├── settings.gradle ├── art └── art.gif ├── app ├── src │ ├── main │ │ ├── res │ │ │ ├── values │ │ │ │ ├── strings.xml │ │ │ │ ├── colors.xml │ │ │ │ └── styles.xml │ │ │ ├── mipmap-hdpi │ │ │ │ ├── fast_empty.png │ │ │ │ ├── ic_launcher.png │ │ │ │ ├── fast_item_add.png │ │ │ │ ├── fast_new_reduce.png │ │ │ │ ├── fast_panduan_icon.png │ │ │ │ ├── fast_xuanze_icon.png │ │ │ │ ├── fast_zhuguan_icon.png │ │ │ │ ├── ic_launcher_round.png │ │ │ │ └── fast_new_left_adding.png │ │ │ ├── mipmap-mdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-xhdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-xxhdpi │ │ │ │ ├── img_delete.png │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-xxxhdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── drawable │ │ │ │ ├── number_bg.xml │ │ │ │ ├── bordors.xml │ │ │ │ └── ic_launcher_background.xml │ │ │ ├── mipmap-anydpi-v26 │ │ │ │ ├── ic_launcher.xml │ │ │ │ └── ic_launcher_round.xml │ │ │ ├── layout │ │ │ │ ├── fast_adding.xml │ │ │ │ ├── fast_item_empty.xml │ │ │ │ ├── activity_main.xml │ │ │ │ ├── fast_item_title.xml │ │ │ │ ├── fast_item_left.xml │ │ │ │ ├── fast_item_left2.xml │ │ │ │ ├── fast_item_left3.xml │ │ │ │ └── fast_tixing_item.xml │ │ │ └── drawable-v24 │ │ │ │ └── ic_launcher_foreground.xml │ │ ├── AndroidManifest.xml │ │ └── java │ │ │ └── com │ │ │ └── jyuesong │ │ │ └── dragview2fill │ │ │ ├── MainActivity.java │ │ │ ├── FastModel.java │ │ │ ├── adapter │ │ │ ├── BaseAdapter.java │ │ │ └── BaseViewHolder.java │ │ │ └── dragview │ │ │ ├── LayoutHelper.java │ │ │ ├── DragViewGroup.java │ │ │ └── RecyclerViewHelper.java │ ├── test │ │ └── java │ │ │ └── com │ │ │ └── jyuesong │ │ │ └── dragview2fill │ │ │ └── ExampleUnitTest.java │ └── androidTest │ │ └── java │ │ └── com │ │ └── jyuesong │ │ └── dragview2fill │ │ └── ExampleInstrumentedTest.java ├── proguard-rules.pro ├── .gitignore └── build.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── README.md ├── .idea ├── encodings.xml ├── vcs.xml ├── inspectionProfiles │ └── Project_Default.xml ├── modules.xml ├── runConfigurations.xml └── misc.xml ├── gradle.properties ├── .gitignore ├── gradlew.bat └── gradlew /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | -------------------------------------------------------------------------------- /art/art.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/art/art.gif -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | DragView2Fill 3 | 4 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/fast_empty.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-hdpi/fast_empty.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/img_delete.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-xxhdpi/img_delete.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/fast_item_add.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-hdpi/fast_item_add.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/fast_new_reduce.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-hdpi/fast_new_reduce.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/fast_panduan_icon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-hdpi/fast_panduan_icon.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/fast_xuanze_icon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-hdpi/fast_xuanze_icon.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/fast_zhuguan_icon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-hdpi/fast_zhuguan_icon.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # DragView2Fill 2 | ViewDragHelper和RecyclerView的使用示例 3 | 4 | 5 | ![](https://raw.githubusercontent.com/jiang111/DragView2Fill/master/art/art.gif) 6 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/fast_new_left_adding.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-hdpi/fast_new_left_adding.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jiang111/DragView2Fill/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /.idea/encodings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/number_bg.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Thu Feb 01 09:00:48 CST 2018 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-4.1-all.zip 7 | -------------------------------------------------------------------------------- /.idea/inspectionProfiles/Project_Default.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/bordors.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 10 | 11 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fast_adding.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fast_item_empty.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /app/src/test/java/com/jyuesong/dragview2fill/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package com.jyuesong.dragview2fill; 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 Testing documentation 11 | */ 12 | public class ExampleUnitTest { 13 | @Test 14 | public void addition_isCorrect() throws Exception { 15 | assertEquals(4, 2 + 2); 16 | } 17 | } -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 8 | 12 | 13 | -------------------------------------------------------------------------------- /.