├── app
    ├── .gitignore
    ├── src
    │   ├── main
    │   │   ├── res
    │   │   │   ├── values
    │   │   │   │   ├── strings.xml
    │   │   │   │   ├── colors.xml
    │   │   │   │   └── styles.xml
    │   │   │   ├── mipmap-hdpi
    │   │   │   │   ├── ic_launcher.png
    │   │   │   │   └── ic_launcher_round.png
    │   │   │   ├── mipmap-mdpi
    │   │   │   │   ├── ic_launcher.png
    │   │   │   │   └── ic_launcher_round.png
    │   │   │   ├── mipmap-xhdpi
    │   │   │   │   ├── ic_launcher.png
    │   │   │   │   └── ic_launcher_round.png
    │   │   │   ├── mipmap-xxhdpi
    │   │   │   │   ├── ic_launcher.png
    │   │   │   │   └── ic_launcher_round.png
    │   │   │   ├── mipmap-xxxhdpi
    │   │   │   │   ├── ic_launcher.png
    │   │   │   │   └── ic_launcher_round.png
    │   │   │   ├── mipmap-anydpi-v26
    │   │   │   │   ├── ic_launcher.xml
    │   │   │   │   └── ic_launcher_round.xml
    │   │   │   ├── layout
    │   │   │   │   ├── layotu_button_2.xml
    │   │   │   │   ├── layotu_button_1.xml
    │   │   │   │   └── activity_main.xml
    │   │   │   ├── drawable-v24
    │   │   │   │   └── ic_launcher_foreground.xml
    │   │   │   └── drawable
    │   │   │   │   └── ic_launcher_background.xml
    │   │   ├── java
    │   │   │   └── com
    │   │   │   │   └── xk
    │   │   │   │       └── simplenestrecyclerview
    │   │   │   │           ├── bean
    │   │   │   │               ├── BrandBean.java
    │   │   │   │               └── CategoryBean.java
    │   │   │   │           ├── BrandAdapter.java
    │   │   │   │           ├── CategoryAdapter.java
    │   │   │   │           └── MainActivity.java
    │   │   └── AndroidManifest.xml
    │   ├── test
    │   │   └── java
    │   │   │   └── com
    │   │   │       └── xk
    │   │   │           └── simplenestrecyclerview
    │   │   │               └── ExampleUnitTest.java
    │   └── androidTest
    │   │   └── java
    │   │       └── com
    │   │           └── xk
    │   │               └── simplenestrecyclerview
    │   │                   └── ExampleInstrumentedTest.java
    ├── proguard-rules.pro
    └── build.gradle
├── simplenestlist
    ├── .gitignore
    ├── src
    │   ├── main
    │   │   ├── res
    │   │   │   └── values
    │   │   │   │   └── strings.xml
    │   │   ├── AndroidManifest.xml
    │   │   └── java
    │   │   │   └── com
    │   │   │       └── xk
    │   │   │           └── simplenestlist
    │   │   │               ├── BaseViewHolder.java
    │   │   │               ├── layouthelper
    │   │   │                   ├── LayoutHelper.java
    │   │   │                   ├── LinearLayoutHelper.java
    │   │   │                   ├── SingleLayoutHelper.java
    │   │   │                   ├── GridLayoutHelper.java
    │   │   │                   ├── TitleGridLayoutHelper.java
    │   │   │                   └── CrossGridLayoutHelper.java
    │   │   │               ├── SimpleNestListException.java
    │   │   │               ├── SimpleNestLayoutManager.java
    │   │   │               ├── adapter
    │   │   │                   ├── DefaultDiffCallback.java
    │   │   │                   ├── SingleAdapter.java
    │   │   │                   └── AbsSubAdapter.java
    │   │   │               ├── Cantor.java
    │   │   │               └── DelegateAdapter.java
    │   ├── test
    │   │   └── java
    │   │   │   └── com
    │   │   │       └── xk
    │   │   │           └── lib
    │   │   │               └── ExampleUnitTest.java
    │   └── androidTest
    │   │   └── java
    │   │       └── com
    │   │           └── xk
    │   │               └── lib
    │   │                   └── ExampleInstrumentedTest.java
    ├── proguard-rules.pro
    └── build.gradle
├── settings.gradle
├── image
    ├── demo.jpeg
    ├── demo.jpg
    ├── grid.png
    ├── list.png
    ├── single.png
    ├── jdhome.jpeg
    ├── jdcategory.jpeg
    ├── jdfilter.jpeg
    ├── taobaohome.jpeg
    ├── titlegrid.png
    ├── taobaofilter.jpeg
    └── crossgridlayout.png
├── gradle
    └── wrapper
    │   ├── gradle-wrapper.jar
    │   └── gradle-wrapper.properties
├── .idea
    ├── encodings.xml
    ├── compiler.xml
    ├── vcs.xml
    ├── jd_smartfox
    │   └── smartfox_info.xml
    ├── runConfigurations.xml
    ├── gradle.xml
    ├── codeStyles
    │   └── Project.xml
    ├── misc.xml
    └── inspectionProfiles
    │   └── Project_Default.xml
├── .gitignore
├── gradle.properties
├── gradlew.bat
├── README.md
└── gradlew


/app/.gitignore:
--------------------------------------------------------------------------------
1 | /build
2 | 


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/simplenestlist/.gitignore:
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1 | /build
2 | 


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/settings.gradle:
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1 | include ':app', ':simplenestlist'
2 | 


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/image/demo.jpeg:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/demo.jpeg


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/image/demo.jpg:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/demo.jpg


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/image/grid.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/grid.png


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/image/list.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/list.png


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/image/single.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/single.png


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/image/jdhome.jpeg:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/jdhome.jpeg


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/image/jdcategory.jpeg:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/jdcategory.jpeg


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/image/jdfilter.jpeg:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/jdfilter.jpeg


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/image/taobaohome.jpeg:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/taobaohome.jpeg


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/image/titlegrid.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/titlegrid.png


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/image/taobaofilter.jpeg:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/taobaofilter.jpeg


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/image/crossgridlayout.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/image/crossgridlayout.png


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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/gradle/wrapper/gradle-wrapper.jar


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/app/src/main/res/values/strings.xml:
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1 | <resources>
2 |     <string name="app_name">SimpleNestRecyclerView</string>
3 | </resources>
4 | 


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/simplenestlist/src/main/res/values/strings.xml:
--------------------------------------------------------------------------------
1 | <resources>
2 |     <string name="app_name">simplenestlist</string>
3 | </resources>
4 | 


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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png


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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png


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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png


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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png


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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png


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/app/src/main/res/mipmap-hdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-mdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/94kai/SimpleNestList/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png


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/simplenestlist/src/main/AndroidManifest.xml:
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1 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
2 |     package="com.xk.simplenestlist" />
3 | 


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/.idea/encodings.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="Encoding">
4 |     <file url="PROJECT" charset="UTF-8" />
5 |   </component>
6 | </project>


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/.idea/compiler.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="CompilerConfiguration">
4 |     <bytecodeTargetLevel target="1.8" />
5 |   </component>
6 | </project>


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/.idea/vcs.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="VcsDirectoryMappings">
4 |     <mapping directory="$PROJECT_DIR$" vcs="Git" />
5 |   </component>
6 | </project>


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/app/src/main/res/values/colors.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="utf-8"?>
2 | <resources>
3 |     <color name="colorPrimary">#008577</color>
4 |     <color name="colorPrimaryDark">#00574B</color>
5 |     <color name="colorAccent">#D81B60</color>
6 | </resources>
7 | 


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/.gitignore:
--------------------------------------------------------------------------------
 1 | *.iml
 2 | .gradle
 3 | /local.properties
 4 | /.idea/caches
 5 | /.idea/libraries
 6 | /.idea/modules.xml
 7 | /.idea/workspace.xml
 8 | /.idea/navEditor.xml
 9 | /.idea/assetWizardSettings.xml
10 | .DS_Store
11 | /build
12 | /captures
13 | .externalNativeBuild
14 | 


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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Wed Apr 24 10:48:24 CST 2019
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
7 | 


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/.idea/jd_smartfox/smartfox_info.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="JdSmartFoxProjectConfig">
4 |     <option name="projectInspectionClosed" value="true" />
5 |     <option name="projectSafeInspectionClosed" value="true" />
6 |   </component>
7 | </project>


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/app/src/main/java/com/xk/simplenestrecyclerview/bean/BrandBean.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestrecyclerview.bean;
 2 | 
 3 | /**
 4 |  * @author xuekai1
 5 |  * @date 2019/4/24
 6 |  */
 7 | public class BrandBean {
 8 |     public String name;
 9 | 
10 |     public BrandBean(String name) {
11 |         this.name = name;
12 |     }
13 | 
14 |     public BrandBean() {
15 |     }
16 | }
17 | 


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/app/src/main/java/com/xk/simplenestrecyclerview/bean/CategoryBean.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestrecyclerview.bean;
 2 | 
 3 | /**
 4 |  * @author xuekai1
 5 |  * @date 2019/4/24
 6 |  */
 7 | public class CategoryBean {
 8 |     public String name = "";
 9 | 
10 |     public CategoryBean(String name) {
11 |         this.name = name;
12 |     }
13 | 
14 |     public CategoryBean() {
15 |     }
16 | }
17 | 


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/app/src/main/res/layout/layotu_button_2.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent">
 5 | 
 6 |     <Button
 7 |         android:id="@+id/btn"
 8 |         android:layout_width="match_parent"
 9 |         android:layout_height="wrap_content" />
10 | </FrameLayout>


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/app/src/main/res/layout/layotu_button_1.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent">
 5 | 
 6 |     <Button
 7 |         android:id="@+id/btn"
 8 |         android:layout_width="match_parent"
 9 |         android:layout_height="wrap_content"
10 |         />
11 | </FrameLayout>


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/app/src/main/res/values/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!-- Base application theme. -->
 4 |     <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
 5 |         <!-- Customize your theme here. -->
 6 |         <item name="colorPrimary">@color/colorPrimary</item>
 7 |         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
 8 |         <item name="colorAccent">@color/colorAccent</item>
 9 |     </style>
10 | 
11 | </resources>
12 | 


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/simplenestlist/src/main/java/com/xk/simplenestlist/BaseViewHolder.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist;
 2 | 
 3 | import android.support.annotation.NonNull;
 4 | import android.support.v7.widget.RecyclerView;
 5 | import android.view.View;
 6 | 
 7 | /**
 8 |  * @author xuekai1
 9 |  * @date 2019/4/24
10 |  */
11 | public class BaseViewHolder extends RecyclerView.ViewHolder {
12 |     public BaseViewHolder(@NonNull View itemView) {
13 |         super(itemView);
14 |     }
15 | }
16 | 


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/simplenestlist/src/test/java/com/xk/lib/ExampleUnitTest.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist;
 2 | 
 3 | import org.junit.Test;
 4 | 
 5 | import static org.junit.Assert.*;
 6 | 
 7 | /**
 8 |  * Example local unit test, which will execute on the development machine (host).
 9 |  *
10 |  * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
11 |  */
12 | public class ExampleUnitTest {
13 |     @Test
14 |     public void addition_isCorrect() {
15 |         assertEquals(4, 2 + 2);
16 |     }
17 | }


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/app/src/test/java/com/xk/simplenestrecyclerview/ExampleUnitTest.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestrecyclerview;
 2 | 
 3 | import org.junit.Test;
 4 | 
 5 | import static org.junit.Assert.*;
 6 | 
 7 | /**
 8 |  * Example local unit test, which will execute on the development machine (host).
 9 |  *
10 |  * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
11 |  */
12 | public class ExampleUnitTest {
13 |     @Test
14 |     public void addition_isCorrect() {
15 |         assertEquals(4, 2 + 2);
16 |     }
17 | }


