viewId);
+            if (view != null) {
+                if (!view.isClickable()) {
+                    view.setClickable(true);
+                }
+                view.setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        if (adapter.getOnItemChildClickListener() != null) {
+                            int position = getAdapterPosition();
+                            if (position == RecyclerView.NO_POSITION) {
+                                return;
+                            }
+                            position -= adapter.getHeaderLayoutCount();
+                            adapter.getOnItemChildClickListener().onItemChildClick(adapter, v, position);
+                        }
+                    }
+                });
+            }
+        }
+        return this;
+    }
+
+
+    /**
+     * set nestview id
+     *
+     * @param viewIds add the child views id   can support childview click
+     * @return
+     */
+    public BaseViewHolder setNestView(@IdRes int ... viewIds) {
+        for (int viewId : viewIds) {
+            nestViews.add(viewId);
+        }
+        addOnClickListener(viewIds);
+        addOnLongClickListener(viewIds);
+        return this;
+    }
+
+    /**
+     * add long click view id
+     *
+     * @param viewIds
+     * @return if you use adapter bind listener
+     * @link {(adapter.setOnItemChildLongClickListener(listener))}
+     * <p>
+     * or if you can use  recyclerView.addOnItemTouch(listerer)  wo also support this menthod
+     */
+    @SuppressWarnings("unchecked")
+    public BaseViewHolder addOnLongClickListener(@IdRes final int ... viewIds) {
+        for (int viewId : viewIds) {
+            itemChildLongClickViewIds.add(viewId);
+            final View view = getView(viewId);
+            if (view != null) {
+                if (!view.isLongClickable()) {
+                    view.setLongClickable(true);
+                }
+                view.setOnLongClickListener(new View.OnLongClickListener() {
+                    @Override
+                    public boolean onLongClick(View v) {
+                        if (adapter.getOnItemChildLongClickListener() == null) {
+                            return false;
+                        }
+                        int position = getAdapterPosition();
+                        if (position == RecyclerView.NO_POSITION) {
+                            return false;
+                        }
+                        position -= adapter.getHeaderLayoutCount();
+                        return adapter.getOnItemChildLongClickListener().onItemChildLongClick(adapter, v, position);
+                    }
+                });
+            }
+        }
+        return this;
+    }
+
+
+    /**
+     * Sets the on touch listener of the view.
+     *
+     * @param viewId   The view id.
+     * @param listener The on touch listener;
+     * @return The BaseViewHolder for chaining.
+     */
+    @Deprecated
+    public BaseViewHolder setOnTouchListener(@IdRes int viewId, View.OnTouchListener listener) {
+        View view = getView(viewId);
+        view.setOnTouchListener(listener);
+        return this;
+    }
+
+    /**
+     * Sets the on long click listener of the view.
+     *
+     * @param viewId   The view id.
+     * @param listener The on long click listener;
+     * @return The BaseViewHolder for chaining.
+     * Please use {@link #addOnLongClickListener} (adapter.setOnItemChildLongClickListener(listener))}
+     */
+    @Deprecated
+    public BaseViewHolder setOnLongClickListener(@IdRes int viewId, View.OnLongClickListener listener) {
+        View view = getView(viewId);
+        view.setOnLongClickListener(listener);
+        return this;
+    }
+
+    /**
+     * Sets the listview or gridview's item click listener of the view
+     *
+     * @param viewId   The view id.
+     * @param listener The item on click listener;
+     * @return The BaseViewHolder for chaining.
+     * Please use {@link #addOnClickListener} (int)} (adapter.setOnItemChildClickListener(listener))}
+     */
+    @Deprecated
+    public BaseViewHolder setOnItemClickListener(@IdRes int viewId, AdapterView.OnItemClickListener listener) {
+        AdapterView view = getView(viewId);
+        view.setOnItemClickListener(listener);
+        return this;
+    }
+
+    /**
+     * Sets the listview or gridview's item long click listener of the view
+     *
+     * @param viewId   The view id.
+     * @param listener The item long click listener;
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setOnItemLongClickListener(@IdRes int viewId, AdapterView.OnItemLongClickListener listener) {
+        AdapterView view = getView(viewId);
+        view.setOnItemLongClickListener(listener);
+        return this;
+    }
+
+    /**
+     * Sets the listview or gridview's item selected click listener of the view
+     *
+     * @param viewId   The view id.
+     * @param listener The item selected click listener;
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setOnItemSelectedClickListener(@IdRes int viewId, AdapterView.OnItemSelectedListener listener) {
+        AdapterView view = getView(viewId);
+        view.setOnItemSelectedListener(listener);
+        return this;
+    }
+
+    /**
+     * Sets the on checked change listener of the view.
+     *
+     * @param viewId   The view id.
+     * @param listener The checked change listener of compound button.
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setOnCheckedChangeListener(@IdRes int viewId, CompoundButton.OnCheckedChangeListener listener) {
+        CompoundButton view = getView(viewId);
+        view.setOnCheckedChangeListener(listener);
+        return this;
+    }
+
+    /**
+     * Sets the tag of the view.
+     *
+     * @param viewId The view id.
+     * @param tag    The tag;
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setTag(@IdRes int viewId, Object tag) {
+        View view = getView(viewId);
+        view.setTag(tag);
+        return this;
+    }
+
+    /**
+     * Sets the tag of the view.
+     *
+     * @param viewId The view id.
+     * @param key    The key of tag;
+     * @param tag    The tag;
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setTag(@IdRes int viewId, int key, Object tag) {
+        View view = getView(viewId);
+        view.setTag(key, tag);
+        return this;
+    }
+
+    /**
+     * Sets the checked status of a checkable.
+     *
+     * @param viewId  The view id.
+     * @param checked The checked status;
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setChecked(@IdRes int viewId, boolean checked) {
+        View view = getView(viewId);
+        // View unable cast to Checkable
+        if (view instanceof Checkable) {
+            ((Checkable) view).setChecked(checked);
+        }
+        return this;
+    }
+    /**
+     * Set the enabled state of this view.
+     *
+     * @param viewId  The view id.
+     * @param enable The checked status;
+     * @return The BaseViewHolder for chaining.
+     */
+    public BaseViewHolder setEnabled(@IdRes int viewId,boolean enable) {
+        View view = getView(viewId);
+        view.setEnabled(enable);
+        return this;
+    }
+
+    /**
+     * Sets the adapter of a adapter view.
+     *
+     * @param viewId  The view id.
+     * @param adapter The adapter;
+     * @return The BaseViewHolder for chaining.
+     */
+    @SuppressWarnings("unchecked")
+    public BaseViewHolder setAdapter(@IdRes int viewId, Adapter adapter) {
+        AdapterView view = getView(viewId);
+        view.setAdapter(adapter);
+        return this;
+    }
+
+    /**
+     * Sets the adapter of a adapter view.
+     *
+     * @param adapter The adapter;
+     * @return The BaseViewHolder for chaining.
+     */
+    protected BaseViewHolder setAdapter(BaseQuickAdapter adapter) {
+        this.adapter = adapter;
+        return this;
+    }
+
+    @SuppressWarnings("unchecked")
+    public <T extends View> T getView(@IdRes int viewId) {
+        View view = views.get(viewId);
+        if (view == null) {
+            view = itemView.findViewById(viewId);
+            views.put(viewId, view);
+        }
+        return (T) view;
+    }
+
+    /**
+     * Retrieves the last converted object on this view.
+     */
+    public Object getAssociatedObject() {
+        return associatedObject;
+    }
+
+    /**
+     * Should be called during convert
+     */
+    public void setAssociatedObject(Object associatedObject) {
+        this.associatedObject = associatedObject;
+    }
+}