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | org.gradle.jvmargs=-Xmx1536m 13 | 14 | # When configured, Gradle will run in incubating parallel mode. 15 | # This option should only be used with decoupled projects. More details, visit 16 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 17 | # org.gradle.parallel=true 18 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /app/src/main/java/com/jyuesong/dragview2fill/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.jyuesong.dragview2fill; 2 | 3 | import android.support.v7.app.AppCompatActivity; 4 | import android.os.Bundle; 5 | 6 | import com.jyuesong.dragview2fill.dragview.DragViewGroup; 7 | import com.jyuesong.dragview2fill.dragview.RecyclerViewHelper; 8 | 9 | public class MainActivity extends AppCompatActivity implements RecyclerViewHelper.SizeChangedCallBack { 10 | 11 | DragViewGroup mDragViewGroup; 12 | 13 | @Override 14 | protected void onCreate(Bundle savedInstanceState) { 15 | super.onCreate(savedInstanceState); 16 | setContentView(R.layout.activity_main); 17 | mDragViewGroup = findViewById(R.id.fast_new_lianxi_view); 18 | mDragViewGroup.registerSizeChangeCallBack(this); 19 | } 20 | 21 | @Override 22 | public void size(int count) { 23 | 24 | } 25 | 26 | 27 | } 28 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/jyuesong/dragview2fill/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package com.jyuesong.dragview2fill; 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 Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() throws Exception { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("com.jyuesong.dragview2fill", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fast_item_title.xml: -------------------------------------------------------------------------------- 1 | 2 | 11 | 12 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /app/src/main/java/com/jyuesong/dragview2fill/FastModel.java: -------------------------------------------------------------------------------- 1 | package com.jyuesong.dragview2fill; 2 | 3 | import java.io.Serializable; 4 | 5 | /** 6 | * Created by jiang on 29/01/2018. 7 | */ 8 | public class FastModel implements Serializable{ 9 | 10 | private int type; 11 | private int count; 12 | private boolean isAdding; 13 | 14 | public FastModel() { 15 | } 16 | 17 | public FastModel(int type, int count) { 18 | this.type = type; 19 | this.count = count; 20 | } 21 | 22 | public FastModel(boolean isAdding) { 23 | this.isAdding = isAdding; 24 | } 25 | 26 | public int getType() { 27 | return type; 28 | } 29 | 30 | public void setType(int type) { 31 | this.type = type; 32 | } 33 | 34 | public int getCount() { 35 | return count; 36 | } 37 | 38 | public void setCount(int count) { 39 | this.count = count; 40 | } 41 | 42 | public boolean isAdding() { 43 | return isAdding; 44 | } 45 | 46 | public void setAdding(boolean adding) { 47 | isAdding = adding; 48 | } 49 | } 50 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | ### Android template 3 | # Built application files 4 | *.apk 5 | *.ap_ 6 | 7 | # Files for the ART/Dalvik VM 8 | *.dex 9 | 10 | # Java class files 11 | *.class 12 | 13 | # Generated files 14 | bin/ 15 | gen/ 16 | out/ 17 | 18 | # Gradle files 19 | .gradle/ 20 | build/ 21 | 22 | # Local configuration file (sdk path, etc) 23 | local.properties 24 | 25 | # Proguard folder generated by Eclipse 26 | proguard/ 27 | 28 | # Log Files 29 | *.log 30 | 31 | # Android Studio Navigation editor temp files 32 | .navigation/ 33 | 34 | # Android Studio captures folder 35 | captures/ 36 | 37 | # IntelliJ 38 | *.iml 39 | .idea/workspace.xml 40 | .idea/tasks.xml 41 | .idea/gradle.xml 42 | .idea/dictionaries 43 | .idea/libraries 44 | 45 | # Keystore files 46 | # Uncomment the following line if you do not want to check your keystore files in. 47 | #*.jks 48 | 49 | # External native build folder generated in Android Studio 2.2 and later 50 | .externalNativeBuild 51 | 52 | # Google Services (e.g. APIs or Firebase) 53 | google-services.json 54 | 55 | # Freeline 56 | freeline.py 57 | freeline/ 58 | freeline_project_description.json 59 | 60 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 26 5 | defaultConfig { 6 | applicationId "com.jyuesong.dragview2fill" 7 | minSdkVersion 15 8 | targetSdkVersion 26 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.txt'), 'proguard-rules.pro' 17 | } 18 | } 19 | } 20 | 21 | dependencies { 22 | implementation fileTree(dir: 'libs', include: ['*.jar']) 23 | implementation 'com.android.support:appcompat-v7:26.1.0' 24 | compile 'com.android.support:recyclerview-v7:26.1.0' 25 | 26 | implementation 'com.android.support.constraint:constraint-layout:1.0.2' 27 | testImplementation 'junit:junit:4.12' 28 | androidTestImplementation 'com.android.support.test:runner:1.0.1' 29 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1' 30 | 31 | compile 'io.reactivex.rxjava2:rxandroid:2.0.1' 32 | compile 'io.reactivex.rxjava2:rxjava:2.0.1' 33 | } 34 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fast_item_left.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 14 | 15 | 16 | 26 | 27 | 34 | 35 | 36 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fast_item_left2.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 14 | 15 | 16 | 26 | 27 | 34 | 35 | 36 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fast_item_left3.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 14 | 15 | 16 | 26 | 27 | 34 | 35 | 36 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | .externalNativeBuild 10 | ### Android template 11 | # Built application files 12 | *.apk 13 | *.ap_ 14 | 15 | # Files for the ART/Dalvik VM 16 | *.dex 17 | 18 | # Java class files 19 | *.class 20 | 21 | # Generated files 22 | bin/ 23 | gen/ 24 | out/ 25 | 26 | # Gradle files 27 | .gradle/ 28 | build/ 29 | 30 | # Local configuration file (sdk path, etc) 31 | local.properties 32 | 33 | # Proguard folder generated by Eclipse 34 | proguard/ 35 | 36 | # Log Files 37 | *.log 38 | 39 | # Android Studio Navigation editor temp files 40 | .navigation/ 41 | 42 | # Android Studio captures folder 43 | captures/ 44 | 45 | # IntelliJ 46 | *.iml 47 | .idea/workspace.xml 48 | .idea/tasks.xml 49 | .idea/gradle.xml 50 | .idea/dictionaries 51 | .idea/libraries 52 | 53 | # Keystore files 54 | # Uncomment the following line if you do not want to check your keystore files in. 55 | #*.jks 56 | 57 | # External native build folder generated in Android Studio 2.2 and later 58 | .externalNativeBuild 59 | 60 | # Google Services (e.g. APIs or Firebase) 61 | google-services.json 62 | 63 | # Freeline 64 | freeline.py 65 | freeline/ 66 | freeline_project_description.json 67 | 68 | -------------------------------------------------------------------------------- /app/src/main/java/com/jyuesong/dragview2fill/adapter/BaseAdapter.java: -------------------------------------------------------------------------------- 1 | package com.jyuesong.dragview2fill.adapter; 2 | 3 | import android.support.v7.widget.RecyclerView; 4 | import android.view.LayoutInflater; 5 | import android.view.View; 6 | import android.view.ViewGroup; 7 | 8 | /** 9 | * Created by jiang on 16/8/29. 