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/simplenestlist/src/main/java/com/xk/simplenestlist/layouthelper/LayoutHelper.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist.layouthelper;
 2 | 
 3 | /**
 4 |  * 自定义布局继承他
 5 |  * @author xuekai1
 6 |  * @date 2019/4/24
 7 |  */
 8 | public abstract class LayoutHelper {
 9 | 
10 |     /**
11 |      * 需要支持的span。如果有多行需要支持3、4、5、6列，就用3 4 5 6
12 |      */
13 |     protected int[] needSpan = {1};
14 | 
15 |     public abstract int getSpanForPosition(int position, int maxSpanCount);
16 | 
17 |     public int[] getNeedSpan() {
18 |         return needSpan;
19 |     }
20 | }
21 | 


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/app/src/main/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     xmlns:app="http://schemas.android.com/apk/res-auto"
 4 |     xmlns:tools="http://schemas.android.com/tools"
 5 |     android:layout_width="match_parent"
 6 |     android:layout_height="match_parent"
 7 |     tools:context=".MainActivity">
 8 | 
 9 |     <android.support.v7.widget.RecyclerView
10 |         android:id="@+id/recyclerview"
11 |         android:layout_width="match_parent"
12 |         android:layout_height="match_parent" />
13 | 
14 | </FrameLayout>


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/.idea/runConfigurations.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="RunConfigurationProducerService">
 4 |     <option name="ignoredProducers">
 5 |       <set>
 6 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
 7 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
 8 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
 9 |       </set>
10 |     </option>
11 |   </component>
12 | </project>


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/simplenestlist/src/main/java/com/xk/simplenestlist/SimpleNestListException.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist;
 2 | 
 3 | /**
 4 |  * @author xuekai1
 5 |  * @date 2019/4/24
 6 |  */
 7 | public class SimpleNestListException extends RuntimeException{
 8 |     public SimpleNestListException() {
 9 |     }
10 | 
11 |     public SimpleNestListException(String message) {
12 |         super(message);
13 |     }
14 | 
15 |     public SimpleNestListException(String message, Throwable cause) {
16 |         super(message, cause);
17 |     }
18 | 
19 |     public SimpleNestListException(Throwable cause) {
20 |         super(cause);
21 |     }
22 | }
23 | 


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/.idea/gradle.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="GradleSettings">
 4 |     <option name="linkedExternalProjectsSettings">
 5 |       <GradleProjectSettings>
 6 |         <option name="distributionType" value="DEFAULT_WRAPPED" />
 7 |         <option name="externalProjectPath" value="$PROJECT_DIR$" />
 8 |         <option name="modules">
 9 |           <set>
10 |             <option value="$PROJECT_DIR$" />
11 |             <option value="$PROJECT_DIR$/app" />
12 |             <option value="$PROJECT_DIR$/simplenestlist" />
13 |           </set>
14 |         </option>
15 |         <option name="resolveModulePerSourceSet" value="false" />
16 |       </GradleProjectSettings>
17 |     </option>
18 |   </component>
19 | </project>


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/simplenestlist/src/main/java/com/xk/simplenestlist/layouthelper/LinearLayoutHelper.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist.layouthelper;
 2 | 
 3 | import com.xk.simplenestlist.SimpleNestListException;
 4 | 
 5 | /**
 6 |  * 线性的
 7 |  * | - |
 8 |  * | - |
 9 |  * | - |
10 |  * | - |
11 |  * | - |
12 |  * | - |
13 |  *
14 |  * @author xuekai1
15 |  * @date 2019/4/24
16 |  */
17 | public class LinearLayoutHelper extends LayoutHelper {
18 | 
19 |     public LinearLayoutHelper() {
20 |         this.needSpan = new int[]{1};
21 |     }
22 | 
23 |     @Override
24 |     public int getSpanForPosition(int position, int maxSpanCount) {
25 |         if ((maxSpanCount<1)) {
26 |             throw new SimpleNestListException("spanCount要大于1");
27 |         }
28 |         return maxSpanCount;
29 |     }
30 | }
31 | 


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/gradle.properties:
--------------------------------------------------------------------------------
 1 | # Project-wide Gradle settings.
 2 | # IDE (e.g. Android Studio) users:
 3 | # Gradle settings configured through the IDE *will override*
 4 | # any settings specified in this file.
 5 | # For more details on how to configure your build environment visit
 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html
 7 | # Specifies the JVM arguments used for the daemon process.
 8 | # The setting is particularly useful for tweaking memory settings.
 9 | org.gradle.jvmargs=-Xmx1536m
10 | # When configured, Gradle will run in incubating parallel mode.
11 | # This option should only be used with decoupled projects. More details, visit
12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
13 | # org.gradle.parallel=true
14 | 
15 | 
16 | 


--------------------------------------------------------------------------------
/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.xk.simplenestrecyclerview">
 4 | 
 5 |     <application
 6 |         android:allowBackup="true"
 7 |         android:icon="@mipmap/ic_launcher"
 8 |         android:label="@string/app_name"
 9 |         android:roundIcon="@mipmap/ic_launcher_round"
10 |         android:supportsRtl="true"
11 |         android:theme="@style/AppTheme">
12 |         <activity android:name=".MainActivity">
13 |             <intent-filter>
14 |                 <action android:name="android.intent.action.MAIN" />
15 | 
16 |                 <category android:name="android.intent.category.LAUNCHER" />
17 |             </intent-filter>
18 |         </activity>
19 |     </application>
20 | 
21 | </manifest>


--------------------------------------------------------------------------------
/app/proguard-rules.pro:
--------------------------------------------------------------------------------
 1 | # Add project specific ProGuard rules here.
 2 | # You can control the set of applied configuration files using the
 3 | # proguardFiles setting in build.gradle.
 4 | #
 5 | # For more details, see
 6 | #   http://developer.android.com/guide/developing/tools/proguard.html
 7 | 
 8 | # If your project uses WebView with JS, uncomment the following
 9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | #   public *;
13 | #}
14 | 
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 | 
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 | 


--------------------------------------------------------------------------------
/simplenestlist/proguard-rules.pro:
--------------------------------------------------------------------------------
 1 | # Add project specific ProGuard rules here.
 2 | # You can control the set of applied configuration files using the
 3 | # proguardFiles setting in build.gradle.
 4 | #
 5 | # For more details, see
 6 | #   http://developer.android.com/guide/developing/tools/proguard.html
 7 | 
 8 | # If your project uses WebView with JS, uncomment the following
 9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | #   public *;
13 | #}
14 | 
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 | 
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 | 


--------------------------------------------------------------------------------
/simplenestlist/src/main/java/com/xk/simplenestlist/SimpleNestLayoutManager.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist;
 2 | 
 3 | import android.content.Context;
 4 | import android.support.v7.widget.GridLayoutManager;
 5 | import android.util.AttributeSet;
 6 | 
 7 | /**
 8 |  * @author xuekai1
 9 |  * @date 2019/4/24
10 |  */
11 | public class SimpleNestLayoutManager extends GridLayoutManager {
12 |     public SimpleNestLayoutManager(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
13 |         super(context, attrs, defStyleAttr, defStyleRes);
14 |     }
15 | 
16 |     public SimpleNestLayoutManager(Context context) {
17 |         super(context, 1);
18 |     }
19 | 
20 |     public SimpleNestLayoutManager(Context context, int spanCount, int orientation, boolean reverseLayout) {
21 |         super(context, spanCount, orientation, reverseLayout);
22 |     }
23 | 
24 | }
25 | 


--------------------------------------------------------------------------------
/simplenestlist/src/androidTest/java/com/xk/lib/ExampleInstrumentedTest.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist;
 2 | 
 3 | import android.content.Context;
 4 | import android.support.test.InstrumentationRegistry;
 5 | import android.support.test.runner.AndroidJUnit4;
 6 | 
 7 | import org.junit.Test;
 8 | import org.junit.runner.RunWith;
 9 | 
10 | import static org.junit.Assert.*;
11 | 
12 | /**
13 |  * Instrumented test, which will execute on an Android device.
14 |  *
15 |  * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
16 |  */
17 | @RunWith(AndroidJUnit4.class)
18 | public class ExampleInstrumentedTest {
19 |     @Test
20 |     public void useAppContext() {
21 |         // Context of the app under test.
22 |         Context appContext = InstrumentationRegistry.getTargetContext();
23 | 
24 |         assertEquals("com.xk.simplenestlist.test", appContext.getPackageName());
25 |     }
26 | }
27 | 


--------------------------------------------------------------------------------
/app/src/androidTest/java/com/xk/simplenestrecyclerview/ExampleInstrumentedTest.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestrecyclerview;
 2 | 
 3 | import android.content.Context;
 4 | import android.support.test.InstrumentationRegistry;
 5 | import android.support.test.runner.AndroidJUnit4;
 6 | 
 7 | import org.junit.Test;
 8 | import org.junit.runner.RunWith;
 9 | 
10 | import static org.junit.Assert.*;
11 | 
12 | /**
13 |  * Instrumented test, which will execute on an Android device.
14 |  *
15 |  * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
16 |  */
17 | @RunWith(AndroidJUnit4.class)
18 | public class ExampleInstrumentedTest {
19 |     @Test
20 |     public void useAppContext() {
21 |         // Context of the app under test.
22 |         Context appContext = InstrumentationRegistry.getTargetContext();
23 | 
24 |         assertEquals("com.xk.simplenestrecyclerview", appContext.getPackageName());
25 |     }
26 | }
27 | 


--------------------------------------------------------------------------------
/simplenestlist/src/main/java/com/xk/simplenestlist/layouthelper/SingleLayoutHelper.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist.layouthelper;
 2 | 
 3 | import com.xk.simplenestlist.SimpleNestListException;
 4 | 
 5 | /**
 6 |  * 只显示一个组件
 7 |  *
 8 |  * 还可以用来解决如下问题
 9 |  *
10 |  * 三列grid+四列grid
11 |  * | -   -   - |
12 |  * | -   -   - |
13 |  * | -   -   - |
14 |  * | - - - - - |
15 |  * | - - - - - |
16 |  * | - - - - - |
17 |  * 当三列gird最后一行不全时，四列gird的第一个item会顶上去，如下
18 |  * | -   -   - |
19 |  * | -   -   - |
20 |  * | -   - -   | 该行最后一个元素是下面四列grid的模块
21 |  * | - - - - - |
22 |  * | - - - - - |
23 |  * | - - - -   |
24 |  * 此时可以给两个模块中插入一个singleLayoutHelper
25 |  * @author xuekai1
26 |  * @date 2019/4/24
27 |  */
28 | public class SingleLayoutHelper extends LayoutHelper {
29 |     @Override
30 |     public int getSpanForPosition(int position, int maxSpanCount) {
31 |         if (position>0) {
32 |             throw new SimpleNestListException("singleLayoutHelper只支持一个item");
33 |         }
34 |         return maxSpanCount;
35 |     }
36 | }
37 | 


--------------------------------------------------------------------------------
/simplenestlist/src/main/java/com/xk/simplenestlist/adapter/DefaultDiffCallback.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist.adapter;
 2 | 
 3 | import android.support.v7.util.DiffUtil;
 4 | 
 5 | import java.util.List;
 6 | 
 7 | /**
 8 |  * @author xuekai1
 9 |  * @date 2019/4/25
10 |  */
11 | public class DefaultDiffCallback<Data> extends DiffUtil.Callback {
12 |     private List<Data> oldData, newData;
13 | 
14 |     public DefaultDiffCallback() {
15 | 
16 |     }
17 | 
18 |     public void setDatas(List<Data> oldData, List<Data> newData) {
19 |         this.oldData = oldData;
20 |         this.newData = newData;
21 |     }
22 | 
23 |     @Override
24 |     public int getOldListSize() {
25 |         return oldData == null ? 0 : oldData.size();
26 |     }
27 | 
28 |     @Override
29 |     public int getNewListSize() {
30 |         return newData == null ? 0 : newData.size();
31 |     }
32 | 
33 |     @Override
34 |     public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
35 |         return false;
36 |     }
37 | 
38 |     @Override
39 |     public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
40 |         return false;
41 |     }
42 | }
43 | 