library/src/main/java/com/chad/library/adapter/base/MultipleItemRvAdapter.java

+package com.chad.library.adapter.base;
+
+import android.util.SparseArray;
+import android.view.View;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.chad.library.adapter.base.provider.BaseItemProvider;
+import com.chad.library.adapter.base.util.MultiTypeDelegate;
+import com.chad.library.adapter.base.util.ProviderDelegate;
+
+import java.util.List;
+
+/**
+ * https://github.com/chaychan
+ * @author ChayChan
+ * @description:
+ * When there are multiple entries, avoid too much business logic in convert(),Put the logic of each item in the corresponding ItemProvider
+ * 当有多种条目的时候，避免在convert()中做太多的业务逻辑，把逻辑放在对应的ItemProvider中
+ * @date 2018/3/21  9:55
+ */
+
+public abstract class MultipleItemRvAdapter<T,V extends BaseViewHolder> extends BaseQuickAdapter<T, V> {
+
+    private SparseArray<BaseItemProvider> mItemProviders;
+    protected ProviderDelegate mProviderDelegate;
+
+    public MultipleItemRvAdapter(@Nullable List<T> data) {
+        super(data);
+    }
+
+    /**
+     * 用于adapter构造函数完成参数的赋值后调用
+     * Called after the assignment of the argument to the adapter constructor
+     */
+    public void finishInitialize() {
+        mProviderDelegate = new ProviderDelegate();
+
+        setMultiTypeDelegate(new MultiTypeDelegate<T>() {
+
+            @Override
+            protected int getItemType(T t) {
+                return getViewType(t);
+            }
+        });
+
+        registerItemProvider();
+
+        mItemProviders = mProviderDelegate.getItemProviders();
+
+        for (int i = 0; i < mItemProviders.size(); i++) {
+            int key = mItemProviders.keyAt(i);
+            BaseItemProvider provider = mItemProviders.get(key);
+            provider.mData = mData;
+            getMultiTypeDelegate().registerItemType(key, provider.layout());
+        }
+    }
+
+    protected abstract int getViewType(T t);
+
+    public abstract void registerItemProvider();
+
+    @Override
+    protected void convert(@NonNull V helper, T item) {
+        int itemViewType = helper.getItemViewType();
+        BaseItemProvider provider = mItemProviders.get(itemViewType);
+
+        provider.mContext = helper.itemView.getContext();
+
+        int position = helper.getLayoutPosition() - getHeaderLayoutCount();
+        provider.convert(helper, item, position);
+
+        bindClick(helper, item, position, provider);
+    }
+
+    private void bindClick(final V helper, final T item, final int position, final BaseItemProvider provider) {
+        OnItemClickListener clickListener = getOnItemClickListener();
+        OnItemLongClickListener longClickListener = getOnItemLongClickListener();
+
+        if (clickListener != null && longClickListener != null){
+            //如果已经设置了子条目点击监听和子条目长按监听
+            // If you have set up a sub-entry click monitor and sub-entries long press listen
+            return;
+        }
+
+        View itemView = helper.itemView;
+
+        if (clickListener == null){
+            //如果没有设置点击监听，则回调给itemProvider
+            //Callback to itemProvider if no click listener is set
+            itemView.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    provider.onClick(helper, item, position);
+                }
+            });
+        }
+
+        if (longClickListener == null){
+            //如果没有设置长按监听，则回调给itemProvider
+            // If you do not set a long press listener, callback to the itemProvider
+            itemView.setOnLongClickListener(new View.OnLongClickListener() {
+                @Override
+                public boolean onLongClick(View v) {
+                    return provider.onLongClick(helper, item, position);
+                }
+            });
+        }
+    }
+}

library/src/main/java/com/chad/library/adapter/base/animation/AlphaInAnimation.java

+package com.chad.library.adapter.base.animation;
+
+import android.animation.Animator;
+import android.animation.ObjectAnimator;
+import android.view.View;
+
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public class AlphaInAnimation implements BaseAnimation {
+    private static final float DEFAULT_ALPHA_FROM = 0f;
+    private final float mFrom;
+
+    public AlphaInAnimation() {
+        this(DEFAULT_ALPHA_FROM);
+    }
+
+    public AlphaInAnimation(float from) {
+        mFrom = from;
+    }
+
+    @Override
+    public Animator[] getAnimators(View view) {
+        return new Animator[]{ObjectAnimator.ofFloat(view, "alpha", mFrom, 1f)};
+    }
+}

library/src/main/java/com/chad/library/adapter/base/animation/BaseAnimation.java

+package com.chad.library.adapter.base.animation;
+
+import android.animation.Animator;
+import android.view.View;
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public interface BaseAnimation {
+    Animator[] getAnimators(View view);
+}

library/src/main/java/com/chad/library/adapter/base/animation/ScaleInAnimation.java

+package com.chad.library.adapter.base.animation;
+
+import android.animation.Animator;
+import android.animation.ObjectAnimator;
+import android.view.View;
+
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public class ScaleInAnimation implements BaseAnimation {
+    private static final float DEFAULT_SCALE_FROM = .5f;
+    private final float mFrom;
+
+    public ScaleInAnimation() {
+        this(DEFAULT_SCALE_FROM);
+    }
+
+    public ScaleInAnimation(float from) {
+        mFrom = from;
+    }
+
+    @Override
+    public Animator[] getAnimators(View view) {
+        ObjectAnimator scaleX = ObjectAnimator.ofFloat(view, "scaleX", mFrom, 1f);
+        ObjectAnimator scaleY = ObjectAnimator.ofFloat(view, "scaleY", mFrom, 1f);
+        return new ObjectAnimator[]{scaleX, scaleY};
+    }
+}

library/src/main/java/com/chad/library/adapter/base/animation/SlideInBottomAnimation.java

+package com.chad.library.adapter.base.animation;
+
+import android.animation.Animator;
+import android.animation.ObjectAnimator;
+import android.view.View;
+
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public class SlideInBottomAnimation implements BaseAnimation {
+    @Override
+    public Animator[] getAnimators(View view) {
+        return new Animator[]{
+                ObjectAnimator.ofFloat(view, "translationY", view.getMeasuredHeight(), 0)
+        };
+    }
+}

library/src/main/java/com/chad/library/adapter/base/animation/SlideInLeftAnimation.java

+package com.chad.library.adapter.base.animation;
+
+import android.animation.Animator;
+import android.animation.ObjectAnimator;
+import android.view.View;
+
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public class SlideInLeftAnimation implements BaseAnimation {
+    @Override
+    public Animator[] getAnimators(View view) {
+        return new Animator[]{
+                ObjectAnimator.ofFloat(view, "translationX", -view.getRootView().getWidth(), 0)
+        };
+    }
+}

library/src/main/java/com/chad/library/adapter/base/animation/SlideInRightAnimation.java

+package com.chad.library.adapter.base.animation;
+
+import android.animation.Animator;
+import android.animation.ObjectAnimator;
+import android.view.View;
+
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public class SlideInRightAnimation implements BaseAnimation {
+    @Override
+    public Animator[] getAnimators(View view) {
+        return new Animator[]{
+                ObjectAnimator.ofFloat(view, "translationX", view.getRootView().getWidth(), 0)
+        };
+    }
+}

library/src/main/java/com/chad/library/adapter/base/callback/ItemDragAndSwipeCallback.java