10 | */ 11 | public abstract class BaseAdapter extends RecyclerView.Adapter { 12 | 13 | 14 | @Override 15 | public BaseViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 16 | return new BaseViewHolder(LayoutInflater.from(parent.getContext()).inflate(viewType, parent, false)); 17 | } 18 | 19 | @Override 20 | public void onBindViewHolder(final BaseViewHolder holder, final int position) { 21 | 22 | 23 | if (clickable()) { 24 | holder.getConvertView().setClickable(true); 25 | holder.getConvertView().setOnClickListener(new View.OnClickListener() { 26 | @Override 27 | public void onClick(View v) { 28 | onItemClick(v, position); 29 | } 30 | }); 31 | } 32 | 33 | onBindView(holder, holder.getLayoutPosition()); 34 | 35 | } 36 | 37 | public abstract void onBindView(BaseViewHolder holder, int position); 38 | 39 | @Override 40 | public int getItemViewType(int position) { 41 | return getLayoutID(position); 42 | } 43 | 44 | 45 | public abstract int getLayoutID(int position); 46 | 47 | public abstract boolean clickable(); 48 | 49 | public void onItemClick(View v, int position) { 50 | } 51 | 52 | 53 | 54 | } -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 12 | 13 | 19 | 22 | 25 | 26 | 27 | 28 | 34 | 35 | -------------------------------------------------------------------------------- /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 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 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 Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /app/src/main/java/com/jyuesong/dragview2fill/dragview/LayoutHelper.java: -------------------------------------------------------------------------------- 1 | package com.jyuesong.dragview2fill.dragview; 2 | 3 | import android.util.SparseArray; 4 | import android.view.View; 5 | import android.view.ViewGroup; 6 | 7 | 8 | /** 9 | * Created by jiang on 29/01/2018. 10 | */ 11 | public class LayoutHelper { 12 | 13 | public static SparseArray locations = new SparseArray<>(); 14 | 15 | 16 | public static void layoutChild(ViewGroup parent, View child) { 17 | 18 | int tag = (int) child.getTag(); 19 | 20 | if (tag == DragViewGroup.T_XUANZE) { 21 | ViewGroup.MarginLayoutParams mlp = (ViewGroup.MarginLayoutParams) child.getLayoutParams(); 22 | int childWidth = child.getMeasuredWidth(); 23 | int childHeight = child.getMeasuredHeight(); 24 | int[] locaition = new int[4]; 25 | locaition[0] = parent.getPaddingLeft() + mlp.leftMargin; 26 | locaition[1] = parent.getPaddingTop() + mlp.topMargin; 27 | locaition[2] = childWidth + parent.getPaddingLeft() 28 | + mlp.leftMargin; 29 | locaition[3] = childHeight + parent.getPaddingTop() + mlp.topMargin; 30 | child.layout(locaition[0], locaition[1], locaition[2], locaition[3]); 31 | locations.append(DragViewGroup.T_XUANZE, locaition); 32 | } else if (tag == DragViewGroup.T_PANDUAN) { 33 | ViewGroup.MarginLayoutParams mlp = (ViewGroup.MarginLayoutParams) child.getLayoutParams(); 34 | int childWidth = child.getMeasuredWidth(); 35 | int childHeight = child.getMeasuredHeight(); 36 | int[] locaition = new int[4]; 37 | locaition[0] = parent.getPaddingLeft() + mlp.leftMargin; 38 | locaition[1] = parent.getPaddingTop() + mlp.topMargin + locations.get(DragViewGroup.T_XUANZE)[3]; 39 | locaition[2] = childWidth + parent.getPaddingLeft() 40 | + mlp.leftMargin; 41 | locaition[3] = childHeight + locaition[1]; 42 | child.layout(locaition[0], locaition[1], locaition[2], locaition[3]); 43 | locations.append(DragViewGroup.T_PANDUAN, locaition); 44 | } else { 45 | ViewGroup.MarginLayoutParams mlp = (ViewGroup.MarginLayoutParams) child.getLayoutParams(); 46 | int childWidth = child.getMeasuredWidth(); 47 | int childHeight = child.getMeasuredHeight(); 48 | int[] locaition = new int[4]; 49 | locaition[0] = parent.getPaddingLeft() + mlp.leftMargin; 50 | locaition[1] = parent.getPaddingTop() + mlp.topMargin + locations.get(DragViewGroup.T_PANDUAN)[3]; 51 | locaition[2] = childWidth + parent.getPaddingLeft() 52 | + mlp.leftMargin; 53 | locaition[3] = childHeight + locaition[1]; 54 | child.layout(locaition[0], locaition[1], locaition[2], locaition[3]); 55 | locations.append(DragViewGroup.T_ZHUGUAN, locaition); 56 | } 57 | 58 | } 59 | 60 | public static void layoutRecyclerView(ViewGroup parent, View child) { 61 | 62 | ViewGroup.MarginLayoutParams mlp = (ViewGroup.MarginLayoutParams) child.getLayoutParams(); 63 | int childWidth = child.getMeasuredWidth(); 64 | int childHeight = child.getMeasuredHeight(); 65 | child.layout(parent.getWidth() / 3, parent.getPaddingTop() + mlp.topMargin, 66 | parent.getWidth() / 3 + childWidth, parent.getPaddingTop() + mlp.topMargin + childHeight); 67 | 68 | 69 | } 70 | } 71 | -------------------------------------------------------------------------------- /app/src/main/res/layout/fast_tixing_item.xml: -------------------------------------------------------------------------------- 1 | 2 | 11 | 12 | 16 | 17 | 25 | 26 | 27 | 40 | 41 | 51 | 52 | 53 | 54 | 63 | 64 | 73 | 74 | 75 | 83 | 84 | 97 | 98 | 106 | 107 | 108 | -------------------------------------------------------------------------------- /app/src/main/java/com/jyuesong/dragview2fill/adapter/BaseViewHolder.java: -------------------------------------------------------------------------------- 1 | /** 2 | * created by jiang, 12/3/15 3 | * Copyright (c) 2015, jyuesong@gmail.com All Rights Reserved. 