--------------------------------------------------------------------------------
/app/build.gradle:
--------------------------------------------------------------------------------
 1 | apply plugin: 'com.android.application'
 2 | 
 3 | android {
 4 |     compileSdkVersion 28
 5 |     defaultConfig {
 6 |         applicationId "com.xk.simplenestrecyclerview"
 7 |         minSdkVersion 21
 8 |         targetSdkVersion 28
 9 |         versionCode 1
10 |         versionName "1.0"
11 |         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
12 |     }
13 |     buildTypes {
14 |         release {
15 |             minifyEnabled false
16 |             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
17 |         }
18 |     }
19 | }
20 | 
21 | dependencies {
22 |     implementation fileTree(include: ['*.jar'], dir: 'libs')
23 |     implementation 'com.android.support:appcompat-v7:28.0.0'
24 |     implementation 'com.android.support.constraint:constraint-layout:1.1.3'
25 |     implementation 'com.android.support:recyclerview-v7:28.0.0'
26 |     testImplementation 'junit:junit:4.12'
27 |     androidTestImplementation 'com.android.support.test:runner:1.0.2'
28 |     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
29 |     implementation project(':simplenestlist')
30 | }
31 | 


--------------------------------------------------------------------------------
/simplenestlist/src/main/java/com/xk/simplenestlist/layouthelper/GridLayoutHelper.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist.layouthelper;
 2 | 
 3 | import com.xk.simplenestlist.SimpleNestListException;
 4 | 
 5 | /**
 6 |  * 网格型的
 7 |  * | - - - |
 8 |  * | - - - |
 9 |  * | - - - |
10 |  * | - - - |
11 |  * | - - - |
12 |  *
13 |  * @author xuekai1
14 |  * @date 2019/4/24
15 |  */
16 | public class GridLayoutHelper extends LayoutHelper {
17 | 
18 |     private final int mColumn;
19 | 
20 |     public GridLayoutHelper(int column) {
21 |         this.mColumn = column;
22 |         this.needSpan = new int[]{column};
23 |     }
24 | 
25 |     @Override
26 |     public int getSpanForPosition(int position, int maxSpanCount) {
27 |         //有个问题，每个adapter之间可能会在一行。可以通过插入一个0px的singleLayoutHelper实现
28 |         if (mColumn > maxSpanCount) {
29 |             throw new SimpleNestListException("gridLayoutHelper不能指定大于maxSpanCount的column");
30 |         }
31 |         int span = maxSpanCount / mColumn;
32 |         if (span * mColumn != maxSpanCount) {
33 |             //校验一下是否整除了
34 |             throw new SimpleNestListException("maxSpanCount设置有误。请设置所有可能存在的列数的最小公倍数");
35 |         }
36 |         return span;
37 |     }
38 | }
39 | 


--------------------------------------------------------------------------------
/simplenestlist/src/main/java/com/xk/simplenestlist/Cantor.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist;
 2 | 
 3 | /**
 4 |  * Created by longerian on 2017/12/10.
 5 |  *
 6 |  * @author longerian
 7 |  * @date 2017/12/10
 8 |  */
 9 | 
10 | public class Cantor {
11 | 
12 |     /**
13 |      * @param k1
14 |      * @param k2
15 |      * @return cantor pair for k1 and k2
16 |      */
17 |     public static long getCantor(long k1, long k2) {
18 |         return (k1 + k2) * (k1 + k2 + 1) / 2 + k2;
19 |     }
20 | 
21 |     /**
22 |      * reverse cantor pair to origin number k1 and k2, k1 is stored in result[0], and k2 is stored in result[1]
23 |      *
24 |      * @param cantor a computed cantor number
25 |      * @param result the array to store output values
26 |      */
27 |     public static void reverseCantor(long cantor, long[] result) {
28 |         if (result == null || result.length < 2) {
29 |             result = new long[2];
30 |         }
31 |         // reverse Cantor Function
32 |         long w = (long) (Math.floor(Math.sqrt(8 * cantor + 1) - 1) / 2);
33 |         long t = (w * w + w) / 2;
34 | 
35 |         long k2 = cantor - t;
36 |         long k1 = w - k2;
37 |         result[0] = k1;
38 |         result[1] = k2;
39 |     }
40 | 
41 | }
42 | 


--------------------------------------------------------------------------------
/simplenestlist/src/main/java/com/xk/simplenestlist/layouthelper/TitleGridLayoutHelper.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist.layouthelper;
 2 | 
 3 | import com.xk.simplenestlist.SimpleNestListException;
 4 | 
 5 | /**
 6 |  * 带有title的网格型的
 7 |  * | ----- |
 8 |  * | - - - |
 9 |  * | - - - |
10 |  * | - - - |
11 |  * | - - - |
12 |  *
13 |  * @author xuekai1
14 |  * @date 2019/4/24
15 |  */
16 | public class TitleGridLayoutHelper extends LayoutHelper {
17 | 
18 |     private final int mColumn;
19 | 
20 |     public TitleGridLayoutHelper(int column) {
21 |         this.mColumn = column;
22 |         this.needSpan = new int[]{column};
23 |     }
24 | 
25 |     @Override
26 |     public int getSpanForPosition(int position, int maxSpanCount) {
27 |         // TODO: by xk 2019/4/24 下午1:24 有个问题，每个adapter之间可能会在一行，或许可以通过重写getSpanIndex实现
28 |         if (mColumn > maxSpanCount) {
29 |             throw new SimpleNestListException("TitleGridLayoutHelper不能指定大于maxSpanCount" + maxSpanCount + "的column" + mColumn);
30 |         }
31 |         if (position == 0) {
32 |             return maxSpanCount;
33 |         }
34 |         int span = maxSpanCount / mColumn;
35 |         if (span * mColumn != maxSpanCount) {
36 |             //校验一下是否整除了
37 |             throw new SimpleNestListException("maxSpanCount设置有误。请设置所有可能存在的列数的最小公倍数");
38 |         }
39 |         return span;
40 |     }
41 | }
42 | 


--------------------------------------------------------------------------------
/simplenestlist/src/main/java/com/xk/simplenestlist/layouthelper/CrossGridLayoutHelper.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist.layouthelper;
 2 | 
 3 | /**
 4 |  * 一个交叉型的网格布局的实例。也可以模仿实现其他自定义各种交叉规则，或者实现一个通用的helper。
 5 |  * 由于该类型不定性太大，完全取决于
 6 |  * 业务需求，所以我不会实现一个通用的，毕竟越通用，使用门槛越高。大家自己跟着定制自己的规则即可。
 7 |  * | -|-|- |
 8 |  * | -|--- |
 9 |  * | ---|- |
10 |  * | --|-- |
11 |  * | - - - |
12 |  * | - - - |
13 |  *
14 |  * @author xuekai1
15 |  * @date 2019/4/24
16 |  */
17 | public class CrossGridLayoutHelper extends LayoutHelper {
18 | 
19 | 
20 |     public CrossGridLayoutHelper() {
21 |         //第一行3列，第二行可以认为是4列。所以是3 4
22 |         this.needSpan = new int[]{3, 4};
23 |     }
24 | 
25 |     @Override
26 |     public int getSpanForPosition(int position, int maxSpanCount) {
27 |         //一行需要分成几列，就用maxSpanCount除以几。
28 |         if (position < 3) {
29 |             return maxSpanCount / 3;
30 |         } else if (position == 3) {
31 |             return maxSpanCount / 4;
32 |         } else if (position == 4) {
33 |             return maxSpanCount / 4 * 3;
34 |         } else if (position == 5) {
35 |             return maxSpanCount / 4 * 3;
36 |         } else if (position == 6) {
37 |             return maxSpanCount / 4;
38 |         } else if (position < 9) {
39 |             return maxSpanCount / 2;
40 |         } else {
41 |             return maxSpanCount / 3;
42 |         }
43 |     }
44 | }
45 | 


--------------------------------------------------------------------------------
/simplenestlist/src/main/java/com/xk/simplenestlist/adapter/SingleAdapter.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestlist.adapter;
 2 | 
 3 | import android.graphics.Color;
 4 | import android.support.annotation.NonNull;
 5 | import android.view.View;
 6 | import android.view.ViewGroup;
 7 | import android.widget.TextView;
 8 | 
 9 | import com.xk.simplenestlist.BaseViewHolder;
10 | import com.xk.simplenestlist.layouthelper.LayoutHelper;
11 | 
12 | /**
13 |  * @author xuekai1
14 |  * @date 2019/4/24
15 |  */
16 | public class SingleAdapter<Data> extends AbsSubAdapter<Data> {
17 |     public SingleAdapter(LayoutHelper layoutHelper) {
18 |         super(layoutHelper);
19 |     }
20 | 
21 |     @Override
22 |     public BaseViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
23 |         View itemView;
24 |         itemView = new TextView(viewGroup.getContext());
25 |         ((TextView) itemView).setText("我是一条分割线，你可以把我高度设为0.");
26 |         itemView.setBackgroundColor(Color.RED);
27 | 
28 |         itemView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
29 |         return new BaseViewHolder(itemView);
30 |     }
31 | 
32 |     @Override
33 |     public void onBindViewHolder(@NonNull BaseViewHolder baseViewHolder, int i) {
34 |     }
35 | 
36 |     @Override
37 |     public final int getItemCount() {
38 |         return 1;
39 |     }
40 | }
41 | 


--------------------------------------------------------------------------------
/.idea/codeStyles/Project.xml:
--------------------------------------------------------------------------------
 1 | <component name="ProjectCodeStyleConfiguration">
 2 |   <code_scheme name="Project" version="173">
 3 |     <Objective-C-extensions>
 4 |       <file>
 5 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
 6 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
 7 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
 8 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
 9 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
10 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
11 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
12 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
13 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
14 |       </file>
15 |       <class>
16 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
17 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
18 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
19 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
20 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
21 |         <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
22 |       </class>
23 |       <extensions>
24 |         <pair source="cpp" header="h" fileNamingConvention="NONE" />
25 |         <pair source="c" header="h" fileNamingConvention="NONE" />
26 |       </extensions>
27 |     </Objective-C-extensions>
28 |   </code_scheme>
29 | </component>


--------------------------------------------------------------------------------
/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
--------------------------------------------------------------------------------
 1 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:aapt="http://schemas.android.com/aapt"
 3 |     android:width="108dp"
 4 |     android:height="108dp"
 5 |     android:viewportWidth="108"
 6 |     android:viewportHeight="108">
 7 |     <path
 8 |         android:fillType="evenOdd"
 9 |         android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
10 |         android:strokeWidth="1"
11 |         android:strokeColor="#00000000">
12 |         <aapt:attr name="android:fillColor">
13 |             <gradient
14 |                 android:endX="78.5885"
15 |                 android:endY="90.9159"
16 |                 android:startX="48.7653"
17 |                 android:startY="61.0927"
18 |                 android:type="linear">
19 |                 <item
20 |                     android:color="#44000000"
21 |                     android:offset="0.0" />
22 |                 <item
23 |                     android:color="#00000000"
24 |                     android:offset="1.0" />
25 |             </gradient>
26 |         </aapt:attr>
27 |     </path>
28 |     <path
29 |         android:fillColor="#FFFFFF"
30 |         android:fillType="nonZero"
31 |         android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
32 |         android:strokeWidth="1"
33 |         android:strokeColor="#00000000" />
34 | </vector>
35 | 