+package com.chad.library.adapter.base.callback;
+
+import android.graphics.Canvas;
+import android.view.View;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.ItemTouchHelper;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.chad.library.R;
+import com.chad.library.adapter.base.BaseItemDraggableAdapter;
+import com.chad.library.adapter.base.BaseQuickAdapter;
+
+/**
+ *
+ * @author luoxw
+ * @date 2016/6/20
+ */
+public class ItemDragAndSwipeCallback extends ItemTouchHelper.Callback {
+
+//    private static final String TAG = ItemDragAndSwipeCallback.class.getSimpleName();
+
+    private BaseItemDraggableAdapter mAdapter;
+
+    private float mMoveThreshold = 0.1f;
+    private float mSwipeThreshold = 0.7f;
+
+    private int mDragMoveFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
+    private int mSwipeMoveFlags = ItemTouchHelper.END;
+
+    public ItemDragAndSwipeCallback(BaseItemDraggableAdapter adapter) {
+        mAdapter = adapter;
+    }
+
+    @Override
+    public boolean isLongPressDragEnabled() {
+        return false;
+    }
+
+    @Override
+    public boolean isItemViewSwipeEnabled() {
+        return mAdapter.isItemSwipeEnable();
+    }
+
+    @Override
+    public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState) {
+        if (actionState == ItemTouchHelper.ACTION_STATE_DRAG
+                && !isViewCreateByAdapter(viewHolder)) {
+            mAdapter.onItemDragStart(viewHolder);
+            viewHolder.itemView.setTag(R.id.BaseQuickAdapter_dragging_support, true);
+        } else if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE
+                && !isViewCreateByAdapter(viewHolder)) {
+            mAdapter.onItemSwipeStart(viewHolder);
+            viewHolder.itemView.setTag(R.id.BaseQuickAdapter_swiping_support, true);
+        }
+        super.onSelectedChanged(viewHolder, actionState);
+    }
+
+    @Override
+    public void clearView(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
+        super.clearView(recyclerView, viewHolder);
+        if (isViewCreateByAdapter(viewHolder)) {
+            return;
+        }
+
+        if (viewHolder.itemView.getTag(R.id.BaseQuickAdapter_dragging_support) != null
+                && (Boolean) viewHolder.itemView.getTag(R.id.BaseQuickAdapter_dragging_support)) {
+            mAdapter.onItemDragEnd(viewHolder);
+            viewHolder.itemView.setTag(R.id.BaseQuickAdapter_dragging_support, false);
+        }
+        if (viewHolder.itemView.getTag(R.id.BaseQuickAdapter_swiping_support) != null
+                && (Boolean) viewHolder.itemView.getTag(R.id.BaseQuickAdapter_swiping_support)) {
+            mAdapter.onItemSwipeClear(viewHolder);
+            viewHolder.itemView.setTag(R.id.BaseQuickAdapter_swiping_support, false);
+        }
+    }
+
+    @Override
+    public int getMovementFlags(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
+        if (isViewCreateByAdapter(viewHolder)) {
+            return makeMovementFlags(0, 0);
+        }
+
+        return makeMovementFlags(mDragMoveFlags, mSwipeMoveFlags);
+    }
+
+    @Override
+    public boolean onMove(@NonNull RecyclerView recyclerView,@NonNull RecyclerView.ViewHolder source,@NonNull RecyclerView.ViewHolder target) {
+        return source.getItemViewType() == target.getItemViewType();
+    }
+
+    @Override
+    public void onMoved(@NonNull RecyclerView recyclerView,@NonNull RecyclerView.ViewHolder source, int fromPos,@NonNull RecyclerView.ViewHolder target, int toPos, int x, int y) {
+        super.onMoved(recyclerView, source, fromPos, target, toPos, x, y);
+        mAdapter.onItemDragMoving(source, target);
+    }
+
+    @Override
+    public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction) {
+        if (!isViewCreateByAdapter(viewHolder)) {
+            mAdapter.onItemSwiped(viewHolder);
+        }
+    }
+
+    @Override
+    public float getMoveThreshold(@NonNull RecyclerView.ViewHolder viewHolder) {
+        return mMoveThreshold;
+    }
+
+    @Override
+    public float getSwipeThreshold(@NonNull RecyclerView.ViewHolder viewHolder) {
+        return mSwipeThreshold;
+    }
+
+    /**
+     * Set the fraction that the user should move the View to be considered as swiped.
+     * The fraction is calculated with respect to RecyclerView's bounds.
+     * <p>
+     * Default value is .5f, which means, to swipe a View, user must move the View at least
+     * half of RecyclerView's width or height, depending on the swipe direction.
+     *
+     * @param swipeThreshold A float value that denotes the fraction of the View size. Default value
+     *                       is .8f .
+     */
+    public void setSwipeThreshold(float swipeThreshold) {
+        mSwipeThreshold = swipeThreshold;
+    }
+
+
+    /**
+     * Set the fraction that the user should move the View to be considered as it is
+     * dragged. After a view is moved this amount, ItemTouchHelper starts checking for Views
+     * below it for a possible drop.
+     *
+     * @param moveThreshold A float value that denotes the fraction of the View size. Default value is
+     *                      .1f .
+     */
+    public void setMoveThreshold(float moveThreshold) {
+        mMoveThreshold = moveThreshold;
+    }
+
+    /**
+     * <p>Set the drag movement direction.</p>
+     * <p>The value should be ItemTouchHelper.UP, ItemTouchHelper.DOWN, ItemTouchHelper.LEFT, ItemTouchHelper.RIGHT or their combination.</p>
+     * You can combine them like ItemTouchHelper.UP | ItemTouchHelper.DOWN, it means that the item could only move up and down when dragged.
+     *
+     * @param dragMoveFlags the drag movement direction. Default value is ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT.
+     */
+
+    public void setDragMoveFlags(int dragMoveFlags) {
+        mDragMoveFlags = dragMoveFlags;
+    }
+
+    /**
+     * <p>Set the swipe movement direction.</p>
+     * <p>The value should be ItemTouchHelper.START, ItemTouchHelper.END or their combination.</p>
+     * You can combine them like ItemTouchHelper.START | ItemTouchHelper.END, it means that the item could swipe to both left or right.
+     *
+     * @param swipeMoveFlags the swipe movement direction. Default value is ItemTouchHelper.END.
+     */
+    public void setSwipeMoveFlags(int swipeMoveFlags) {
+        mSwipeMoveFlags = swipeMoveFlags;
+    }
+
+    @Override
+    public void onChildDrawOver(@NonNull Canvas c, @NonNull RecyclerView recyclerView,@NonNull RecyclerView.ViewHolder viewHolder,
+                                float dX, float dY, int actionState, boolean isCurrentlyActive) {
+        super.onChildDrawOver(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
+
+        if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE
+                && !isViewCreateByAdapter(viewHolder)) {
+            View itemView = viewHolder.itemView;
+
+            c.save();
+            if (dX > 0) {
+                c.clipRect(itemView.getLeft(), itemView.getTop(),
+                        itemView.getLeft() + dX, itemView.getBottom());
+                c.translate(itemView.getLeft(), itemView.getTop());
+            } else {
+                c.clipRect(itemView.getRight() + dX, itemView.getTop(),
+                        itemView.getRight(), itemView.getBottom());
+                c.translate(itemView.getRight() + dX, itemView.getTop());
+            }
+
+            mAdapter.onItemSwiping(c, viewHolder, dX, dY, isCurrentlyActive);
+            c.restore();
+
+        }
+    }
+
+    private boolean isViewCreateByAdapter(@NonNull RecyclerView.ViewHolder viewHolder) {
+        int type = viewHolder.getItemViewType();
+        return type == BaseQuickAdapter.HEADER_VIEW || type == BaseQuickAdapter.LOADING_VIEW
+                || type == BaseQuickAdapter.FOOTER_VIEW || type == BaseQuickAdapter.EMPTY_VIEW;
+    }
+}

library/src/main/java/com/chad/library/adapter/base/diff/BaseQuickAdapterListUpdateCallback.java

+package com.chad.library.adapter.base.diff;
+
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.ListUpdateCallback;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+
+public final class BaseQuickAdapterListUpdateCallback implements ListUpdateCallback {
+
+    @NonNull
+    private final BaseQuickAdapter mAdapter;
+
+    public BaseQuickAdapterListUpdateCallback(@NonNull BaseQuickAdapter adapter) {
+        this.mAdapter = adapter;
+    }
+
+    public void onInserted(int position, int count) {
+        this.mAdapter.notifyItemRangeInserted(position + mAdapter.getHeaderLayoutCount(), count);
+    }
+
+    public void onRemoved(int position, int count) {
+        this.mAdapter.notifyItemRangeRemoved(position + mAdapter.getHeaderLayoutCount(), count);
+    }
+
+    public void onMoved(int fromPosition, int toPosition) {
+        this.mAdapter.notifyItemMoved(fromPosition + mAdapter.getHeaderLayoutCount(), toPosition + mAdapter.getHeaderLayoutCount());
+    }
+
+    @Override
+    public void onChanged(int position, int count, @Nullable Object payload) {
+        this.mAdapter.notifyItemRangeChanged(position + mAdapter.getHeaderLayoutCount(), count, payload);
+    }
+}

library/src/main/java/com/chad/library/adapter/base/diff/BaseQuickDiffCallback.java