4 | * * # # 5 | * # _oo0oo_ # 6 | * # o8888888o # 7 | * # 88" . "88 # 8 | * # (| -_- |) # 9 | * # 0\ = /0 # 10 | * # ___/`---'\___ # 11 | * # .' \\| |# '. # 12 | * # / \\||| : |||# \ # 13 | * # / _||||| -:- |||||- \ # 14 | * # | | \\\ - #/ | | # 15 | * # | \_| ''\---/'' |_/ | # 16 | * # \ .-\__ '-' ___/-. / # 17 | * # ___'. .' /--.--\ `. .'___ # 18 | * # ."" '< `.___\_<|>_/___.' >' "". # 19 | * # | | : `- \`.;`\ _ /`;.`/ - ` : | | # 20 | * # \ \ `_. \_ __\ /__ _/ .-` / / # 21 | * # =====`-.____`.___ \_____/___.-`___.-'===== # 22 | * # `=---=' # 23 | * # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # 24 | * # # 25 | * # 佛祖保佑 永无BUG # 26 | * # # 27 | */ 28 | 29 | package com.jyuesong.dragview2fill.adapter; 30 | 31 | import android.graphics.drawable.Drawable; 32 | import android.support.annotation.IdRes; 33 | import android.support.annotation.IntDef; 34 | import android.support.v7.widget.RecyclerView; 35 | import android.util.SparseArray; 36 | import android.view.View; 37 | import android.widget.TextView; 38 | 39 | import java.lang.annotation.Retention; 40 | import java.lang.annotation.RetentionPolicy; 41 | 42 | /** 43 | * Created by jiang on 12/3/15. 44 | */ 45 | public class BaseViewHolder extends RecyclerView.ViewHolder { 46 | 47 | protected final SparseArray mViews; 48 | protected View mConvertView; 49 | 50 | 51 | public BaseViewHolder(View itemView) { 52 | super(itemView); 53 | mViews = new SparseArray<>(); 54 | mConvertView = itemView; 55 | } 56 | 57 | 58 | /** 59 | * 通过控件的Id获取对应的控件，如果没有则加入mViews，则从item根控件中查找并保存到mViews中 60 | * 61 | * @param viewId 62 | * @return 63 | */ 64 | public T getView(@IdRes int viewId) { 65 | View view = mViews.get(viewId); 66 | if (view == null) { 67 | view = mConvertView.findViewById(viewId); 68 | mViews.put(viewId, view); 69 | } 70 | return (T) view; 71 | } 72 | 73 | public View getConvertView() { 74 | return mConvertView; 75 | } 76 | 77 | public BaseViewHolder setBgColor(@IdRes int resID, int color) { 78 | getView(resID).setBackgroundColor(color); 79 | return this; 80 | } 81 | 82 | public BaseViewHolder setBgDrawable(@IdRes int resID, Drawable drawable) { 83 | getView(resID).setBackground(drawable); 84 | return this; 85 | 86 | } 87 | 88 | public BaseViewHolder setText(@IdRes int resID, String text) { 89 | ((TextView) getView(resID)).setText(text); 90 | return this; 91 | } 92 | 93 | public BaseViewHolder setTextSize(@IdRes int resID, int spSize) { 94 | ((TextView) getView(resID)).setTextSize(spSize); 95 | return this; 96 | } 97 | 98 | public BaseViewHolder setVisibility(@IdRes int resID, @Visibility int visibility) { 99 | switch (visibility) { 100 | case VISIBLE: 101 | getView(resID).setVisibility(View.VISIBLE); 102 | break; 103 | case INVISIBLE: 104 | getView(resID).setVisibility(View.INVISIBLE); 105 | break; 106 | case GONE: 107 | getView(resID).setVisibility(View.GONE); 108 | break; 109 | 110 | } 111 | return this; 112 | 113 | } 114 | 115 | public BaseViewHolder setTextColor(int id, int textColor) { 116 | ((TextView) getView(id)).setTextColor(textColor); 117 | return this; 118 | } 119 | 120 | 121 | @IntDef({VISIBLE, INVISIBLE, GONE}) 122 | @Retention(RetentionPolicy.SOURCE) 123 | public @interface Visibility { 124 | } 125 | 126 | public static final int VISIBLE = 0x00000000; 127 | public static final int INVISIBLE = 0x00000004; 128 | 129 | public static final int GONE = 0x00000008; 130 | 131 | 132 | } 133 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # Attempt to set APP_HOME 46 | # Resolve links: $0 may be a link 47 | PRG="$0" 48 | # Need this for relative symlinks. 49 | while [ -h "$PRG" ] ; do 50 | ls=`ls -ld "$PRG"` 51 | link=`expr "$ls" : '.*-> \(.*\)$'` 52 | if expr "$link" : '/.*' > /dev/null; then 53 | PRG="$link" 54 | else 55 | PRG=`dirname "$PRG"`"/$link" 56 | fi 57 | done 58 | SAVED="`pwd`" 59 | cd "`dirname \"$PRG\"`/" >/dev/null 60 | APP_HOME="`pwd -P`" 61 | cd "$SAVED" >/dev/null 62 | 63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 64 | 65 | # Determine the Java command to use to start the JVM. 66 | if [ -n "$JAVA_HOME" ] ; then 67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 68 | # IBM's JDK on AIX uses strange locations for the executables 69 | JAVACMD="$JAVA_HOME/jre/sh/java" 70 | else 71 | JAVACMD="$JAVA_HOME/bin/java" 72 | fi 73 | if [ ! -x "$JAVACMD" ] ; then 74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 75 | 76 | Please set the JAVA_HOME variable in your environment to match the 77 | location of your Java installation." 78 | fi 79 | else 80 | JAVACMD="java" 81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 82 | 83 | Please set the JAVA_HOME variable in your environment to match the 84 | location of your Java installation." 85 | fi 86 | 87 | # Increase the maximum file descriptors if we can. 88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 89 | MAX_FD_LIMIT=`ulimit -H -n` 90 | if [ $? -eq 0 ] ; then 91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 92 | MAX_FD="$MAX_FD_LIMIT" 93 | fi 94 | ulimit -n $MAX_FD 95 | if [ $? -ne 0 ] ; then 96 | warn "Could not set maximum file descriptor limit: $MAX_FD" 97 | fi 98 | else 99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 100 | fi 101 | fi 102 | 103 | # For Darwin, add options to specify how the application appears in the dock 104 | if $darwin; then 105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 106 | fi 107 | 108 | # For Cygwin, switch paths to Windows format before running java 109 | if $cygwin ; then 110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 112 | JAVACMD=`cygpath --unix "$JAVACMD"` 113 | 114 | # We build the pattern for arguments to be converted via cygpath 115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 116 | SEP="" 117 | for dir in $ROOTDIRSRAW ; do 118 | ROOTDIRS="$ROOTDIRS$SEP$dir" 