--------------------------------------------------------------------------------
/app/src/main/java/com/xk/simplenestrecyclerview/BrandAdapter.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestrecyclerview;
 2 | 
 3 | import android.support.annotation.NonNull;
 4 | import android.support.v7.widget.RecyclerView;
 5 | import android.view.View;
 6 | import android.view.ViewGroup;
 7 | import android.widget.Button;
 8 | import android.widget.TextView;
 9 | 
10 | import com.xk.simplenestlist.BaseViewHolder;
11 | import com.xk.simplenestlist.adapter.AbsSubAdapter;
12 | import com.xk.simplenestlist.layouthelper.LayoutHelper;
13 | import com.xk.simplenestlist.layouthelper.TitleGridLayoutHelper;
14 | import com.xk.simplenestrecyclerview.bean.BrandBean;
15 | 
16 | /**
17 |  * @author xuekai1
18 |  * @date 2019/4/24
19 |  */
20 | public class BrandAdapter extends AbsSubAdapter<BrandBean> {
21 | 
22 |     public BrandAdapter(LayoutHelper layoutHelper) {
23 |         super(layoutHelper);
24 |     }
25 | 
26 |     public BrandAdapter(LayoutHelper layoutHelper, RecyclerView.RecycledViewPool pool) {
27 |         super(layoutHelper,pool);
28 |         //设置回收池大小
29 | //        pool.setMaxRecycledViews(1,10);
30 | //        pool.setMaxRecycledViews(1,10);
31 | //        pool.setMaxRecycledViews(1,10);
32 | //        pool.setMaxRecycledViews(1,10);
33 | //        pool.setMaxRecycledViews(1,10);
34 |     }
35 |     @NonNull
36 |     @Override
37 |     public BaseViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
38 |         View itemView;
39 |         itemView = new Button(viewGroup.getContext());
40 |         itemView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
41 |         return new BaseViewHolder(itemView);
42 |     }
43 | 
44 |     @Override
45 |     public void onBindViewHolder(@NonNull BaseViewHolder baseViewHolder, int i) {
46 |         if (mLayoutHelper instanceof TitleGridLayoutHelper) {
47 |             if (i != 0) {
48 |                 Button button = (Button) baseViewHolder.itemView;
49 |                 button.setText("brand:" + i + "  ");
50 |             } else {
51 |                 ((TextView) baseViewHolder.itemView).setText("我是brand的title");
52 |             }
53 |         } else {
54 |             Button button = (Button) baseViewHolder.itemView;
55 |             button.setText("brand:" + i + "  ");
56 |         }
57 |     }
58 | }
59 | 


--------------------------------------------------------------------------------
/app/src/main/java/com/xk/simplenestrecyclerview/CategoryAdapter.java:
--------------------------------------------------------------------------------
 1 | package com.xk.simplenestrecyclerview;
 2 | 
 3 | import android.support.annotation.NonNull;
 4 | import android.view.View;
 5 | import android.view.ViewGroup;
 6 | import android.widget.Button;
 7 | import android.widget.TextView;
 8 | 
 9 | import com.xk.simplenestlist.BaseViewHolder;
10 | import com.xk.simplenestlist.adapter.AbsSubAdapter;
11 | import com.xk.simplenestlist.layouthelper.LayoutHelper;
12 | import com.xk.simplenestlist.layouthelper.TitleGridLayoutHelper;
13 | import com.xk.simplenestrecyclerview.bean.CategoryBean;
14 | 
15 | /**
16 |  * @author xuekai1
17 |  * @date 2019/4/24
18 |  */
19 | public class CategoryAdapter extends AbsSubAdapter<CategoryBean> {
20 | 
21 |     /**
22 |      * 实现类似二级菜单展开、收起的功能
23 |      */
24 |     boolean isClose = false;
25 | 
26 |     public CategoryAdapter(LayoutHelper layoutHelper) {
27 |         super(layoutHelper);
28 |     }
29 | 
30 |     @NonNull
31 |     @Override
32 |     public BaseViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
33 |         View itemView;
34 |         itemView = new Button(viewGroup.getContext());
35 |         itemView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
36 |         return new BaseViewHolder(itemView);
37 |     }
38 | 
39 |     @Override
40 |     public void onBindViewHolder(@NonNull BaseViewHolder baseViewHolder, int i) {
41 |         if (mLayoutHelper instanceof TitleGridLayoutHelper) {
42 |             if (i != 0) {
43 |                 Button button = (Button) baseViewHolder.itemView;
44 |                 button.setText(mData.get(i).name + "category:" + i + "  ");
45 |             } else {
46 |                 ((TextView) baseViewHolder.itemView).setText("我是category的title");
47 |             }
48 |         } else {
49 |             Button button = (Button) baseViewHolder.itemView;
50 |             button.setText(mData.get(i).name + "category:" + i);
51 |         }
52 |     }
53 | 
54 |     public void setCloseState(boolean isClose) {
55 |         this.isClose = isClose;
56 |     }
57 | 
58 | 
59 |     @Override
60 |     public int getItemCount() {
61 |         if (isClose) {
62 |             //关闭后只显示3个item。这块注意，数字至少也要大于mData.size()，否则onbindviewholder里会越界
63 |             return super.getItemCount() / 2;
64 |         } else {
65 |             //打开后显示全部
66 |             return super.getItemCount();
67 |         }
68 |     }
69 | }
70 | 


--------------------------------------------------------------------------------
/gradlew.bat:
--------------------------------------------------------------------------------
 1 | @if "%DEBUG%" == "" @echo off
 2 | @rem ##########################################################################
 3 | @rem
 4 | @rem  Gradle startup script for Windows
 5 | @rem
 6 | @rem ##########################################################################
 7 | 
 8 | @rem Set local scope for the variables with windows NT shell
 9 | if "%OS%"=="Windows_NT" setlocal
10 | 
11 | set DIRNAME=%~dp0
12 | if "%DIRNAME%" == "" set DIRNAME=.
13 | set APP_BASE_NAME=%~n0
14 | set APP_HOME=%DIRNAME%
15 | 
16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
17 | set DEFAULT_JVM_OPTS=
18 | 
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 | 
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 | 
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 | 
32 | goto fail
33 | 
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 | 
38 | if exist "%JAVA_EXE%" goto init
39 | 
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 | 
46 | goto fail
47 | 
48 | :init
49 | @rem Get command-line arguments, handling Windows variants
50 | 
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | 
53 | :win9xME_args
54 | @rem Slurp the command line arguments.
55 | set CMD_LINE_ARGS=
56 | set _SKIP=2
57 | 
58 | :win9xME_args_slurp
59 | if "x%~1" == "x" goto execute
60 | 
61 | set CMD_LINE_ARGS=%*
62 | 
63 | :execute
64 | @rem Setup the command line
65 | 
66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
67 | 
68 | @rem Execute Gradle
69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
70 | 
71 | :end
72 | @rem End local scope for the variables with windows NT shell
73 | if "%ERRORLEVEL%"=="0" goto mainEnd
74 | 
75 | :fail
76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
77 | rem the _cmd.exe /c_ return code!
78 | if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
79 | exit /b 1
80 | 
81 | :mainEnd
82 | if "%OS%"=="Windows_NT" endlocal
83 | 
84 | :omega
85 | 


--------------------------------------------------------------------------------
/simplenestlist/build.gradle:
--------------------------------------------------------------------------------
  1 | apply plugin: 'com.android.library'
  2 | apply plugin: 'com.github.dcendents.android-maven'
  3 | apply plugin: 'com.jfrog.bintray'
  4 | version = "1.0.0"
  5 | group = "com.xk.library"
  6 | def siteUrl = 'https://github.com/XSation/SimpleNestList'    // project homepage
  7 | def gitUrl = 'https://github.com/XSation/SimpleNestList.git' // project git
  8 | android {
  9 |     compileSdkVersion 28
 10 | 
 11 | 
 12 | 
 13 |     defaultConfig {
 14 |         minSdkVersion 21
 15 |         targetSdkVersion 28
 16 |         versionCode 1
 17 |         versionName "1.0"
 18 | 
 19 |         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 20 | 
 21 |     }
 22 | 
 23 |     buildTypes {
 24 |         release {
 25 |             minifyEnabled false
 26 |             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
 27 |         }
 28 |     }
 29 | 
 30 | }
 31 | 
 32 | dependencies {
 33 |     implementation fileTree(dir: 'libs', include: ['*.jar'])
 34 | 
 35 |     implementation 'com.android.support:appcompat-v7:28.0.0'
 36 |     implementation 'com.android.support:recyclerview-v7:27.0.0'
 37 |     testImplementation 'junit:junit:4.12'
 38 |     androidTestImplementation 'com.android.support.test:runner:1.0.2'
 39 |     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 40 | }
 41 | 
 42 | task sourcesJar(type: Jar) {
 43 |     from android.sourceSets.main.java.srcDirs
 44 |     classifier = 'sources'
 45 | }
 46 | task javadoc(type: Javadoc) {
 47 |     source = android.sourceSets.main.java.srcDirs
 48 |     classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
 49 | }
 50 | task javadocJar(type: Jar, dependsOn: javadoc) {
 51 |     classifier = 'javadoc'
 52 |     from javadoc.destinationDir
 53 | }
 54 | artifacts {
 55 |     archives javadocJar
 56 |     archives sourcesJar
 57 | }
 58 | 
 59 | install {
 60 |     repositories.mavenInstaller {
 61 |         // This generates POM.xml with proper parameters
 62 |         pom {
 63 |             project {
 64 |                 packaging 'aar'
 65 |                 name '嵌套recyclerview'
 66 |                 url siteUrl
 67 |                 // Set your license
 68 |                 licenses {
 69 |                     license {
 70 |                         name 'The Apache Software License, Version 2.0'
 71 |                         url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
 72 |                     }
 73 |                 }
 74 |                 developers {
 75 |                     developer { //填写的一些基本信息
 76 |                         id 'xuekai'
 77 |                         name 'xuekai'
 78 |                         email '3440395@qq.com'
 79 |                     }
 80 |                 }
 81 |                 scm {
 82 |                     connection gitUrl
 83 |                     developerConnection gitUrl
 84 |                     url siteUrl
 85 |                 }
 86 |             }
 87 |         }
 88 |     }
 89 | }
 90 | 
 91 | 
 92 | //配置bintray参数
 93 | Properties properties = new Properties()
 94 | properties.load(project.rootProject.file('local.properties').newDataInputStream())
 95 | bintray {
 96 |     user = properties.getProperty("bintrayUser")
 97 |     key = properties.getProperty("bintrayApiKey")
 98 |     configurations = ['archives']
 99 |     pkg {
100 |         repo = "maven"               //Maven仓库的名字
101 |         name = "SimpleNestList"                //com.xk.library:LimitApp:1.0.0
102 |         websiteUrl = siteUrl
103 |         vcsUrl = gitUrl
104 |         licenses = ["Apache-2.0"]
105 |         publish = true
106 |     }
107 | }
108 | 