+package com.chad.library.adapter.base.diff;
+
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.DiffUtil;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Extend this method to quickly implement DiffUtil
+ *
+ * @param <T> Data type
+ */
+public abstract class BaseQuickDiffCallback<T> extends DiffUtil.Callback {
+
+    private List<T> newList;
+    private List<T> oldList;
+
+    public BaseQuickDiffCallback(@Nullable List<T> newList) {
+        this.newList = newList == null ? new ArrayList<T>() : newList;
+    }
+
+    public List<T> getNewList() {
+        return newList;
+    }
+
+    public List<T> getOldList() {
+        return oldList;
+    }
+
+    public void setOldList(@Nullable List<T> oldList) {
+        this.oldList = oldList == null ? new ArrayList<T>() : oldList;
+    }
+
+    @Override
+    public int getOldListSize() {
+        return oldList.size();
+    }
+
+    @Override
+    public int getNewListSize() {
+        return newList.size();
+    }
+
+    @Override
+    public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
+        return areItemsTheSame(oldList.get(oldItemPosition), newList.get(newItemPosition));
+    }
+
+    @Override
+    public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
+        return areContentsTheSame(oldList.get(oldItemPosition), newList.get(newItemPosition));
+    }
+
+    @Nullable
+    @Override
+    public Object getChangePayload(int oldItemPosition, int newItemPosition) {
+        return getChangePayload(oldList.get(oldItemPosition), newList.get(newItemPosition));
+    }
+
+    /**
+     * @param oldItem New data
+     * @param newItem old Data
+     * @return Return false if items are no same
+     */
+    protected abstract boolean areItemsTheSame(@NonNull T oldItem, @NonNull T newItem);
+
+    /**
+     * @param oldItem New data
+     * @param newItem old Data
+     * @return Return false if item content are no same
+     */
+    protected abstract boolean areContentsTheSame(@NonNull T oldItem, @NonNull T newItem);
+
+    /**
+     * Optional implementation
+     *
+     * @param oldItem New data
+     * @param newItem old Data
+     * @return Payload info
+     */
+    @Nullable
+    protected Object getChangePayload(@NonNull T oldItem, @NonNull T newItem) {
+        return null;
+    }
+}

library/src/main/java/com/chad/library/adapter/base/entity/AbstractExpandableItem.java

+package com.chad.library.adapter.base.entity;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * <p>A helper to implement expandable item.</p>
+ * <p>if you don't want to extent a class, you can also implement the interface IExpandable</p>
+ * Created by luoxw on 2016/8/9.
+ */
+public abstract class AbstractExpandableItem<T> implements IExpandable<T> {
+    protected boolean mExpandable = false;
+    protected List<T> mSubItems;
+
+    @Override
+    public boolean isExpanded() {
+        return mExpandable;
+    }
+
+    @Override
+    public void setExpanded(boolean expanded) {
+        mExpandable = expanded;
+    }
+
+    @Override
+    public List<T> getSubItems() {
+        return mSubItems;
+    }
+
+    public boolean hasSubItem() {
+        return mSubItems != null && mSubItems.size() > 0;
+    }
+
+    public void setSubItems(List<T> list) {
+        mSubItems = list;
+    }
+
+    public T getSubItem(int position) {
+        if (hasSubItem() && position < mSubItems.size()) {
+            return mSubItems.get(position);
+        } else {
+            return null;
+        }
+    }
+
+    public int getSubItemPosition(T subItem) {
+        return mSubItems != null ? mSubItems.indexOf(subItem) : -1;
+    }
+
+    public void addSubItem(T subItem) {
+        if (mSubItems == null) {
+            mSubItems = new ArrayList<>();
+        }
+        mSubItems.add(subItem);
+    }
+
+    public void addSubItem(int position, T subItem) {
+        if (mSubItems != null && position >= 0 && position < mSubItems.size()) {
+            mSubItems.add(position, subItem);
+        } else {
+            addSubItem(subItem);
+        }
+    }
+
+    public boolean contains(T subItem) {
+        return mSubItems != null && mSubItems.contains(subItem);
+    }
+
+    public boolean removeSubItem(T subItem) {
+        return mSubItems != null && mSubItems.remove(subItem);
+    }
+
+    public boolean removeSubItem(int position) {
+        if (mSubItems != null && position >= 0 && position < mSubItems.size()) {
+            mSubItems.remove(position);
+            return true;
+        }
+        return false;
+    }
+}

library/src/main/java/com/chad/library/adapter/base/entity/IExpandable.java

+package com.chad.library.adapter.base.entity;
+
+import java.util.List;
+
+/**
+ * implement the interface if the item is expandable
+ * Created by luoxw on 2016/8/8.
+ */
+public interface IExpandable<T> {
+    boolean isExpanded();
+    void setExpanded(boolean expanded);
+    List<T> getSubItems();
+
+    /**
+     * Get the level of this item. The level start from 0.
+     * If you don't care about the level, just return a negative.
+     */
+    int getLevel();
+}

library/src/main/java/com/chad/library/adapter/base/entity/MultiItemEntity.java

+package com.chad.library.adapter.base.entity;
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public interface MultiItemEntity {
+    int getItemType();
+}

library/src/main/java/com/chad/library/adapter/base/entity/SectionEntity.java

+package com.chad.library.adapter.base.entity;
+
+import java.io.Serializable;
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public abstract class SectionEntity<T> implements Serializable {
+    public boolean isHeader;
+    public T t;
+    public String header;
+
+    public SectionEntity(boolean isHeader, String header) {
+        this.isHeader = isHeader;
+        this.header = header;
+        this.t = null;
+    }
+
+    public SectionEntity(T t) {
+        this.isHeader = false;
+        this.header = null;
+        this.t = t;
+    }
+}

library/src/main/java/com/chad/library/adapter/base/entity/SectionMultiEntity.java

+package com.chad.library.adapter.base.entity;
+
+import java.io.Serializable;
+
+/**
+ * https://github.com/CymChad/BaseRecyclerViewAdapterHelper
+ */
+public abstract class SectionMultiEntity<T> implements Serializable, MultiItemEntity {
+
+    public boolean isHeader;
+    public T t;
+    public String header;
+
+    public SectionMultiEntity(boolean isHeader, String header) {
+        this.isHeader = isHeader;
+        this.header = header;
+        this.t = null;
+    }
+
+    public SectionMultiEntity(T t) {
+        this.isHeader = false;
+        this.header = null;
+        this.t = t;
+    }
+}

library/src/main/java/com/chad/library/adapter/base/listener/OnItemChildClickListener.java

+package com.chad.library.adapter.base.listener;
+
+import android.view.View;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+
+/**
+ * Created by AllenCoder on 2016/8/03.
+ * A convenience class to extend when you only want to OnItemChildClickListener for a subset
+ * of all the SimpleClickListener. This implements all methods in the
+ * {@link SimpleClickListener}
+ **/
+
+public abstract class OnItemChildClickListener extends SimpleClickListener {
+    @Override
+    public void onItemClick(BaseQuickAdapter adapter, View view, int position) {
+
+    }
+
+    @Override
+    public void onItemLongClick(BaseQuickAdapter adapter, View view, int position) {
+
+    }
+
+    @Override
+    public void onItemChildClick(BaseQuickAdapter adapter, View view, int position) {
+        onSimpleItemChildClick(adapter, view, position);
+    }
+
+    @Override
+    public void onItemChildLongClick(BaseQuickAdapter adapter, View view, int position) {
+
+    }
+
+    public abstract void onSimpleItemChildClick(BaseQuickAdapter adapter, View view, int position);
+}

library/src/main/java/com/chad/library/adapter/base/listener/OnItemChildLongClickListener.java