119 | SEP="|" 120 | done 121 | OURCYGPATTERN="(^($ROOTDIRS))" 122 | # Add a user-defined pattern to the cygpath arguments 123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 125 | fi 126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 127 | i=0 128 | for arg in "$@" ; do 129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 131 | 132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 134 | else 135 | eval `echo args$i`="\"$arg\"" 136 | fi 137 | i=$((i+1)) 138 | done 139 | case $i in 140 | (0) set -- ;; 141 | (1) set -- "$args0" ;; 142 | (2) set -- "$args0" "$args1" ;; 143 | (3) set -- "$args0" "$args1" "$args2" ;; 144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 150 | esac 151 | fi 152 | 153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 154 | function splitJvmOpts() { 155 | JVM_OPTS=("$@") 156 | } 157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 159 | 160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 161 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 11 | 16 | 21 | 26 | 31 | 36 | 41 | 46 | 51 | 56 | 61 | 66 | 71 | 76 | 81 | 86 | 91 | 96 | 101 | 106 | 111 | 116 | 121 | 126 | 131 | 136 | 141 | 146 | 151 | 156 | 161 | 166 | 171 | 172 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 35 | 36 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 77 | 78 | 79 | 91 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | Spelling 111 | 112 | 113 | 114 | 115 | Spelling 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 127 | 128 | $USER_HOME$/.subversion 129 | 130 | 131 | 132 | 133 | 134 | 135 | 140 | 141 | 142 | 143 | 144 | 145 | 1.8 146 | 147 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 163 | 164 | 165 | 166 | 167 | 168 | -------------------------------------------------------------------------------- /app/src/main/java/com/jyuesong/dragview2fill/dragview/DragViewGroup.java: -------------------------------------------------------------------------------- 1 | package com.jyuesong.dragview2fill.dragview; 2 | 3 | import android.content.Context; 4 | import android.content.res.Resources; 5 | import android.graphics.Canvas; 6 | import android.graphics.Color; 7 | import android.graphics.Paint; 8 | import android.graphics.Rect; 9 | import android.support.v4.widget.ViewDragHelper; 10 | import android.support.v7.widget.RecyclerView; 11 | import android.util.AttributeSet; 12 | import android.util.DisplayMetrics; 13 | import android.view.LayoutInflater; 14 | import android.view.MotionEvent; 15 | import android.view.View; 16 | import android.view.ViewGroup; 17 | 18 | import com.jyuesong.dragview2fill.FastModel; 19 | import com.jyuesong.dragview2fill.R; 20 | 21 | import java.util.List; 22 | import java.util.concurrent.TimeUnit; 23 | 24 | import io.reactivex.android.schedulers.AndroidSchedulers; 25 | import io.reactivex.functions.Consumer; 26 | import io.reactivex.schedulers.Schedulers; 27 | import io.reactivex.subjects.PublishSubject; 28 | 29 | /** 30 | * Created by jiang on 29/01/2018. 31 | */ 32 | public class DragViewGroup extends ViewGroup { 33 | 34 | private static final String TAG = "DragViewGroup"; 35 | 36 | public static final int DEFAULT = -0x110011; 37 | 38 | private View[] view1 = new View[2]; 39 | private View[] view2 = new View[2]; 40 | private View[] view3 = new View[2]; 41 | 42 | private Rect[] mBorders = new Rect[2]; 43 | private ViewDragHelper mViewDragHelper; 44 | 45 | private Paint mBgPaint; 46 | 47 | private LayoutInflater mLayoutInflater; 48 | private int mWidth; 49 | private int mHeight; 50 | 51 | private RecyclerViewHelper mRecyclerViewHelper; 52 | private boolean dragEnable = true; 53 | private PublishSubject mPublishSubject; 54 | 55 | 56 | public DragViewGroup(Context context) { 57 | this(context, null); 58 | } 59 | 60 | public DragViewGroup(Context context, AttributeSet attrs) { 61 | this(context, attrs, 0); 62 | } 63 | 64 | public DragViewGroup(Context context, AttributeSet attrs, int defStyleAttr) { 65 | super(context, attrs, defStyleAttr); 66 | setWillNotDraw(false); 67 | mLayoutInflater = LayoutInflater.from(context); 68 | mRecyclerViewHelper = RecyclerViewHelper.create(this); 69 | initViews(); 70 | } 71 | 72 | 73 | private void initViews() { 74 | initSize(); 75 | 76 | mBgPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 77 | mBgPaint.setStyle(Paint.Style.FILL); 78 | mViewDragHelper = ViewDragHelper.create(this, 1.0f, new CallBack()); 79 | 80 | //可以直接通过布局文件inflate进来 81 | addView(mRecyclerViewHelper.generateRecyclerView()); 82 | addView(view1[0] = createView1()); 83 | addView(view2[0] = createView2()); 84 | addView(view3[0] = createView3()); 85 | addView(view1[1] = createView1()); 86 | addView(view2[1] = createView2()); 87 | addView(view3[1] = createView3()); 88 | 89 | LayoutParams layoutParams = mRecyclerViewHelper.getRecyclerView().getLayoutParams(); 90 | layoutParams.width = mWidth * 2 / 3; 91 | layoutParams.height = LayoutParams.MATCH_PARENT; 92 | mRecyclerViewHelper.getRecyclerView().setLayoutParams(layoutParams); 93 | mRecyclerViewHelper.init(); 94 | } 95 | 96 | private void initSize() { 97 | Resources resources = this.getResources(); 98 | DisplayMetrics dm = resources.getDisplayMetrics(); 99 | mWidth = dm.widthPixels; 100 | mHeight = dm.heightPixels; 101 | } 102 | 103 | public void dragEnable(boolean can) { 104 | dragEnable = can; 105 | } 106 | 107 | 108 | private View createView2() { 109 | View view = mLayoutInflater.inflate(R.layout.fast_item_left2, this, false); 110 | LayoutParams layoutParams = view.getLayoutParams(); 111 | layoutParams.width = mWidth / 3; 112 | view.setLayoutParams(layoutParams); 113 | view.setTag(T_PANDUAN); 114 | return view; 115 | } 116 | 117 | 118 | private View createView3() { 119 | View view = mLayoutInflater.inflate(R.layout.fast_item_left3, this, false); 120 | LayoutParams layoutParams = view.getLayoutParams(); 121 | layoutParams.width = mWidth / 3; 122 | view.setLayoutParams(layoutParams); 123 | view.setTag(T_ZHUGUAN); 124 | return view; 125 | } 126 | 127 | 128 | private View createView1() { 129 | View view = mLayoutInflater.inflate(R.layout.fast_item_left, this, false); 130 | LayoutParams layoutParams = view.getLayoutParams(); 131 | layoutParams.width = mWidth / 3; 132 | view.setLayoutParams(layoutParams); 133 | view.setTag(T_XUANZE); 134 | return view; 135 | } 136 | 137 | @Override 138 | protected LayoutParams generateDefaultLayoutParams() { 139 | return new MarginLayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); 140 | } 141 | 142 | @Override 143 | protected LayoutParams generateLayoutParams(LayoutParams p) { 144 | return new MarginLayoutParams(p); 145 | } 146 | 147 | @Override 148 | public LayoutParams generateLayoutParams(AttributeSet attrs) { 149 | return new MarginLayoutParams(getContext(), attrs); 150 | } 151 | 152 | @Override 153 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 154 | 155 | if (getChildCount() < 0) return; 156 | for (int i = 0; i < getChildCount(); i++) { 157 | View child = getChildAt(i); 158 | measureChildWithMargins(child, widthMeasureSpec, 0, heightMeasureSpec, 0); 159 | // 测量逻辑不用管太多 160 | int childWidth; 161 | int childHeight; 162 | //直接强制写死宽高 163 | childWidth = MeasureSpec.makeMeasureSpec(child.getMeasuredWidth(), MeasureSpec.EXACTLY); 164 | childHeight = MeasureSpec.makeMeasureSpec(child.getMeasuredHeight(), MeasureSpec.EXACTLY); 165 | child.measure(childWidth, childHeight); 166 | } 167 | 168 | 169 | //这的宽高可根据需求自己写测量逻辑 170 | super.onMeasure(MeasureSpec.makeMeasureSpec(mWidth, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(mHeight, MeasureSpec.EXACTLY)); 171 | Rect rect1 = new Rect(getPaddingLeft(), getPaddingTop(), getPaddingLeft() + getMeasuredWidth() / 3, getPaddingTop() + getMeasuredHeight()); 172 | mBorders[0] = rect1; 173 | Rect rect2 = new Rect(getPaddingLeft() + getMeasuredWidth() / 3, getPaddingTop(), getPaddingLeft() + getMeasuredWidth(), getPaddingTop() + getMeasuredHeight()); 174 | mBorders[1] = rect2; 175 | } 176 | 177 | @Override 178 | protected void onLayout(boolean changed, int l, int t, int r, int b) { 179 | if (getChildCount() <= 0) return; 180 | for (int i = 0; i < getChildCount(); i++) { 181 | View view = getChildAt(i); 182 | if (view instanceof RecyclerView) { 183 | //recyclerview 184 | LayoutHelper.layoutRecyclerView(this, view); 185 | } else if (view instanceof View) { 186 | if (mDragView != null && mDragView == view && mDragLocation[0] != DEFAULT && mDragLocation[1] != DEFAULT) { 187 | view.layout(mDragLocation[0], mDragLocation[1], 188 | view.getMeasuredWidth() + mDragLocation[0], view.getMeasuredHeight() + mDragLocation[1]); 189 | } else { 190 | LayoutHelper.layoutChild(this, view); 191 | } 192 | } 193 | } 194 | 195 | 196 | } 197 | 198 | 199 | @Override 200 | protected void onDraw(Canvas canvas) { 201 | super.onDraw(canvas); 202 | mBgPaint.setColor(Color.parseColor("#ffffff")); 203 | canvas.drawRect(mBorders[0], mBgPaint); 204 | mBgPaint.setColor(Color.parseColor("#f1f1f1")); 205 | canvas.drawRect(mBorders[1], mBgPaint); 206 | } 207 | 208 | @Override 209 | public boolean onInterceptTouchEvent(MotionEvent event) { 210 | return mViewDragHelper.shouldInterceptTouchEvent(event); 211 | } 212 | 213 | @Override 214 | public boolean onTouchEvent(MotionEvent event) { 215 | mViewDragHelper.processTouchEvent(event); 216 | return true; 217 | } 218 | 219 | public void registerSizeChangeCallBack(RecyclerViewHelper.SizeChangedCallBack sizeChangedCallBack) { 220 | 221 | if (sizeChangedCallBack != null && mRecyclerViewHelper != null) { 222 | mRecyclerViewHelper.setSizeChangedCallBack(sizeChangedCallBack); 223 | } 224 | } 225 | 226 | public List getTopicStructure() { 227 | if (mRecyclerViewHelper != null) { 228 | return mRecyclerViewHelper.mList; 229 | } 230 | return null; 231 | } 232 | 233 | public void fillData(List data) { 234 | if (mRecyclerViewHelper != null) { 235 | mRecyclerViewHelper.init(data); 236 | } 237 | } 238 | 239 | 240 | public class CallBack extends ViewDragHelper.Callback { 241 | 242 | @Override 243 | public boolean tryCaptureView(View child, int pointerId) { 244 | if (!dragEnable) return false; 245 | boolean can = canDrag(child); 246 | if (can) isDraging = true; 247 | mDragView = child; 248 | mRecyclerViewHelper.reset(); 249 | if (can) { 250 | child.setBackgroundColor(Color.parseColor("#f7f7f9")); 251 | bringChildToFront(child); 252 | initRxSubject(); 253 | } 254 | mDragLocation[0] = DEFAULT; 255 | mDragLocation[1] = DEFAULT; 256 | return can; 257 | } 258 | 259 | @Override 260 | public int clampViewPositionHorizontal(View child, int left, int dx) { 261 | final int leftBound = getPaddingLeft(); 262 | final int rightBound = getWidth() - leftBound - child.getMeasuredWidth(); 263 | 264 | final int newLeft = Math.min(Math.max(left, leftBound), rightBound); 265 | 266 | return newLeft; 267 | } 268 | 269 | @Override 270 | public int clampViewPositionVertical(View child, int top, int dy) { 271 | return top; 272 | } 273 | 274 | @Override 275 | public void onViewPositionChanged(View changedView, int left, int top, int dx, int dy) { 276 | mDragLocation[0] = left; 277 | mDragLocation[1] = top; 278 | 279 | if (!isDraging) return; 280 | 281 | if (left < (getWidth() / 3 - changedView.getWidth() / 2)) { 282 | mRecyclerViewHelper.cancel(); 283 | } else { 284 | int[] ints = new int[4]; 285 | ints[0] = left; 286 | ints[1] = top; 287 | ints[2] = changedView.getBottom(); 288 | ints[3] = (int) changedView.getTag(); 289 | if (mPublishSubject != null) { 290 | mPublishSubject.onNext(ints); 291 | } else { 292 | mRecyclerViewHelper.draging(ints); 293 | } 294 | } 295 | 296 | } 297 | 298 | @Override 299 | public void onViewReleased(View releasedChild, float xvel, float yvel) { 300 | isDraging = false; 301 | if (mPublishSubject != null) 302 | mPublishSubject.onComplete(); 303 | if (releasedChild.getTag() != null) { 304 | int[] ints = new int[4]; 305 | ints[0] = releasedChild.getLeft(); 306 | ints[1] = releasedChild.getTop(); 307 | ints[2] = releasedChild.getBottom(); 308 | ints[3] = (int) releasedChild.getTag(); 309 | if (ints[0] < (getWidth() / 3 - releasedChild.getWidth() / 2)) { 310 | mRecyclerViewHelper.cancel(); 311 | } else { 312 | mRecyclerViewHelper.dragFinish(ints[3]); 313 | } 314 | int tag = (int) releasedChild.getTag(); 315 | if (mDragView != null) { 316 | mDragView.setVisibility(INVISIBLE); 317 | } 318 | 319 | mViewDragHelper.settleCapturedViewAt(LayoutHelper.locations.get(tag)[0], LayoutHelper.locations.get(tag)[1]); 320 | invalidate(); 321 | } 322 | } 323 | } 324 | 325 | private void initRxSubject() { 326 | 327 | //通过throttleLast做延迟，防止拖动的时候闪的太快 328 | mPublishSubject = PublishSubject.create(); 329 | mPublishSubject.throttleLast(300, TimeUnit.MILLISECONDS) 330 | .subscribeOn(Schedulers.io()) 331 | .observeOn(AndroidSchedulers.mainThread()) 332 | .subscribe(new Consumer() { 333 | @Override 334 | public void accept(int[] ints) throws Exception { 335 | if (mRecyclerViewHelper != null) 336 | mRecyclerViewHelper.draging(ints); 337 | 338 | } 339 | }); 340 | } 341 | 342 | private View mDragView; 343 | public static boolean isDraging; //是否正在拖拽 344 | private int[] mDragLocation = new int[2]; 345 | 346 | @Override 347 | public void computeScroll() { 348 | if (mViewDragHelper.continueSettling(true)) { 349 | invalidate(); 350 | } else { 351 | if (mDragView != null && mDragView.getVisibility() != View.VISIBLE) { 352 | mDragView.setVisibility(VISIBLE); 353 | mDragView.setBackgroundColor(Color.parseColor("#ffffff")); 354 | if (mRecyclerViewHelper != null) { 355 | mRecyclerViewHelper.cancel(); 356 | } 357 | } 358 | } 359 | } 360 | 361 | private boolean canDrag(View child) { 362 | 363 | if (child == view1[1]) return true; 364 | if (child == view2[1]) return true; 365 | if (child == view3[1]) return true; 366 | return false; 367 | } 368 | 369 | public String getSubjectTitle() { 370 | if (mRecyclerViewHelper != null) { 371 | return mRecyclerViewHelper.mSubjectTitle; 372 | } 373 | return RecyclerViewHelper.getSubjectTitle(); 374 | } 375 | 376 | 377 | //必须从0开始 378 | public static final int T_XUANZE = 0; 379 | public static final int T_PANDUAN = 1; 380 | public static final int T_ZHUGUAN = 2; 381 | public static final int T_TITLE = 3; 382 | public static final int T_EMPTY = 4; 383 | 384 | 385 | } 386 | -------------------------------------------------------------------------------- /app/src/main/java/com/jyuesong/dragview2fill/dragview/RecyclerViewHelper.java: -------------------------------------------------------------------------------- 1 | package com.jyuesong.dragview2fill.dragview; 2 | 3 | import android.app.AlertDialog; 4 | import android.content.DialogInterface; 5 | import android.graphics.Color; 6 | import android.support.v4.content.ContextCompat; 7 | import android.support.v7.widget.LinearLayoutManager; 8 | import android.support.v7.widget.RecyclerView; 9 | import android.support.v7.widget.helper.ItemTouchHelper; 10 | import android.text.Editable; 11 | import android.text.InputFilter; 12 | import android.text.TextUtils; 13 | import android.view.View; 14 | import android.view.ViewGroup; 15 | import android.view.inputmethod.EditorInfo; 16 | import android.widget.EditText; 17 | import android.widget.ImageView; 18 | import android.widget.LinearLayout; 19 | import android.widget.TextView; 20 | import android.widget.Toast; 21 | 22 | import com.jyuesong.dragview2fill.FastModel; 23 | import com.jyuesong.dragview2fill.R; 24 | import com.jyuesong.dragview2fill.adapter.BaseAdapter; 25 | import com.jyuesong.dragview2fill.adapter.BaseViewHolder; 26 | 27 | import java.text.SimpleDateFormat; 28 | import java.util.ArrayList; 29 | import java.util.Collections; 30 | import java.util.Date; 31 | import java.util.List; 32 | 33 | /** 34 | * Created by jiang on 29/01/2018. 35 | */ 36 | public class RecyclerViewHelper extends ItemTouchHelper.Callback { 37 | 38 | 39 | private ViewGroup mParent; 40 | private RecyclerView mRecyclerView; 41 | private ItemTouchHelper mItemTouchHelper; 42 | public static final int MAX_COUNT = 50; //题数最大值 43 | public static final int MAX_SUBJECT_COUNT = 10; //可拖动的最大个数 44 | public SizeChangedCallBack mSizeChangedCallBack; 45 | protected String mSubjectTitle = getSubjectTitle(); 46 | 47 | public void setSizeChangedCallBack(SizeChangedCallBack sizeChangedCallBack) { 48 | mSizeChangedCallBack = sizeChangedCallBack; 49 | } 50 | 51 | public RecyclerViewHelper(ViewGroup parent) { 52 | this.mParent = parent; 53 | 54 | } 55 | 56 | public static RecyclerViewHelper create(ViewGroup parent) { 57 | return new RecyclerViewHelper(parent); 58 | } 59 | 60 | public RecyclerView generateRecyclerView() { 61 | mRecyclerView = new RecyclerView(mParent.getContext()); 62 | mItemTouchHelper = new ItemTouchHelper(this); 63 | mItemTouchHelper.attachToRecyclerView(mRecyclerView); 64 | return mRecyclerView; 65 | } 66 | 67 | public RecyclerView getRecyclerView() { 68 | return mRecyclerView; 69 | } 70 | 71 | private int lastPosition = -1; 72 | private boolean dealing = false; 73 | 74 | public List mList = new ArrayList<>(); 75 | 76 | 77 | public void init(List lianXiTiXingModels) { 78 | mList.clear(); 79 | mList.add(new FastModel(DragViewGroup.T_TITLE, 0)); 80 | if (lianXiTiXingModels == null) { 81 | mList.add(new FastModel(DragViewGroup.T_EMPTY, 0)); 82 | } else { 83 | mList.addAll(lianXiTiXingModels); 84 | } 85 | 86 | mRecyclerView.setLayoutManager(new LinearLayoutManager(mParent.getContext(), LinearLayoutManager.VERTICAL, false)); 87 | mRecyclerView.setAdapter(new MyAdapter()); 88 | } 89 | 90 | public void init() { 91 | init(null); 92 | 93 | 94 | } 95 | 96 | public void