--------------------------------------------------------------------------------
/.idea/misc.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="MarkdownProjectSettings">
 4 |     <PreviewSettings splitEditorLayout="SPLIT" splitEditorPreview="PREVIEW" useGrayscaleRendering="false" zoomFactor="1.0" maxImageWidth="0" showGitHubPageIfSynced="false" allowBrowsingInPreview="false" synchronizePreviewPosition="true" highlightPreviewType="NONE" highlightFadeOut="5" highlightOnTyping="true" synchronizeSourcePosition="true" verticallyAlignSourceAndPreviewSyncPosition="true" showSearchHighlightsInPreview="false" showSelectionInPreview="true">
 5 |       <PanelProvider>
 6 |         <provider providerId="com.vladsch.idea.multimarkdown.editor.swing.html.panel" providerName="Default - Swing" />
 7 |       </PanelProvider>
 8 |     </PreviewSettings>
 9 |     <ParserSettings>
10 |       <PegdownExtensions>
11 |         <option name="ABBREVIATIONS" value="false" />
12 |         <option name="ANCHORLINKS" value="true" />
13 |         <option name="ASIDE" value="false" />
14 |         <option name="ATXHEADERSPACE" value="true" />
15 |         <option name="AUTOLINKS" value="true" />
16 |         <option name="DEFINITIONS" value="false" />
17 |         <option name="FENCED_CODE_BLOCKS" value="true" />
18 |         <option name="FOOTNOTES" value="false" />
19 |         <option name="HARDWRAPS" value="false" />
20 |         <option name="INSERTED" value="false" />
21 |         <option name="QUOTES" value="false" />
22 |         <option name="RELAXEDHRULES" value="true" />
23 |         <option name="SMARTS" value="false" />
24 |         <option name="STRIKETHROUGH" value="true" />
25 |         <option name="SUBSCRIPT" value="false" />
26 |         <option name="SUPERSCRIPT" value="false" />
27 |         <option name="SUPPRESS_HTML_BLOCKS" value="false" />
28 |         <option name="SUPPRESS_INLINE_HTML" value="false" />
29 |         <option name="TABLES" value="true" />
30 |         <option name="TASKLISTITEMS" value="true" />
31 |         <option name="TOC" value="false" />
32 |         <option name="WIKILINKS" value="true" />
33 |       </PegdownExtensions>
34 |       <ParserOptions>
35 |         <option name="COMMONMARK_LISTS" value="false" />
36 |         <option name="DUMMY" value="false" />
37 |         <option name="EMOJI_SHORTCUTS" value="true" />
38 |         <option name="FLEXMARK_FRONT_MATTER" value="false" />
39 |         <option name="GFM_LOOSE_BLANK_LINE_AFTER_ITEM_PARA" value="true" />
40 |         <option name="GFM_TABLE_RENDERING" value="true" />
41 |         <option name="GITBOOK_URL_ENCODING" value="false" />
42 |         <option name="GITHUB_EMOJI_URL" value="false" />
43 |         <option name="GITHUB_LISTS" value="true" />
44 |         <option name="GITHUB_WIKI_LINKS" value="true" />
45 |         <option name="JEKYLL_FRONT_MATTER" value="false" />
46 |         <option name="SIM_TOC_BLANK_LINE_SPACER" value="true" />
47 |       </ParserOptions>
48 |     </ParserSettings>
49 |     <HtmlSettings headerTopEnabled="false" headerBottomEnabled="false" bodyTopEnabled="false" bodyBottomEnabled="false" embedUrlContent="false" addPageHeader="true">
50 |       <GeneratorProvider>
51 |         <provider providerId="com.vladsch.idea.multimarkdown.editor.swing.html.generator" providerName="Default Swing HTML Generator" />
52 |       </GeneratorProvider>
53 |       <headerTop />
54 |       <headerBottom />
55 |       <bodyTop />
56 |       <bodyBottom />
57 |     </HtmlSettings>
58 |     <CssSettings previewScheme="UI_SCHEME" cssUri="" isCssUriEnabled="false" isCssTextEnabled="false" isDynamicPageWidth="true">
59 |       <StylesheetProvider>
60 |         <provider providerId="com.vladsch.idea.multimarkdown.editor.swing.html.css" providerName="Default Swing Stylesheet" />
61 |       </StylesheetProvider>
62 |       <ScriptProviders />
63 |       <cssText />
64 |     </CssSettings>
65 |     <HtmlExportSettings updateOnSave="false" parentDir="$ProjectFileDir$" targetDir="$ProjectFileDir$" cssDir="" scriptDir="" plainHtml="false" imageDir="" copyLinkedImages="false" imageUniquifyType="0" targetExt="" useTargetExt="false" noCssNoScripts="false" linkToExportedHtml="true" exportOnSettingsChange="true" regenerateOnProjectOpen="false" />
66 |     <LinkMapSettings>
67 |       <textMaps />
68 |     </LinkMapSettings>
69 |   </component>
70 |   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
71 |     <output url="file://$PROJECT_DIR$/build/classes" />
72 |   </component>
73 |   <component name="ProjectType">
74 |     <option name="id" value="Android" />
75 |   </component>
76 | </project>


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
  1 | # 一款仿VLayout的可嵌套RecyclerView框架
  2 | 
  3 | # 鸣谢 ^_^
  4 | https://github.com/alibaba/vlayout
  5 | 
  6 | ## 使用
  7 | 
  8 | - 项目级build.gradle添加
  9 | ```
 10 | allprojects {
 11 |     repositories {
 12 |         ...
 13 |         maven{
 14 |             url "https://dl.bintray.com/xk3440395/maven"
 15 |         }
 16 |     }
 17 | }
 18 | ```
 19 | - module级build.gradle添加
 20 | ```
 21 | 
 22 | ```
 23 | 
 24 | ## 已实现的效果图
 25 | 
 26 | > 以下只是暂时已经实现的几个布局，他们支持任意组合，搭配。相同类型的view之间支持互相复用。更重要的是扩展出新的布局也很简单，可以直接参考已经实现的效果去做。
 27 | 
 28 | 列表
 29 | 
 30 |  ![列表](https://github.com/XSation/SimpleNestList/blob/master/image/list.png)
 31 | 
 32 | 网格
 33 | 
 34 |  ![网格](https://github.com/XSation/SimpleNestList/blob/master/image/grid.png)
 35 | 
 36 | 带title的网格
 37 | 
 38 |  ![带title的网格](https://github.com/XSation/SimpleNestList/blob/master/image/titlegrid.png)
 39 | 
 40 | 
 41 | 横跨view的独立控件
 42 | 
 43 |  ![横跨view的独立控件](https://github.com/XSation/SimpleNestList/blob/master/image/single.png)
 44 | 
 45 | 交错的网格（一个示例，具体可以根据自己产品需求自定义）
 46 | 
 47 |  ![交错的网格](https://github.com/XSation/SimpleNestList/blob/master/image/crossgridlayout.png)
 48 | 
 49 | 搭配起来的效果
 50 | 
 51 |  ![demo](https://github.com/XSation/SimpleNestList/blob/master/image/demo.jpeg)
 52 | 
 53 | 
 54 | ## 什么地方需要用到该框架（当然用VLayout是首选，不过重复造轮子也没什么不好，重要的是学习知识点 ^_^...）
 55 | 
 56 | ![淘宝首页](https://github.com/XSation/SimpleNestList/blob/master/image/taobaohome.jpeg)
 57 | ![淘宝筛选面板](https://github.com/XSation/SimpleNestList/blob/master/image/taobaofilter.jpeg)
 58 | ![京东首页](https://github.com/XSation/SimpleNestList/blob/master/image/jdhome.jpeg)
 59 | ![京东筛选面板](https://github.com/XSation/SimpleNestList/blob/master/image/jdfilter.jpeg)
 60 | ![京东分类](https://github.com/XSation/SimpleNestList/blob/master/image/jdcategory.jpeg)
 61 | 
 62 | ## 优缺点
 63 | - 对外暴露的api模仿VLayout实现，使用方式与VLayout一样简单。简化了开发步骤。
 64 | - 对于布局的实现，使用gridLayoutManager控制span实现。
 65 |     - 相较于VLayout：
 66 |         - 实现方式更low ^_^
 67 |         - 不支持流式布局
 68 |         - 但也有好处：扩展容易，只需要继承LayoutHelper，实现几个方法即可，具体可参考layouthelper包下的几个类。
 69 | - 目前已经实现的Layout：
 70 |     - LinearLayoutHelper 线性的，即类似于listView那样
 71 |     - GridLayoutHelper 网格型的，类似于GridView
 72 |     - TitleGridLayoutHelper title拖grid，可以实现类似于京东、淘宝、天猫搜索页面的筛选面板那样的布局。
 73 |     - SingleLayoutHelper 通栏型。 即放置一个控件，横向铺满屏幕。
 74 |         - 本来不打算实现该布局，因为他其实就是一个长度的LinearLayoutHelper。后来遇到一个问题。如下：
 75 |         三列grid+四列grid组合时，当三列gird最后一行不全时，四列gird的第一个item会顶上去，此时可以给两个模块中插入一个singleLayoutHelper
 76 |         - 参考https://github.com/XSation/SimpleNestList/blob/master/simplenestlist/src/main/java/com/xk/simplenestlist/layouthelper/SingleLayoutHelper.java
 77 |         - 所以干脆把他写出来了，使用也稍微方便了一点点。
 78 |     - 等等，具体以上面效果图为准
 79 | - 关于itemShareType
 80 |     - 类似于VLayout的mHasConsistItemType变量。
 81 |     - 最开始支持了不同模块之间viewtype共享，后来发现这样的话使用起来成本高，而且意义不是太大，所以直接删了。各模块之间的type互不干扰。
 82 |     - 每个subAdapter随意实现自己的getItemType即可
 83 | 
 84 | ## 数据操作、ui刷新
 85 | 
 86 | 目前支持：
 87 | - 整个recyclerView一次性刷。简单粗暴。
 88 | - 针对一个subAdapter刷。由于subAdapter的模块化开发。所以也很简单。同时效率也更好。
 89 | - 不要使用Adapter官方提供的方法!!!不要使用Adapter官方提供的方法!!!不要使用Adapter官方提供的方法!!!
 90 | - 构建AbsSubAdapter时传入RecycledViewPool，然后通过调用setMaxRecycledViews方法设置各种viewType的回收池大小
 91 | ### 如下：
 92 | 
 93 | - 简单粗暴法。刷整个recyclerview
 94 |     - 修改任意一个subAdapter的数据源之后，可以调用delegateAdapter.simpleNotifyDataSetChanged来刷新，注意不是系统提供的notifyDataSetChanged方法
 95 |         - delegateAdapter.simpleNotifyDataSetChanged();
 96 | - 略微粗暴法。
 97 |     - 刷一个subAdapter的小区域，目前只想到这种方法，并且必须要传入新旧数据源，没有好的思路保存这两数据源。大家有其他思路的可以提一提。
 98 |     - 使用默认的DiffCallback，即认为调用该方法，先移除，后新增，效率略低
 99 |         - categoryAdapter.simpleNotifyDataSetChanged(oldDatas, categoryBeans);
100 |     - 使用自定义的DiffCallback，会根据数据源的变化情况来刷，效率略高
101 |         - categoryAdapter.simpleNotifyDataSetChanged(oldDatas, categoryBeans,new DefaultDiffCallback<CategoryBean>(){// TODO: by xk 2019/4/25 下午3:56 实现各种自己的实现});
102 | - itemChanged
103 |     - categoryAdapter.simpleNotifyItemChanged(1);
104 | - itemRemove
105 |     - categoryAdapter.simpleNotifyItemRemoved(0);
106 | - itemMove
107 |     - categoryAdapter.simpleNotifyItemMoved(2, 10);
108 | - itemInserted
109 |     - categoryAdapter.simpleNotifyItemInserted(4);
110 | - itemRangeChanged
111 |     - categoryAdapter.simpleNotifyItemRangeChanged(1,4);
112 | - itemRangeRemoved
113 |     - categoryAdapter.simpleNotifyItemRangeRemoved(1,4);
114 | - itemRangeInserted
115 |     - categoryAdapter.simpleNotifyItemRangeInserted(1,4);
116 | 
117 | 
118 | # TODO
119 | - 可以利用ItemDecoration实现类似阿里的fix类型的布局。开发者同样使用adapter的形式使用，delegateadapter中把这种helper的subadapter过滤掉，单独处理。
120 | - 吸顶效果
121 | - 针对subAdapter刷所有数据时，不需要传入新旧数据源（没有想到较好的办法去保存修改前后数据源）