+package com.chad.library.adapter.base.listener;
+
+import android.view.View;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+
+/**
+ * Created by AllenCoder on 2016/8/03.
+ * A convenience class to extend when you only want to OnItemChildLongClickListener for a subset
+ * of all the SimpleClickListener. This implements all methods in the
+ * {@link SimpleClickListener}
+ **/
+public abstract class OnItemChildLongClickListener extends SimpleClickListener {
+    @Override
+    public void onItemClick(BaseQuickAdapter adapter, View view, int position) {
+
+    }
+
+    @Override
+    public void onItemLongClick(BaseQuickAdapter adapter, View view, int position) {
+
+    }
+
+    @Override
+    public void onItemChildClick(BaseQuickAdapter adapter, View view, int position) {
+
+    }
+
+    @Override
+    public void onItemChildLongClick(BaseQuickAdapter adapter, View view, int position) {
+        onSimpleItemChildLongClick(adapter, view, position);
+    }
+
+    public abstract void onSimpleItemChildLongClick(BaseQuickAdapter adapter, View view, int position);
+}

library/src/main/java/com/chad/library/adapter/base/listener/OnItemClickListener.java

+package com.chad.library.adapter.base.listener;
+
+import android.view.View;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+
+/**
+ * Created by AllenCoder on 2016/8/03.
+ * <p>
+ * <p>
+ * A convenience class to extend when you only want to OnItemClickListener for a subset
+ * of all the SimpleClickListener. This implements all methods in the
+ * {@link SimpleClickListener}
+ */
+public abstract class OnItemClickListener extends SimpleClickListener {
+    @Override
+    public void onItemClick(BaseQuickAdapter adapter, View view, int position) {
+        onSimpleItemClick(adapter, view, position);
+    }
+
+    @Override
+    public void onItemLongClick(BaseQuickAdapter adapter, View view, int position) {
+
+    }
+
+    @Override
+    public void onItemChildClick(BaseQuickAdapter adapter, View view, int position) {
+
+    }
+
+    @Override
+    public void onItemChildLongClick(BaseQuickAdapter adapter, View view, int position) {
+
+    }
+
+    public abstract void onSimpleItemClick(BaseQuickAdapter adapter, View view, int position);
+}

library/src/main/java/com/chad/library/adapter/base/listener/OnItemDragListener.java

+package com.chad.library.adapter.base.listener;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+/**
+ * Created by luoxw on 2016/6/20.
+ */
+public interface OnItemDragListener {
+    void onItemDragStart(RecyclerView.ViewHolder viewHolder, int pos);
+
+    void onItemDragMoving(RecyclerView.ViewHolder source, int from, RecyclerView.ViewHolder target, int to);
+
+    void onItemDragEnd(RecyclerView.ViewHolder viewHolder, int pos);
+}

library/src/main/java/com/chad/library/adapter/base/listener/OnItemLongClickListener.java

+package com.chad.library.adapter.base.listener;
+
+import android.view.View;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+
+/**
+ * create by: allen on 16/8/3.
+ */
+
+public abstract class OnItemLongClickListener extends SimpleClickListener {
+    @Override
+    public void onItemClick(BaseQuickAdapter adapter, View view, int position) {
+
+    }
+
+    @Override
+    public void onItemLongClick(BaseQuickAdapter adapter, View view, int position) {
+        onSimpleItemLongClick(adapter, view, position);
+    }
+
+    @Override
+    public void onItemChildClick(BaseQuickAdapter adapter, View view, int position) {
+
+    }
+
+    @Override
+    public void onItemChildLongClick(BaseQuickAdapter adapter, View view, int position) {
+    }
+
+    public abstract void onSimpleItemLongClick(BaseQuickAdapter adapter, View view, int position);
+}

library/src/main/java/com/chad/library/adapter/base/listener/OnItemSwipeListener.java

+package com.chad.library.adapter.base.listener;
+
+import android.graphics.Canvas;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+/**
+ * Created by luoxw on 2016/6/23.
+ */
+public interface OnItemSwipeListener {
+    /**
+     * Called when the swipe action start.
+     */
+    void onItemSwipeStart(RecyclerView.ViewHolder viewHolder, int pos);
+
+    /**
+     * Called when the swipe action is over.
+     * If you change the view on the start, you should reset is here, no matter the item has swiped or not.
+     *
+     * @param pos If the view is swiped, pos will be negative.
+     */
+    void clearView(RecyclerView.ViewHolder viewHolder, int pos);
+
+    /**
+     * Called when item is swiped, the view is going to be removed from the adapter.
+     */
+    void onItemSwiped(RecyclerView.ViewHolder viewHolder, int pos);
+
+    /**
+     * Draw on the empty edge when swipe moving
+     *
+     * @param canvas            the empty edge's canvas
+     * @param viewHolder        The ViewHolder which is being interacted by the User or it was
+     *                          interacted and simply animating to its original position
+     * @param dX                The amount of horizontal displacement caused by user's action
+     * @param dY                The amount of vertical displacement caused by user's action
+     * @param isCurrentlyActive True if this view is currently being controlled by the user or
+     *                          false it is simply animating back to its original state.
+     */
+    void onItemSwipeMoving(Canvas canvas, RecyclerView.ViewHolder viewHolder, float dX, float dY, boolean isCurrentlyActive);
+}

library/src/main/java/com/chad/library/adapter/base/listener/SimpleClickListener.java

+package com.chad.library.adapter.base.listener;
+
+import android.os.Build;
+import androidx.core.view.GestureDetectorCompat;
+import androidx.recyclerview.widget.RecyclerView;
+import android.view.GestureDetector;
+import android.view.HapticFeedbackConstants;
+import android.view.MotionEvent;
+import android.view.View;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.BaseViewHolder;
+
+import java.util.Set;
+
+import static com.chad.library.adapter.base.BaseQuickAdapter.EMPTY_VIEW;
+import static com.chad.library.adapter.base.BaseQuickAdapter.FOOTER_VIEW;
+import static com.chad.library.adapter.base.BaseQuickAdapter.HEADER_VIEW;
+import static com.chad.library.adapter.base.BaseQuickAdapter.LOADING_VIEW;
+
+/**
+ * Created by AllenCoder on 2016/8/03.
+ * <p>
+ * This can be useful for applications that wish to implement various forms of click and longclick and childView click
+ * manipulation of item views within the RecyclerView. SimpleClickListener may intercept
+ * a touch interaction already in progress even if the SimpleClickListener is already handling that
+ * gesture stream itself for the purposes of scrolling.
+ *
+ * @see RecyclerView.OnItemTouchListener
+ */
+public abstract class SimpleClickListener implements RecyclerView.OnItemTouchListener {
+    public static String TAG = "SimpleClickListener";
+
+    private GestureDetectorCompat mGestureDetector;
+    private RecyclerView recyclerView;
+    protected BaseQuickAdapter baseQuickAdapter;
+    private boolean mIsPrepressed = false;
+    private boolean mIsShowPress = false;
+    private View mPressedView = null;
+
+    @Override
+    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
+        if (recyclerView == null) {
+            this.recyclerView = rv;
+            this.baseQuickAdapter = (BaseQuickAdapter) recyclerView.getAdapter();
+            mGestureDetector = new GestureDetectorCompat(recyclerView.getContext(), new ItemTouchHelperGestureListener(recyclerView));
+        } else if (recyclerView != rv) {
+            this.recyclerView = rv;
+            this.baseQuickAdapter = (BaseQuickAdapter) recyclerView.getAdapter();
+            mGestureDetector = new GestureDetectorCompat(recyclerView.getContext(), new ItemTouchHelperGestureListener(recyclerView));
+        }
+        if (!mGestureDetector.onTouchEvent(e) && e.getActionMasked() == MotionEvent.ACTION_UP && mIsShowPress) {
+            if (mPressedView != null) {
+                BaseViewHolder vh = (BaseViewHolder) recyclerView.getChildViewHolder(mPressedView);
+                if (vh == null || !isHeaderOrFooterView(vh.getItemViewType())) {
+                    mPressedView.setPressed(false);
+                }
+            }
+            mIsShowPress = false;
+            mIsPrepressed = false;
+        }
+        return false;
+    }
+
+    @Override
+    public void onTouchEvent(RecyclerView rv, MotionEvent e) {
+        mGestureDetector.onTouchEvent(e);
+    }
+
+    @Override
+    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
+    }
+
+    private class ItemTouchHelperGestureListener implements GestureDetector.OnGestureListener {
+
+        private RecyclerView recyclerView;
+
+        @Override
+        public boolean onDown(MotionEvent e) {
+            mIsPrepressed = true;
+            mPressedView = recyclerView.findChildViewUnder(e.getX(), e.getY());
+            return false;
+        }
+
+        @Override
+        public void onShowPress(MotionEvent e) {
+            if (mIsPrepressed && mPressedView != null) {
+                mIsShowPress = true;
+            }
+        }
+
+        ItemTouchHelperGestureListener(RecyclerView recyclerView) {
+            this.recyclerView = recyclerView;
+        }
+
+        @Override
+        public boolean onSingleTapUp(MotionEvent e) {
+            if (mIsPrepressed && mPressedView != null) {
+                if (recyclerView.getScrollState() != RecyclerView.SCROLL_STATE_IDLE) {
+                    return false;
+                }
+                final View pressedView = mPressedView;
+                BaseViewHolder vh = (BaseViewHolder) recyclerView.getChildViewHolder(pressedView);
+
+                int position = vh.getAdapterPosition();
+                if(position == RecyclerView.NO_POSITION){
+                    return false;
+                }
+                if (isHeaderOrFooterPosition(position)) {
+                    return false;
+                }
+                position -= baseQuickAdapter.getHeaderLayoutCount();
+
+                Set<Integer> childClickViewIds = vh.getChildClickViewIds();
+                Set<Integer> nestViewIds = vh.getNestViews();
+                if (childClickViewIds != null && childClickViewIds.size() > 0) {
+                    for (Integer childClickViewId : childClickViewIds) {
+                        View childView = pressedView.findViewById(childClickViewId);
+                        if (childView != null) {
+                            if (inRangeOfView(childView, e) && childView.isEnabled()) {
+                                if (nestViewIds != null && nestViewIds.contains(childClickViewId)) {
+                                    return false;
+                                }
+                                setPressViewHotSpot(e, childView);
+                                childView.setPressed(true);
+                                onItemChildClick(baseQuickAdapter, childView, position);
+                                resetPressedView(childView);
+                                return true;
+                            } else {
+                                childView.setPressed(false);
+                            }
+                        }
+                    }
+                    setPressViewHotSpot(e, pressedView);
+                    mPressedView.setPressed(true);
+                    for (Integer childClickViewId : childClickViewIds) {
+                        View childView = pressedView.findViewById(childClickViewId);
+                        if (childView != null) {
+                            childView.setPressed(false);
+                        }
+                    }
+                    onItemClick(baseQuickAdapter, pressedView, position);
+                } else {
+                    setPressViewHotSpot(e, pressedView);
+                    mPressedView.setPressed(true);
+                    if (childClickViewIds != null && childClickViewIds.size() > 0) {
+                        for (Integer childClickViewId : childClickViewIds) {
+                            View childView = pressedView.findViewById(childClickViewId);
+                            if (childView != null) {
+                                childView.setPressed(false);
+                            }
+                        }
+                    }
+                    onItemClick(baseQuickAdapter, pressedView, position);
+                }
+                resetPressedView(pressedView);
+
+            }
+            return true;
+        }
+
+        private void resetPressedView(final View pressedView) {
+            if (pressedView != null) {
+                pressedView.postDelayed(new Runnable() {
+                    @Override
+                    public void run() {
+                        if (pressedView != null) {
+                            pressedView.setPressed(false);
+                        }
+
+                    }
+                }, 50);
+            }
+
+            mIsPrepressed = false;
+            mPressedView = null;
+        }
+
+        @Override
+        public void onLongPress(MotionEvent e) {
+            boolean isChildLongClick = false;
+            if (recyclerView.getScrollState() != RecyclerView.SCROLL_STATE_IDLE) {
+                return;
+            }
+            if (mIsPrepressed && mPressedView != null) {
+                mPressedView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS);
+                BaseViewHolder vh = (BaseViewHolder) recyclerView.getChildViewHolder(mPressedView);
+                int position = vh.getAdapterPosition();
+                if (position == RecyclerView.NO_POSITION) {
+                    return;
+                }
+                if (!isHeaderOrFooterPosition(position)) {
+                    Set<Integer> longClickViewIds = vh.getItemChildLongClickViewIds();
+                    Set<Integer> nestViewIds = vh.getNestViews();
+                    if (longClickViewIds != null && longClickViewIds.size() > 0) {
+                        for (Integer longClickViewId : longClickViewIds) {
+                            View childView = mPressedView.findViewById(longClickViewId);
+                            if (inRangeOfView(childView, e) && childView.isEnabled()) {
+                                if (nestViewIds != null && nestViewIds.contains(longClickViewId)) {
+                                    isChildLongClick = true;
+                                    break;
+                                }
+                                setPressViewHotSpot(e, childView);
+                                onItemChildLongClick(baseQuickAdapter, childView, position - baseQuickAdapter.getHeaderLayoutCount());
+                                childView.setPressed(true);
+                                mIsShowPress = true;
+                                isChildLongClick = true;
+                                break;
+                            }
+                        }
+                    }
+                    if (!isChildLongClick) {
+                        onItemLongClick(baseQuickAdapter, mPressedView, position - baseQuickAdapter.getHeaderLayoutCount());
+                        setPressViewHotSpot(e, mPressedView);
+                        mPressedView.setPressed(true);
+                        if (longClickViewIds != null) {
+                            for (Integer longClickViewId : longClickViewIds) {
+                                View childView = mPressedView.findViewById(longClickViewId);
+                                if (childView != null) {
+                                    childView.setPressed(false);
+                                }
+                            }
+                        }
+                        mIsShowPress = true;
+                    }
+                }
+            }
+        }
+
+        @Override
+        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
+            return false;
+        }
+
+        @Override
+        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
+            return false;
+        }
+    }
+
+    private void setPressViewHotSpot(final MotionEvent e, final View mPressedView) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            /**
+             * when   click   Outside the region  ,mPressedView is null
+             */
+            if (mPressedView != null && mPressedView.getBackground() != null) {
+                mPressedView.getBackground().setHotspot(e.getRawX(), e.getY() - mPressedView.getY());
+            }
+        }
+    }
+
+    /**
+     * Callback method to be invoked when an item in this AdapterView has
+     * been clicked.
+     * @param adapter
+     * @param view     The view within the AdapterView that was clicked (this
+     *                 will be a view provided by the adapter)
+     * @param position The position of the view in the adapter.
+     */
+    public abstract void onItemClick(BaseQuickAdapter adapter, View view, int position);
+
+    /**
+     * callback method to be invoked when an item in this view has been
+     * click and held
+     * @param adapter
+     * @param view     The view whihin the AbsListView that was clicked
+     * @param position The position of the view int the adapter
+     * @return true if the callback consumed the long click ,false otherwise
+     */
+    public abstract void onItemLongClick(BaseQuickAdapter adapter, View view, int position);
+    /**
+     * callback method to be invoked when an itemchild in this view has been click
+     * @param adapter
+     * @param view     The view whihin the AbsListView that was clicked
+     * @param position The position of the view int the adapter
+     * @return true if the callback consumed the long click ,false otherwise
+     */
+    public abstract void onItemChildClick(BaseQuickAdapter adapter, View view, int position);
+    /**
+     * callback method to be invoked when an item in this view has been
+     * click and held
+     * @param adapter
+     * @param view     The view whihin the AbsListView that was clicked
+     * @param position The position of the view int the adapter
+     * @return true if the callback consumed the long click ,false otherwise
+     */
+    public abstract void onItemChildLongClick(BaseQuickAdapter adapter, View view, int position);
+
+    public boolean inRangeOfView(View view, MotionEvent ev) {
+        int[] location = new int[2];
+        if (view == null || !view.isShown()) {
+            return false;
+        }
+        view.getLocationOnScreen(location);
+        int x = location[0];
+        int y = location[1];
+        if (ev.getRawX() < x
+                || ev.getRawX() > (x + view.getWidth())
+                || ev.getRawY() < y
+                || ev.getRawY() > (y + view.getHeight())) {
+            return false;
+        }
+        return true;
+    }
+
+    private boolean isHeaderOrFooterPosition(int position) {
+        /**
+         *  have a headview and EMPTY_VIEW FOOTER_VIEW LOADING_VIEW
+         */
+        if (baseQuickAdapter == null) {
+            if (recyclerView != null) {
+                baseQuickAdapter = (BaseQuickAdapter) recyclerView.getAdapter();
+            } else {
+                return false;
+            }
+        }
+        int type = baseQuickAdapter.getItemViewType(position);
+        return (type == EMPTY_VIEW || type == HEADER_VIEW || type == FOOTER_VIEW || type == LOADING_VIEW);
+    }
+
+    private boolean isHeaderOrFooterView(int type) {
+        return (type == EMPTY_VIEW || type == HEADER_VIEW || type == FOOTER_VIEW || type == LOADING_VIEW);
+    }
+}
+
+