--------------------------------------------------------------------------------
/gradlew:
--------------------------------------------------------------------------------
  1 | #!/usr/bin/env sh
  2 | 
  3 | ##############################################################################
  4 | ##
  5 | ##  Gradle start up script for UN*X
  6 | ##
  7 | ##############################################################################
  8 | 
  9 | # Attempt to set APP_HOME
 10 | # Resolve links: $0 may be a link
 11 | PRG="$0"
 12 | # Need this for relative symlinks.
 13 | while [ -h "$PRG" ] ; do
 14 |     ls=`ls -ld "$PRG"`
 15 |     link=`expr "$ls" : '.*-> \(.*\)$'`
 16 |     if expr "$link" : '/.*' > /dev/null; then
 17 |         PRG="$link"
 18 |     else
 19 |         PRG=`dirname "$PRG"`"/$link"
 20 |     fi
 21 | done
 22 | SAVED="`pwd`"
 23 | cd "`dirname \"$PRG\"`/" >/dev/null
 24 | APP_HOME="`pwd -P`"
 25 | cd "$SAVED" >/dev/null
 26 | 
 27 | APP_NAME="Gradle"
 28 | APP_BASE_NAME=`basename "$0"`
 29 | 
 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 31 | DEFAULT_JVM_OPTS=""
 32 | 
 33 | # Use the maximum available, or set MAX_FD != -1 to use that value.
 34 | MAX_FD="maximum"
 35 | 
 36 | warn () {
 37 |     echo "$*"
 38 | }
 39 | 
 40 | die () {
 41 |     echo
 42 |     echo "$*"
 43 |     echo
 44 |     exit 1
 45 | }
 46 | 
 47 | # OS specific support (must be 'true' or 'false').
 48 | cygwin=false
 49 | msys=false
 50 | darwin=false
 51 | nonstop=false
 52 | case "`uname`" in
 53 |   CYGWIN* )
 54 |     cygwin=true
 55 |     ;;
 56 |   Darwin* )
 57 |     darwin=true
 58 |     ;;
 59 |   MINGW* )
 60 |     msys=true
 61 |     ;;
 62 |   NONSTOP* )
 63 |     nonstop=true
 64 |     ;;
 65 | esac
 66 | 
 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 68 | 
 69 | # Determine the Java command to use to start the JVM.
 70 | if [ -n "$JAVA_HOME" ] ; then
 71 |     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
 72 |         # IBM's JDK on AIX uses strange locations for the executables
 73 |         JAVACMD="$JAVA_HOME/jre/sh/java"
 74 |     else
 75 |         JAVACMD="$JAVA_HOME/bin/java"
 76 |     fi
 77 |     if [ ! -x "$JAVACMD" ] ; then
 78 |         die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
 79 | 
 80 | Please set the JAVA_HOME variable in your environment to match the
 81 | location of your Java installation."
 82 |     fi
 83 | else
 84 |     JAVACMD="java"
 85 |     which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 86 | 
 87 | Please set the JAVA_HOME variable in your environment to match the
 88 | location of your Java installation."
 89 | fi
 90 | 
 91 | # Increase the maximum file descriptors if we can.
 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
 93 |     MAX_FD_LIMIT=`ulimit -H -n`
 94 |     if [ $? -eq 0 ] ; then
 95 |         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
 96 |             MAX_FD="$MAX_FD_LIMIT"
 97 |         fi
 98 |         ulimit -n $MAX_FD
 99 |         if [ $? -ne 0 ] ; then
100 |             warn "Could not set maximum file descriptor limit: $MAX_FD"
101 |         fi
102 |     else
103 |         warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
104 |     fi
105 | fi
106 | 
107 | # For Darwin, add options to specify how the application appears in the dock
108 | if $darwin; then
109 |     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
110 | fi
111 | 
112 | # For Cygwin, switch paths to Windows format before running java
113 | if $cygwin ; then
114 |     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
115 |     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
116 |     JAVACMD=`cygpath --unix "$JAVACMD"`
117 | 
118 |     # We build the pattern for arguments to be converted via cygpath
119 |     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
120 |     SEP=""
121 |     for dir in $ROOTDIRSRAW ; do
122 |         ROOTDIRS="$ROOTDIRS$SEP$dir"
123 |         SEP="|"
124 |     done
125 |     OURCYGPATTERN="(^($ROOTDIRS))"
126 |     # Add a user-defined pattern to the cygpath arguments
127 |     if [ "$GRADLE_CYGPATTERN" != "" ] ; then
128 |         OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
129 |     fi
130 |     # Now convert the arguments - kludge to limit ourselves to /bin/sh
131 |     i=0
132 |     for arg in "$@" ; do
133 |         CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
134 |         CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
135 | 
136 |         if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
137 |             eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
138 |         else
139 |             eval `echo args$i`="\"$arg\""
140 |         fi
141 |         i=$((i+1))
142 |     done
143 |     case $i in
144 |         (0) set -- ;;
145 |         (1) set -- "$args0" ;;
146 |         (2) set -- "$args0" "$args1" ;;
147 |         (3) set -- "$args0" "$args1" "$args2" ;;
148 |         (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
149 |         (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
150 |         (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
151 |         (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
152 |         (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
153 |         (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
154 |     esac
155 | fi
156 | 
157 | # Escape application args
158 | save () {
159 |     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
160 |     echo " "
161 | }
162 | APP_ARGS=$(save "$@")
163 | 
164 | # Collect all arguments for the java command, following the shell quoting and substitution rules
165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
166 | 
167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
169 |   cd "$(dirname "$0")"
170 | fi
171 | 
172 | exec "$JAVACMD" "$@"
173 | 


--------------------------------------------------------------------------------
/app/src/main/res/drawable/ic_launcher_background.xml:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="utf-8"?>
  2 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
  3 |     android:width="108dp"
  4 |     android:height="108dp"
  5 |     android:viewportWidth="108"
  6 |     android:viewportHeight="108">
  7 |     <path
  8 |         android:fillColor="#008577"
  9 |         android:pathData="M0,0h108v108h-108z" />
 10 |     <path
 11 |         android:fillColor="#00000000"
 12 |         android:pathData="M9,0L9,108"
 13 |         android:strokeWidth="0.8"
 14 |         android:strokeColor="#33FFFFFF" />
 15 |     <path
 16 |         android:fillColor="#00000000"
 17 |         android:pathData="M19,0L19,108"
 18 |         android:strokeWidth="0.8"
 19 |         android:strokeColor="#33FFFFFF" />
 20 |     <path
 21 |         android:fillColor="#00000000"
 22 |         android:pathData="M29,0L29,108"
 23 |         android:strokeWidth="0.8"
 24 |         android:strokeColor="#33FFFFFF" />
 25 |     <path
 26 |         android:fillColor="#00000000"
 27 |         android:pathData="M39,0L39,108"
 28 |         android:strokeWidth="0.8"
 29 |         android:strokeColor="#33FFFFFF" />
 30 |     <path
 31 |         android:fillColor="#00000000"
 32 |         android:pathData="M49,0L49,108"
 33 |         android:strokeWidth="0.8"
 34 |         android:strokeColor="#33FFFFFF" />
 35 |     <path
 36 |         android:fillColor="#00000000"
 37 |         android:pathData="M59,0L59,108"
 38 |         android:strokeWidth="0.8"
 39 |         android:strokeColor="#33FFFFFF" />
 40 |     <path
 41 |         android:fillColor="#00000000"
 42 |         android:pathData="M69,0L69,108"
 43 |         android:strokeWidth="0.8"
 44 |         android:strokeColor="#33FFFFFF" />
 45 |     <path
 46 |         android:fillColor="#00000000"
 47 |         android:pathData="M79,0L79,108"
 48 |         android:strokeWidth="0.8"
 49 |         android:strokeColor="#33FFFFFF" />
 50 |     <path
 51 |         android:fillColor="#00000000"
 52 |         android:pathData="M89,0L89,108"
 53 |         android:strokeWidth="0.8"
 54 |         android:strokeColor="#33FFFFFF" />
 55 |     <path
 56 |         android:fillColor="#00000000"
 57 |         android:pathData="M99,0L99,108"
 58 |         android:strokeWidth="0.8"
 59 |         android:strokeColor="#33FFFFFF" />
 60 |     <path
 61 |         android:fillColor="#00000000"
 62 |         android:pathData="M0,9L108,9"
 63 |         android:strokeWidth="0.8"
 64 |         android:strokeColor="#33FFFFFF" />
 65 |     <path
 66 |         android:fillColor="#00000000"
 67 |         android:pathData="M0,19L108,19"
 68 |         android:strokeWidth="0.8"
 69 |         android:strokeColor="#33FFFFFF" />
 70 |     <path
 71 |         android:fillColor="#00000000"
 72 |         android:pathData="M0,29L108,29"
 73 |         android:strokeWidth="0.8"
 74 |         android:strokeColor="#33FFFFFF" />
 75 |     <path
 76 |         android:fillColor="#00000000"
 77 |         android:pathData="M0,39L108,39"
 78 |         android:strokeWidth="0.8"
 79 |         android:strokeColor="#33FFFFFF" />
 80 |     <path
 81 |         android:fillColor="#00000000"
 82 |         android:pathData="M0,49L108,49"
 83 |         android:strokeWidth="0.8"
 84 |         android:strokeColor="#33FFFFFF" />
 85 |     <path
 86 |         android:fillColor="#00000000"
 87 |         android:pathData="M0,59L108,59"
 88 |         android:strokeWidth="0.8"
 89 |         android:strokeColor="#33FFFFFF" />
 90 |     <path
 91 |         android:fillColor="#00000000"
 92 |         android:pathData="M0,69L108,69"
 93 |         android:strokeWidth="0.8"
 94 |         android:strokeColor="#33FFFFFF" />
 95 |     <path
 96 |         android:fillColor="#00000000"
 97 |         android:pathData="M0,79L108,79"
 98 |         android:strokeWidth="0.8"
 99 |         android:strokeColor="#33FFFFFF" />
100 |     <path
101 |         android:fillColor="#00000000"
102 |         android:pathData="M0,89L108,89"
103 |         android:strokeWidth="0.8"
104 |         android:strokeColor="#33FFFFFF" />
105 |     <path
106 |         android:fillColor="#00000000"
107 |         android:pathData="M0,99L108,99"
108 |         android:strokeWidth="0.8"
109 |         android:strokeColor="#33FFFFFF" />
110 |     <path
111 |         android:fillColor="#00000000"
112 |         android:pathData="M19,29L89,29"
113 |         android:strokeWidth="0.8"
114 |         android:strokeColor="#33FFFFFF" />
115 |     <path
116 |         android:fillColor="#00000000"
117 |         android:pathData="M19,39L89,39"
118 |         android:strokeWidth="0.8"
119 |         android:strokeColor="#33FFFFFF" />
120 |     <path
121 |         android:fillColor="#00000000"
122 |         android:pathData="M19,49L89,49"
123 |         android:strokeWidth="0.8"
124 |         android:strokeColor="#33FFFFFF" />
125 |     <path
126 |         android:fillColor="#00000000"
127 |         android:pathData="M19,59L89,59"
128 |         android:strokeWidth="0.8"
129 |         android:strokeColor="#33FFFFFF" />
130 |     <path
131 |         android:fillColor="#00000000"
132 |         android:pathData="M19,69L89,69"
133 |         android:strokeWidth="0.8"
134 |         android:strokeColor="#33FFFFFF" />
135 |     <path
136 |         android:fillColor="#00000000"
137 |         android:pathData="M19,79L89,79"
138 |         android:strokeWidth="0.8"
139 |         android:strokeColor="#33FFFFFF" />
140 |     <path
141 |         android:fillColor="#00000000"
142 |         android:pathData="M29,19L29,89"
143 |         android:strokeWidth="0.8"
144 |         android:strokeColor="#33FFFFFF" />
145 |     <path
146 |         android:fillColor="#00000000"
147 |         android:pathData="M39,19L39,89"
148 |         android:strokeWidth="0.8"
149 |         android:strokeColor="#33FFFFFF" />
150 |     <path
151 |         android:fillColor="#00000000"
152 |         android:pathData="M49,19L49,89"
153 |         android:strokeWidth="0.8"
154 |         android:strokeColor="#33FFFFFF" />
155 |     <path
156 |         android:fillColor="#00000000"
157 |         android:pathData="M59,19L59,89"
158 |         android:strokeWidth="0.8"
159 |         android:strokeColor="#33FFFFFF" />
160 |     <path
161 |         android:fillColor="#00000000"
162 |         android:pathData="M69,19L69,89"
163 |         android:strokeWidth="0.8"
164 |         android:strokeColor="#33FFFFFF" />
165 |     <path
166 |         android:fillColor="#00000000"
167 |         android:pathData="M79,19L79,89"
168 |         android:strokeWidth="0.8"
169 |         android:strokeColor="#33FFFFFF" />
170 | </vector>
171 | 