library/src/main/java/com/chad/library/adapter/base/loadmore/LoadMoreView.java

+package com.chad.library.adapter.base.loadmore;
+
+import androidx.annotation.IdRes;
+import androidx.annotation.LayoutRes;
+
+import com.chad.library.adapter.base.BaseQuickAdapter;
+import com.chad.library.adapter.base.BaseViewHolder;
+
+/**
+ * Created by BlingBling on 2016/11/11.
+ */
+
+public abstract class LoadMoreView {
+
+    public static final int STATUS_DEFAULT = 1;
+    public static final int STATUS_LOADING = 2;
+    public static final int STATUS_FAIL = 3;
+    public static final int STATUS_END = 4;
+
+    private int mLoadMoreStatus = STATUS_DEFAULT;
+    private boolean mLoadMoreEndGone = false;
+
+    public void setLoadMoreStatus(int loadMoreStatus) {
+        this.mLoadMoreStatus = loadMoreStatus;
+    }
+
+    public int getLoadMoreStatus() {
+        return mLoadMoreStatus;
+    }
+
+    public void convert(BaseViewHolder holder) {
+        switch (mLoadMoreStatus) {
+            case STATUS_LOADING:
+                visibleLoading(holder, true);
+                visibleLoadFail(holder, false);
+                visibleLoadEnd(holder, false);
+                break;
+            case STATUS_FAIL:
+                visibleLoading(holder, false);
+                visibleLoadFail(holder, true);
+                visibleLoadEnd(holder, false);
+                break;
+            case STATUS_END:
+                visibleLoading(holder, false);
+                visibleLoadFail(holder, false);
+                visibleLoadEnd(holder, true);
+                break;
+            case STATUS_DEFAULT:
+                visibleLoading(holder, false);
+                visibleLoadFail(holder, false);
+                visibleLoadEnd(holder, false);
+                break;
+            default:
+                break;
+        }
+    }
+
+    private void visibleLoading(BaseViewHolder holder, boolean visible) {
+        holder.setGone(getLoadingViewId(), visible);
+    }
+
+    private void visibleLoadFail(BaseViewHolder holder, boolean visible) {
+        holder.setGone(getLoadFailViewId(), visible);
+    }
+
+    private void visibleLoadEnd(BaseViewHolder holder, boolean visible) {
+        final int loadEndViewId = getLoadEndViewId();
+        if (loadEndViewId != 0) {
+            holder.setGone(loadEndViewId, visible);
+        }
+    }
+
+    public final void setLoadMoreEndGone(boolean loadMoreEndGone) {
+        this.mLoadMoreEndGone = loadMoreEndGone;
+    }
+
+    public final boolean isLoadEndMoreGone() {
+        if (getLoadEndViewId() == 0) {
+            return true;
+        }
+        return mLoadMoreEndGone;
+    }
+
+    /**
+     * No more data is hidden
+     *
+     * @return true for no more data hidden load more
+     * @deprecated Use {@link BaseQuickAdapter#loadMoreEnd(boolean)} instead.
+     */
+    @Deprecated
+    public boolean isLoadEndGone() {
+        return mLoadMoreEndGone;
+    }
+
+    /**
+     * load more layout
+     *
+     * @return
+     */
+    public abstract
+    @LayoutRes
+    int getLayoutId();
+
+    /**
+     * loading view
+     *
+     * @return
+     */
+    protected abstract
+    @IdRes
+    int getLoadingViewId();
+
+    /**
+     * load fail view
+     *
+     * @return
+     */
+    protected abstract
+    @IdRes
+    int getLoadFailViewId();
+
+    /**
+     * load end view, you can return 0
+     *
+     * @return
+     */
+    protected abstract
+    @IdRes
+    int getLoadEndViewId();
+}

library/src/main/java/com/chad/library/adapter/base/loadmore/SimpleLoadMoreView.java

+package com.chad.library.adapter.base.loadmore;
+
+
+import com.chad.library.R;
+
+/**
+ * Created by BlingBling on 2016/10/11.
+ */
+
+public final class SimpleLoadMoreView extends LoadMoreView {
+
+    @Override
+    public int getLayoutId() {
+        return R.layout.brvah_quick_view_load_more;
+    }
+
+    @Override
+    protected int getLoadingViewId() {
+        return R.id.load_more_loading_view;
+    }
+
+    @Override
+    protected int getLoadFailViewId() {
+        return R.id.load_more_load_fail_view;
+    }
+
+    @Override
+    protected int getLoadEndViewId() {
+        return R.id.load_more_load_end_view;
+    }
+}

library/src/main/java/com/chad/library/adapter/base/provider/BaseItemProvider.java

+package com.chad.library.adapter.base.provider;
+
+import android.content.Context;
+
+import com.chad.library.adapter.base.BaseViewHolder;
+
+import java.util.List;
+
+/**
+ * https://github.com/chaychan
+ * @author ChayChan
+ * @description: The base class of ItemProvider
+ * @date 2018/3/21  10:41
+ */
+
+public abstract class BaseItemProvider<T,V extends BaseViewHolder> {
+
+    public Context mContext;
+    public List<T> mData;
+
+    //子类须重写该方法返回viewType
+    //Rewrite this method to return viewType
+    public abstract int viewType();
+
+    //子类须重写该方法返回layout
+    //Rewrite this method to return layout
+    public abstract int layout();
+
+    public abstract void convert(V helper, T data, int position);
+
+    //子类若想实现条目点击事件则重写该方法
+    //Subclasses override this method if you want to implement an item click event
+    public void onClick(V helper, T data, int position){};
+
+    //子类若想实现条目长按事件则重写该方法
+    //Subclasses override this method if you want to implement an item long press event
+    public boolean onLongClick(V helper, T data, int position){return false;};
+}

library/src/main/java/com/chad/library/adapter/base/util/ItemProviderException.java