--------------------------------------------------------------------------------
/simplenestlist/src/main/java/com/xk/simplenestlist/adapter/AbsSubAdapter.java:
--------------------------------------------------------------------------------
  1 | package com.xk.simplenestlist.adapter;
  2 | 
  3 | 
  4 | import android.support.v7.util.DiffUtil;
  5 | import android.support.v7.util.ListUpdateCallback;
  6 | import android.support.v7.widget.RecyclerView;
  7 | import android.view.ViewGroup;
  8 | 
  9 | import com.xk.simplenestlist.BaseViewHolder;
 10 | import com.xk.simplenestlist.Cantor;
 11 | import com.xk.simplenestlist.DelegateAdapter;
 12 | import com.xk.simplenestlist.layouthelper.LayoutHelper;
 13 | 
 14 | import java.util.HashMap;
 15 | import java.util.List;
 16 | 
 17 | /**
 18 |  * @author xuekai1
 19 |  * @date 2019/4/24
 20 |  */
 21 | public abstract class AbsSubAdapter<Data> extends RecyclerView.Adapter<BaseViewHolder> {
 22 |     private RecyclerView.RecycledViewPool pool;
 23 |     /**
 24 |      * 子adapter第一个元素在整个recyclerview中的起始position
 25 |      */
 26 |     public int mStartPosition;
 27 | 
 28 |     protected List<Data> mData;
 29 |     //位于adapter的集合第几位
 30 |     private int index = -1;
 31 | 
 32 |     protected LayoutHelper mLayoutHelper;
 33 |     protected DelegateAdapter mDelegateAdapter;
 34 | 
 35 |     @Override
 36 |     public abstract BaseViewHolder onCreateViewHolder(ViewGroup viewGroup, int i);
 37 | 
 38 |     @Override
 39 |     public abstract void onBindViewHolder(BaseViewHolder baseViewHolder, int i);
 40 | 
 41 |     public AbsSubAdapter(LayoutHelper layoutHelper) {
 42 |         this.mLayoutHelper = layoutHelper;
 43 |     }
 44 | 
 45 |     public AbsSubAdapter(LayoutHelper layoutHelper, RecyclerView.RecycledViewPool pool) {
 46 |         this.mLayoutHelper = layoutHelper;
 47 |         this.pool = pool;
 48 |     }
 49 | 
 50 |     public void setDelegateAdapter(DelegateAdapter delegateAdapter) {
 51 |         this.mDelegateAdapter = delegateAdapter;
 52 |         mDelegateAdapter.setSpanCount(mLayoutHelper.getNeedSpan());
 53 |     }
 54 | 
 55 | 
 56 |     @Override
 57 |     public int getItemCount() {
 58 |         return mData == null ? 0 : mData.size();
 59 |     }
 60 | 
 61 |     public void setData(List<Data> data) {
 62 |         mData = data;
 63 |         notifyDataSetChanged();
 64 |     }
 65 | 
 66 |     public int getSpanByPosition(int position, int maxSpanCount) {
 67 |         return mLayoutHelper.getSpanForPosition(position, maxSpanCount);
 68 |     }
 69 | 
 70 |     HashMap<Integer, Integer> recycledViewTypeCache = new HashMap<>();
 71 | 
 72 |     /**
 73 |      * 设置viewtype的缓存
 74 |      *
 75 |      * @param viewType
 76 |      * @param max
 77 |      */
 78 |     public void setMaxRecycledViews(int viewType, int max) {
 79 |         if (index != -1) {
 80 |             int index = getIndex();
 81 |             //在总的adapter中的真实的viewType
 82 |             long realViewType = Cantor.getCantor(viewType, index);
 83 |             if (pool != null) {
 84 |                 pool.setMaxRecycledViews((int) realViewType, max);
 85 |             }
 86 |         } else {
 87 |             //缓存起来，在setIndex的时候使用
 88 |             recycledViewTypeCache.put(viewType, max);
 89 |         }
 90 | 
 91 |     }
 92 | 
 93 |     public int getIndex() {
 94 |         return index;
 95 |     }
 96 | 
 97 |     public void setIndex(int index) {
 98 |         this.index = index;
 99 |         for (Integer viewType : recycledViewTypeCache.keySet()) {
100 |             //在总的adapter中的真实的viewType
101 |             long realViewType = Cantor.getCantor(viewType, index);
102 |             if (pool != null) {
103 |                 pool.setMaxRecycledViews((int) realViewType, recycledViewTypeCache.get(viewType));
104 |             }
105 |         }
106 |         recycledViewTypeCache.clear();
107 |     }
108 | 
109 |     public List<Data> getData() {
110 |         return mData;
111 |     }
112 | 
113 |     public void simpleNotifyItemChanged(int position) {
114 |         mDelegateAdapter.notifyItemChanged(mStartPosition + position);
115 |     }
116 | 
117 |     public void simpleNotifyItemRemoved(int position) {
118 |         mDelegateAdapter.updateIndex();
119 |         mDelegateAdapter.notifyItemRemoved(mStartPosition + position);
120 |     }
121 | 
122 |     public void simpleNotifyItemMoved(int fromPosition, int toPosition) {
123 |         mDelegateAdapter.notifyItemMoved(mStartPosition + fromPosition, mStartPosition + toPosition);
124 |     }
125 | 
126 |     public void simpleNotifyItemInserted(int position) {
127 |         mDelegateAdapter.updateIndex();
128 |         mDelegateAdapter.notifyItemInserted(mStartPosition + position);
129 |     }
130 | 
131 |     public void simpleNotifyItemRangeChanged(int positionStart, int count) {
132 |         mDelegateAdapter.notifyItemRangeChanged(mStartPosition + positionStart, count);
133 |     }
134 | 
135 |     public void simpleNotifyItemRangeRemoved(int positionStart, int count) {
136 |         mDelegateAdapter.updateIndex();
137 |         mDelegateAdapter.notifyItemRangeRemoved(mStartPosition + positionStart, count);
138 |     }
139 | 
140 |     public void simpleNotifyItemRangeInserted(int positionStart, int count) {
141 |         mDelegateAdapter.updateIndex();
142 |         mDelegateAdapter.notifyItemRangeInserted(mStartPosition + positionStart, count);
143 |     }
144 | 
145 |     public void simpleNotifyDataSetChanged(List<Data> oldData, List<Data> newData, DefaultDiffCallback<Data> callback) {
146 |         callback.setDatas(oldData, newData);
147 |         //虽然是刷subAdapter的所有，但在整个recyclerview中还是一小部分，所以只能根据数据源的变化来调用delegateAdapter的各种notify方法
148 |         DiffUtil.DiffResult diffResult = DiffUtil.calculateDiff(callback, true);
149 |         diffResult.dispatchUpdatesTo(new ListUpdateCallback() {
150 |             @Override
151 |             public void onInserted(int position, int count) {
152 |                 simpleNotifyItemRangeInserted(position, count);
153 |             }
154 | 
155 |             @Override
156 |             public void onRemoved(int position, int count) {
157 |                 simpleNotifyItemRangeRemoved(position, count);
158 |             }
159 | 
160 |             @Override
161 |             public void onMoved(int fromPosition, int toPosition) {
162 |                 simpleNotifyItemMoved(fromPosition, toPosition);
163 |             }
164 | 
165 |             @Override
166 |             public void onChanged(int position, int count, Object payload) {
167 |                 simpleNotifyItemRangeChanged(position, count);
168 |             }
169 |         });
170 | 
171 |     }
172 | 
173 |     public void simpleNotifyDataSetChanged(List<Data> oldData, List<Data> newData) {
174 |         DefaultDiffCallback<Data> callback = new DefaultDiffCallback<>();
175 |         simpleNotifyDataSetChanged(oldData, newData, callback);
176 |     }
177 | 
178 | 
179 | }
180 | 


--------------------------------------------------------------------------------
/app/src/main/java/com/xk/simplenestrecyclerview/MainActivity.java:
--------------------------------------------------------------------------------
  1 | package com.xk.simplenestrecyclerview;
  2 | 
  3 | import android.os.Bundle;
  4 | import android.support.v7.app.AppCompatActivity;
  5 | import android.support.v7.widget.RecyclerView;
  6 | import android.support.v7.widget.Toolbar;
  7 | import android.view.View;
  8 | 
  9 | import com.xk.simplenestlist.DelegateAdapter;
 10 | import com.xk.simplenestlist.SimpleNestLayoutManager;
 11 | import com.xk.simplenestlist.adapter.AbsSubAdapter;
 12 | import com.xk.simplenestlist.adapter.SingleAdapter;
 13 | import com.xk.simplenestlist.layouthelper.CrossGridLayoutHelper;
 14 | import com.xk.simplenestlist.layouthelper.GridLayoutHelper;
 15 | import com.xk.simplenestlist.layouthelper.LinearLayoutHelper;
 16 | import com.xk.simplenestlist.layouthelper.SingleLayoutHelper;
 17 | import com.xk.simplenestlist.layouthelper.TitleGridLayoutHelper;
 18 | import com.xk.simplenestrecyclerview.bean.BrandBean;
 19 | import com.xk.simplenestrecyclerview.bean.CategoryBean;
 20 | 
 21 | import java.lang.reflect.InvocationTargetException;
 22 | import java.util.ArrayList;
 23 | import java.util.LinkedList;
 24 | import java.util.List;
 25 | 
 26 | public class MainActivity extends AppCompatActivity {
 27 | 
 28 |     private RecyclerView recyclerView;
 29 | 
 30 |     LinkedList<AbsSubAdapter> absSubAdapters = new LinkedList<>();
 31 |     private CategoryAdapter categoryAdapter;
 32 |     private List<CategoryBean> categoryBeans;
 33 |     private DelegateAdapter delegateAdapter;
 34 |     private BrandAdapter brandAdapter;
 35 | 
 36 |     @Override
 37 |     protected void onCreate(Bundle savedInstanceState) {
 38 |         super.onCreate(savedInstanceState);
 39 |         setContentView(R.layout.activity_main);
 40 |         recyclerView = findViewById(R.id.recyclerview);
 41 |         Toolbar toolBar = findViewById(R.id.action_bar);
 42 |         toolBar.setSubtitle("点击操作数据源");
 43 |         toolBar.setOnClickListener(new View.OnClickListener() {
 44 |             @Override
 45 |             public void onClick(View v) {
 46 |                 help();
 47 |             }
 48 |         });
 49 | 
 50 |         SimpleNestLayoutManager layoutManager = new SimpleNestLayoutManager(this);
 51 |         delegateAdapter = new DelegateAdapter(layoutManager);
 52 |         recyclerView.setLayoutManager(layoutManager);
 53 |         RecyclerView.RecycledViewPool recycledViewPool = new RecyclerView.RecycledViewPool();
 54 |         recyclerView.setRecycledViewPool(recycledViewPool);
 55 |         List<BrandBean> brandBeans = createDatas(BrandBean.class);
 56 |         categoryBeans = createDatas(CategoryBean.class);
 57 | 
 58 | 
 59 |         BrandAdapter service = new BrandAdapter(new TitleGridLayoutHelper(3));
 60 |         service.setData(brandBeans);
 61 |         categoryAdapter = new CategoryAdapter(new GridLayoutHelper(4));
 62 |         categoryAdapter.setData(categoryBeans);
 63 | 
 64 | 
 65 |         BrandAdapter serviceList = new BrandAdapter(new LinearLayoutHelper(), recycledViewPool);
 66 |         serviceList.setData(brandBeans);
 67 | 
 68 |         BrandAdapter serviceList2 = new BrandAdapter(new TitleGridLayoutHelper(2));
 69 |         serviceList2.setData(brandBeans);
 70 | 
 71 |         absSubAdapters.add(service);
 72 |         absSubAdapters.add(new SingleAdapter(new SingleLayoutHelper()));
 73 |         absSubAdapters.add(categoryAdapter);
 74 |         absSubAdapters.add(serviceList);
 75 |         absSubAdapters.add(serviceList2);
 76 |         absSubAdapters.add(new SingleAdapter(new SingleLayoutHelper()));
 77 | 
 78 |         brandAdapter = new BrandAdapter(new CrossGridLayoutHelper());
 79 |         brandAdapter.setData(createDatas(BrandBean.class, 25));
 80 |         absSubAdapters.add(brandAdapter);
 81 |         delegateAdapter.setAdapters(absSubAdapters);
 82 |         recyclerView.setAdapter(delegateAdapter);
 83 |     }
 84 | 
 85 | 
 86 |     private <T> List<T> createDatas(Class<T> clazz, int count) {
 87 |         List<T> beans = new ArrayList<>();
 88 |         try {
 89 |             for (int i = 0; i < count; i++) {
 90 |                 if (clazz == CategoryBean.class) {
 91 |                     beans.add(clazz.getConstructor(String.class).newInstance("" + i));
 92 |                 } else {
 93 |                     beans.add(clazz.getConstructor().newInstance());
 94 |                 }
 95 |             }
 96 |         } catch (InstantiationException e) {
 97 |             e.printStackTrace();
 98 |         } catch (IllegalAccessException e) {
 99 |             e.printStackTrace();
100 |         } catch (InvocationTargetException e) {
101 |             e.printStackTrace();
102 |         } catch (NoSuchMethodException e) {
103 |             e.printStackTrace();
104 |         }
105 | 
106 |         return beans;
107 |     }
108 | 
109 |     private <T> List<T> createDatas(Class<T> clazz) {
110 |         return createDatas(clazz, 100);
111 |     }
112 | 
113 |     public void help() {
114 | 
115 |         //==================数据操作使用说明
116 |         //1.1修改subAdapter数据源
117 | //        categoryBeans.remove(0);
118 | //        categoryBeans.set(1,new CategoryBean("修改后的"));
119 | //        final List oldDatas = new ArrayList(categoryBeans);
120 | //        categoryBeans.add(4, new CategoryBean("新增第四个"));
121 | //        categoryBeans.clear();
122 | //        CategoryBean temp = categoryBeans.remove(2);
123 | //        categoryBeans.add(10, temp);
124 |         //1.2修改subAdapter的getItemCount方法，实现类似于二级菜单打开关闭的功能
125 | //        categoryAdapter.setCloseState(true);
126 | 
127 |         //==================recyclerView刷新说明
128 |         //2.1简单粗暴法。刷整个recyclerview
129 |         // 修改任意一个subAdapter的数据源之后，可以调用delegateAdapter.simpleNotifyDataSetChanged来刷新，注意不是系统提供的notifyDataSetChanged方法
130 | //        delegateAdapter.simpleNotifyDataSetChanged();
131 |         //2.2略微粗暴法。刷一个subAdapter的小区域，目前只想到这种方法。大家有其他思路的可以提一提
132 |         //2.2.1使用默认的DiffCallback，即认为调用该方法，先移除，后新增，效率略低
133 | //        categoryAdapter.simpleNotifyDataSetChanged(oldDatas, categoryBeans);
134 |         //2.2.3使用自定义的DiffCallback，会根据数据源的变化情况来刷，效率略高
135 | //        categoryAdapter.simpleNotifyDataSetChanged(oldDatas, categoryBeans,new DefaultDiffCallback<CategoryBean>(){
136 |         // TODO: by xk 2019/4/25 下午3:56 实现各种自己的实现
137 | //        });
138 |         //2.3itemChanged
139 | //        categoryAdapter.simpleNotifyItemChanged(1);
140 |         //2.4itemRemove
141 | //        categoryAdapter.simpleNotifyItemRemoved(0);
142 |         //2.5itemMove
143 | //        categoryAdapter.simpleNotifyItemMoved(2, 10);
144 |         //2.6itemInserted
145 | //        categoryAdapter.simpleNotifyItemInserted(4);
146 |         //2.7itemRangeChanged
147 | //        categoryAdapter.simpleNotifyItemRangeChanged(1,4);
148 |         //2.8itemRangeRemoved
149 | //        categoryAdapter.simpleNotifyItemRangeRemoved(1,4);
150 |         //2.8itemRangeInserted
151 | //        categoryAdapter.simpleNotifyItemRangeInserted(1,4);
152 | 
153 |     }
154 | }
155 | 


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/simplenestlist/src/main/java/com/xk/simplenestlist/DelegateAdapter.java:
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  1 | package com.xk.simplenestlist;
  2 | 
  3 | import android.support.annotation.NonNull;
  4 | import android.support.v7.widget.GridLayoutManager;
  5 | import android.support.v7.widget.RecyclerView;
  6 | import android.util.Log;
  7 | import android.view.ViewGroup;
  8 | 
  9 | import com.xk.simplenestlist.adapter.AbsSubAdapter;
 10 | 
 11 | import java.util.LinkedList;
 12 | 
 13 | /**
 14 |  * subadapter之间的item的type不共享
 15 |  *
 16 |  * @author xuekai1
 17 |  * @date 2019/4/24
 18 |  */
 19 | public class DelegateAdapter extends RecyclerView.Adapter<BaseViewHolder> {
 20 | 
 21 |     private final SimpleNestLayoutManager mLayoutManager;
 22 | 
 23 |     /**
 24 |      * subadapter的集合
 25 |      */
 26 |     private LinkedList<AbsSubAdapter> mAdapters = new LinkedList<>();
 27 | 
 28 |     /**
 29 |      * itemCount
 30 |      */
 31 |     private int total;
 32 | 
 33 |     /**
 34 |      * 构造
 35 |      * 共享type
 36 |      *
 37 |      * @param layoutManager
 38 |      */
 39 |     public DelegateAdapter(SimpleNestLayoutManager layoutManager) {
 40 |         this.mLayoutManager = layoutManager;
 41 |         layoutManager.setSpanSizeLookup(getSpanSizeLookUp());
 42 |     }
 43 | 
 44 | 
 45 |     @NonNull
 46 |     @Override
 47 |     public BaseViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
 48 |         AbsSubAdapter absSubAdapter = resolveViewType(viewType);
 49 |         if (absSubAdapter != null) {
 50 |             Log.i("DelegateAdapter", "onCreateViewHolder-->" + viewType + " adapterIndex:" + absSubAdapter.getIndex());
 51 |             return absSubAdapter.onCreateViewHolder(parent, viewType);
 52 |         }
 53 |         throw new SimpleNestListException();
 54 |     }
 55 | 
 56 |     /**
 57 |      * 根据viewType解析出所属的SubAdapter
 58 |      */
 59 |     private AbsSubAdapter resolveViewType(int viewType) {
 60 |         long[] result = new long[2];
 61 |         Cantor.reverseCantor(viewType, result);
 62 |         long index = result[1];
 63 |         return mAdapters.get((int) index);
 64 |     }
 65 | 
 66 |     @Override
 67 |     public void onBindViewHolder(@NonNull BaseViewHolder holder, int position) {
 68 |         AbsSubAdapter absSubAdapterByPosition = findSubAdapterByPosition(position);
 69 |         if (absSubAdapterByPosition == null) {
 70 |             throw new SimpleNestListException();
 71 |         }
 72 |         absSubAdapterByPosition.onBindViewHolder(holder, position - absSubAdapterByPosition.mStartPosition);
 73 |     }
 74 | 
 75 |     @Override
 76 |     public int getItemCount() {
 77 |         return total;
 78 |     }
 79 | 
 80 |     @Override
 81 |     public int getItemViewType(int position) {
 82 |         AbsSubAdapter absSubAdapter = findSubAdapterByPosition(position);
 83 |         if (absSubAdapter == null) {
 84 |             throw new SimpleNestListException();
 85 |         }
 86 |         return makeViewType(absSubAdapter, position);
 87 |         //通过absSubAdapter和position构造出一个viewType
 88 |     }
 89 | 
 90 |     private int makeViewType(AbsSubAdapter absSubAdapter, int position) {
 91 |         int subItemType = absSubAdapter.getItemViewType(position - absSubAdapter.mStartPosition);
 92 |         long cantor = Cantor.getCantor(subItemType, absSubAdapter.getIndex());
 93 |         return (int) cantor;
 94 |     }
 95 | 
 96 |     /**
 97 |      * 通过position寻找他所属的SubAdapter
 98 |      *
 99 |      * @return AbsSubAdapter
100 |      */
101 |     private AbsSubAdapter findSubAdapterByPosition(int position) {
102 |         final int count = mAdapters.size();
103 |         if (count == 0) {
104 |             return null;
105 |         }
106 |         int s = 0, e = count - 1, m;
107 |         AbsSubAdapter result = null;
108 |         while (s <= e) {
109 |             m = (s + e) / 2;
110 |             result = mAdapters.get(m);
111 |             int endPosition = result.mStartPosition + result.getItemCount() - 1;
112 |             if (result.mStartPosition > position) {
113 |                 e = m - 1;
114 |             } else if (endPosition < position) {
115 |                 s = m + 1;
116 |             } else if (result.mStartPosition <= position && endPosition >= position) {
117 |                 break;
118 |             }
119 |             result = null;
120 |         }
121 | 
122 |         return result;
123 |     }
124 | 
125 |     /**
126 |      * 设置adapters
127 |      *
128 |      * @param mAdapters
129 |      */
130 |     public void setAdapters(LinkedList<AbsSubAdapter> mAdapters) {
131 |         this.mAdapters = mAdapters;
132 |         simpleNotifyDataSetChanged();
133 |     }
134 | 
135 |     /**
136 |      * 清空状态
137 |      */
138 |     private void clear() {
139 |         total = 0;
140 |         // TODO: by xk 2019/4/24 上午10:36 任意一个adapter的itemCount改变，都需要更新total
141 |         // TODO: by xk 2019-05-31 14:59 如何可以类似于调用RecyclerView.setAdapter 方法，全部重置，防止出现type和上次的type一样的情况。情况复用池应该可以
142 |     }
143 | 
144 |     /**
145 |      * 任意一个subAdapter的数据源改变，都可以通过调用该方法来刷新。类似于notifyDataSetChanged
146 |      */
147 |     public void simpleNotifyDataSetChanged() {
148 |         updateIndex();
149 |         notifyDataSetChanged();
150 |         // TODO: by xk 2019/4/24 上午10:39 更新position和subadapter的索引
151 |     }
152 | 
153 |     public void updateIndex() {
154 |         clear();
155 |         int startPosition = 0;
156 |         int index = 0;
157 |         for (AbsSubAdapter mAdapter : mAdapters) {
158 |             mAdapter.setDelegateAdapter(this);
159 |             mAdapter.mStartPosition = startPosition;
160 |             startPosition += mAdapter.getItemCount();
161 |             mAdapter.setIndex(index);
162 |             index++;
163 |         }
164 |         for (AbsSubAdapter adapter : mAdapters) {
165 |             total += adapter.getItemCount();
166 |         }
167 |     }
168 | 
169 |     public GridLayoutManager.SpanSizeLookup getSpanSizeLookUp() {
170 |         return new GridLayoutManager.SpanSizeLookup() {
171 |             @Override
172 |             public int getSpanSize(int position) {
173 |                 AbsSubAdapter subAdapter = findSubAdapterByPosition(position);
174 |                 if (subAdapter == null) {
175 |                     throw new SimpleNestListException(position + "的adapter没找到");
176 |                 }
177 |                 return subAdapter.getSpanByPosition(position - subAdapter.mStartPosition, mLayoutManager.getSpanCount());
178 |             }
179 |         };
180 |     }
181 | 
182 |     /**
183 |      * 每增加一个layouthelper，就要刷新一下spancount
184 |      *
185 |      * @param supportSpanCount 需要支持的列数
186 |      */
187 |     public void setSpanCount(int[] supportSpanCount) {
188 |         if (mLayoutManager == null) {
189 |             throw new SimpleNestListException();
190 |         }
191 |         int spanCount = mLayoutManager.getSpanCount();
192 |         int spanCountTemp = spanCount;
193 |         for (int i : supportSpanCount) {
194 |             spanCountTemp = leastCommonMultiple(spanCountTemp, i);
195 |         }
196 |         if (spanCount != spanCountTemp) {
197 |             mLayoutManager.setSpanCount(spanCountTemp);
198 |         }
199 |     }
200 | 
201 |     /**
202 |      * 求最小公倍数
203 |      */
204 |     public int leastCommonMultiple(int a, int b) {
205 |         int c = a * b;
206 |         if (a < b) {
207 |             int r;
208 |             r = a;
209 |             a = b;
210 |             b = r;
211 |         }
212 |         while (true) {
213 |             int r = a % b;
214 |             if (r == 0) {
215 |                 return c / b;
216 |             } else {
217 |                 a = b;
218 |                 b = r;
219 |             }
220 |         }
221 |     }
222 | }
223 | 
224 | 


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