+package com.chad.library.adapter.base.util;
+
+/**
+ * @author ChayChan
+ * @description: ItemProviderException
+ * @date 2018/4/12  9:10
+ */
+
+public class ItemProviderException extends NullPointerException {
+
+    public ItemProviderException(String message) {
+        super(message);
+    }
+
+}

library/src/main/java/com/chad/library/adapter/base/util/MultiTypeDelegate.java

+package com.chad.library.adapter.base.util;
+
+import android.util.SparseIntArray;
+
+import androidx.annotation.LayoutRes;
+
+import java.util.List;
+
+import static com.chad.library.adapter.base.BaseMultiItemQuickAdapter.TYPE_NOT_FOUND;
+
+/**
+ * help you to achieve multi type easily
+ * <p>
+ * Created by tysheng
+ * Date: 2017/4/6 08:41.
+ * Email: tyshengsx@gmail.com
+ * <p>
+ * <p>
+ * more information: https://github.com/CymChad/BaseRecyclerViewAdapterHelper/issues/968
+ */
+
+public abstract class MultiTypeDelegate<T> {
+
+    private static final int DEFAULT_VIEW_TYPE = -0xff;
+    private SparseIntArray layouts;
+    private boolean autoMode, selfMode;
+
+    public MultiTypeDelegate(SparseIntArray layouts) {
+        this.layouts = layouts;
+    }
+
+    public MultiTypeDelegate() {
+    }
+
+    public final int getDefItemViewType(List<T> data, int position) {
+        T item = data.get(position);
+        return item != null ? getItemType(item) : DEFAULT_VIEW_TYPE;
+    }
+
+    /**
+     * get the item type from specific entity.
+     *
+     * @param t entity
+     * @return item type
+     */
+    protected abstract int getItemType(T t);
+
+    public final int getLayoutId(int viewType) {
+        return this.layouts.get(viewType, TYPE_NOT_FOUND);
+    }
+
+    private void addItemType(int type, @LayoutRes int layoutResId) {
+        if (this.layouts == null) {
+            this.layouts = new SparseIntArray();
+        }
+        this.layouts.put(type, layoutResId);
+    }
+
+    /**
+     * auto increase type vale, start from 0.
+     *
+     * @param layoutResIds layout id arrays
+     * @return MultiTypeDelegate
+     */
+    public MultiTypeDelegate registerItemTypeAutoIncrease(@LayoutRes int... layoutResIds) {
+        autoMode = true;
+        checkMode(selfMode);
+        for (int i = 0; i < layoutResIds.length; i++) {
+            addItemType(i, layoutResIds[i]);
+        }
+        return this;
+    }
+
+    /**
+     * set your own type one by one.
+     *
+     * @param type        type value
+     * @param layoutResId layout id
+     * @return MultiTypeDelegate
+     */
+    public MultiTypeDelegate registerItemType(int type, @LayoutRes int layoutResId) {
+        selfMode = true;
+        checkMode(autoMode);
+        addItemType(type, layoutResId);
+        return this;
+    }
+
+    private void checkMode(boolean mode) {
+        if (mode) {
+            throw new IllegalArgumentException("Don't mess two register mode");
+        }
+    }
+}

library/src/main/java/com/chad/library/adapter/base/util/ProviderDelegate.java

+package com.chad.library.adapter.base.util;
+
+import android.util.SparseArray;
+
+import com.chad.library.adapter.base.provider.BaseItemProvider;
+
+/**
+ * https://github.com/chaychan
+ * @author ChayChan
+ * @date 2018/3/21  11:04
+ */
+
+public class ProviderDelegate {
+
+    private SparseArray<BaseItemProvider> mItemProviders = new SparseArray<>();
+
+    public void registerProvider(BaseItemProvider provider){
+        if (provider == null){
+            throw new ItemProviderException("ItemProvider can not be null");
+        }
+
+        int viewType = provider.viewType();
+
+        if (mItemProviders.get(viewType) == null){
+            mItemProviders.put(viewType,provider);
+        }
+    }
+
+    public SparseArray<BaseItemProvider> getItemProviders(){
+        return mItemProviders;
+    }
+
+}

library/src/main/java/com/chad/library/adapter/base/util/TouchEventUtil.java

+package com.chad.library.adapter.base.util;
+
+import android.view.MotionEvent;
+
+public class TouchEventUtil {
+
+    public static String getTouchAction(int actionId) {
+        String actionName = "Unknow:id=" + actionId;
+        switch (actionId) {
+            case MotionEvent.ACTION_DOWN:
+                actionName = "ACTION_DOWN";
+                break;
+            case MotionEvent.ACTION_MOVE:
+                actionName = "ACTION_MOVE";
+                break;
+            case MotionEvent.ACTION_UP:
+                actionName = "ACTION_UP";
+                break;
+            case MotionEvent.ACTION_CANCEL:
+                actionName = "ACTION_CANCEL";
+                break;
+            case MotionEvent.ACTION_OUTSIDE:
+                actionName = "ACTION_OUTSIDE";
+                break;
+            default:
+                break;
+        }
+        return actionName;
+    }
+
+}

library/src/main/res/drawable/brvah_sample_footer_loading_progress.xml

+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item>
+        <rotate
+            android:drawable="@drawable/brvah_sample_footer_loading"
+            android:duration="500"
+            android:fromDegrees="0.0"
+            android:pivotX="50.0%"
+            android:pivotY="50.0%"
+            android:toDegrees="360.0" />
+    </item>
+
+</layer-list>
\ No newline at end of file

library/src/main/res/layout/brvah_quick_view_load_more.xml

+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="@dimen/dp_40">
+
+    <LinearLayout
+        android:id="@+id/load_more_loading_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="horizontal">
+
+        <ProgressBar
+            android:id="@+id/loading_progress"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            style="?android:attr/progressBarStyleSmall"
+            android:layout_marginRight="@dimen/dp_4"/>
+
+        <TextView
+            android:id="@+id/loading_text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="@dimen/dp_4"
+            android:text="@string/brvah_loading"
+            android:textColor="@android:color/black"
+            android:textSize="@dimen/sp_14"/>
+    </LinearLayout>
+
+    <FrameLayout
+        android:id="@+id/load_more_load_fail_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone">
+
+
+        <TextView
+            android:id="@+id/tv_prompt"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:text="@string/brvah_load_failed"/>
+
+    </FrameLayout>
+
+    <FrameLayout
+        android:id="@+id/load_more_load_end_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:text="@string/brvah_load_end"
+            android:textColor="@android:color/darker_gray"/>
+    </FrameLayout>
+</FrameLayout>
\ No newline at end of file

library/src/main/res/values-en/strings.xml

+<resources>
+    <string name="brvah_loading">Loading...</string>
+    <string name="brvah_load_failed">load more failed</string>
+    <string name="brvah_load_end">No more data</string>
+</resources>

library/src/main/res/values/dimens.xml

+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="def_height">50dp</dimen>
+
+    <dimen name="dp_4">4dp</dimen>
+    <dimen name="dp_10">10dp</dimen>
+    <dimen name="dp_40">40dp</dimen>
+
+    <dimen name="sp_14">14sp</dimen>
+</resources>

library/src/main/res/values/ids.xml

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <item name="BaseQuickAdapter_viewholder_support" type="id"/>
+    <item name="BaseQuickAdapter_swiping_support" type="id"/>
+    <item name="BaseQuickAdapter_dragging_support" type="id"/>
+    <item name="BaseQuickAdapter_databinding_support" type="id"/>
+</resources>
\ No newline at end of file

library/src/main/res/values/strings.xml

+<resources>
+    <string name="brvah_app_name">Library</string>
+    <string name="brvah_loading">正在加载中...</string>
+    <string name="brvah_load_failed">加载失败，请点我重试</string>
+    <string name="brvah_load_end">没有更多数据</string>
+</resources>

settings.gradle

+include ':library'
 include ':FastBleLib'
 include ':app'
 rootProject.name = "BluToysApplication"
\ No newline at end of file