adding(int pos) { 97 | if (lastPosition == pos) return; 98 | if (pos < 0) return; 99 | cancel(); 100 | mList.add(pos, new FastModel(true)); 101 | lastPosition = pos; 102 | mRecyclerView.getAdapter().notifyItemInserted(pos); 103 | 104 | } 105 | 106 | public void dragFinish(int tag) { 107 | 108 | int bestPosition = lastPosition; 109 | cancel(); 110 | if (bestPosition >= 0) { 111 | mList.add(bestPosition, new FastModel(tag, 1)); 112 | mRecyclerView.getAdapter().notifyItemInserted(bestPosition); 113 | if (mSizeChangedCallBack != null) { 114 | mSizeChangedCallBack.size(mList.size() - 1); 115 | } 116 | } 117 | reset(); 118 | if (mList.size() > MAX_SUBJECT_COUNT) { 119 | msg("题型最多添加" + MAX_SUBJECT_COUNT + "个"); 120 | } 121 | } 122 | 123 | private void removeAddingItem() { 124 | for (int i = 0; i < mList.size(); i++) { 125 | if (mList.get(i).isAdding()) { 126 | mList.remove(i); 127 | i--; 128 | } 129 | 130 | } 131 | } 132 | 133 | public void cancel() { 134 | lastPosition = -1; 135 | if (mList.size() == 2 && mList.get(1).getType() == DragViewGroup.T_EMPTY) mList.remove(1); 136 | removeAddingItem(); 137 | mRecyclerView.getAdapter().notifyDataSetChanged(); 138 | } 139 | 140 | public void reset() { 141 | dealing = false; 142 | lastPosition = -1; 143 | 144 | } 145 | 146 | public static String getSubjectTitle() { 147 | return "课堂练习 " + new SimpleDateFormat("yyyyMMdd HH:mm").format(new Date()); 148 | 149 | } 150 | 151 | public void draging(int[] ints) { 152 | 153 | if (dealing) return; 154 | dealing = true; 155 | //只需要知道顶部坐标，来判断要不要添加，添加到哪 156 | int top = ints[1]; 157 | int bottom = ints[2]; 158 | int tag = ints[3]; 159 | 160 | //根据position一个一个找到一个位置，位置的顶部在top上面，然后下一个位置的底部在top的下面 161 | int positions = findBestPosition(top, bottom, mRecyclerView); 162 | if (positions == 0) { 163 | positions = 1; 164 | } 165 | if (mList.size() == 1 && mList.get(0).isAdding()) return; 166 | adding(positions); 167 | dealing = false; 168 | } 169 | 170 | private int findBestPosition(int top, int bottom, RecyclerView recyclerView) { 171 | if (mList == null || mList.size() == 0) return 0; 172 | LinearLayoutManager linearLayoutManager = (LinearLayoutManager) recyclerView.getLayoutManager(); 173 | 174 | int position = linearLayoutManager.findFirstVisibleItemPosition(); 175 | 176 | 177 | View view = linearLayoutManager.findViewByPosition(position); 178 | 179 | if (view == null) return -1; 180 | if (view.getTop() > top && view.getBottom() > bottom) { 181 | return position; 182 | } 183 | for (int i = position; i < mList.size() - 1; i++) { 184 | View view1 = linearLayoutManager.findViewByPosition(i); 185 | View view2 = linearLayoutManager.findViewByPosition(i + 1); 186 | if (view1 == null || view2 == null) { 187 | return -1; 188 | } 189 | int tempTop = view1.getTop(); 190 | int tempBottom = view2.getBottom(); 191 | if (tempBottom > top && tempTop < top) { 192 | return i + 1; 193 | } 194 | } 195 | return position + 1; 196 | } 197 | 198 | private static final String TAG = "RecyclerViewHelper"; 199 | 200 | @Override 201 | public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) { 202 | int position = viewHolder.getAdapterPosition(); 203 | if (mList.get(position).getType() == DragViewGroup.T_TITLE) return 0; 204 | if (mList.get(position).getType() == DragViewGroup.T_EMPTY) 205 | return makeMovementFlags(ItemTouchHelper.UP | 206 | ItemTouchHelper.DOWN, 0); 207 | if (recyclerView.getLayoutManager() instanceof LinearLayoutManager) { 208 | final int dragFlag = ItemTouchHelper.UP | 209 | ItemTouchHelper.DOWN | ItemTouchHelper.RIGHT | ItemTouchHelper.LEFT; 210 | int swipeFlag = ItemTouchHelper.START; 211 | return makeMovementFlags(dragFlag, swipeFlag); 212 | } 213 | return 0; 214 | } 215 | 216 | @Override 217 | public boolean isItemViewSwipeEnabled() { 218 | return true; 219 | } 220 | 221 | @Override 222 | public boolean isLongPressDragEnabled() { 223 | return true; 224 | } 225 | 226 | @Override 227 | public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) { 228 | int fromPos = viewHolder.getAdapterPosition(); 229 | int toPos = target.getAdapterPosition(); 230 | if (toPos == 0) toPos = 1; 231 | if (fromPos == toPos) return true; 232 | if (fromPos < toPos) { 233 | for (int i = fromPos; i < toPos; i++) { 234 | Collections.swap(mList, i, i + 1); 235 | } 236 | } else { 237 | for (int i = fromPos; i > toPos; i--) { 238 | Collections.swap(mList, i, i - 1); 239 | } 240 | } 241 | 242 | recyclerView.getAdapter().notifyItemMoved(fromPos, toPos); 243 | if (mSizeChangedCallBack != null) { 244 | mSizeChangedCallBack.size(mList.size() - 1); 245 | } 246 | return true; 247 | } 248 | 249 | @Override 250 | public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) { 251 | int position = viewHolder.getAdapterPosition(); 252 | if (mList.get(position).getType() == DragViewGroup.T_TITLE) return; 253 | deleteItem(position, true); 254 | 255 | } 256 | 257 | 258 | public class MyAdapter extends BaseAdapter { 259 | @Override 260 | public void onBindView(final BaseViewHolder holder, final int position) { 261 | if (mList.get(position).isAdding()) return; 262 | 263 | int type = mList.get(position).getType(); 264 | if (type == DragViewGroup.T_TITLE) { 265 | holder.getConvertView().setBackgroundColor(Color.parseColor("#ffffff")); 266 | holder.setText(R.id.fast_new_title, mSubjectTitle); 267 | 268 | } else if (type == DragViewGroup.T_EMPTY) { 269 | } else { 270 | holder.getConvertView().setBackgroundColor(Color.parseColor("#f7f7f9")); 271 | final int countValue = mList.get(position).getCount(); 272 | String title = getTitleByType(type); 273 | ImageView delete = holder.getView(R.id.fast_new_delete); 274 | delete.setClickable(true); 275 | delete.setOnClickListener(new View.OnClickListener() { 276 | @Override 277 | public void onClick(View v) { 278 | deleteItem(position, false); 279 | 280 | } 281 | }); 282 | holder.setText(R.id.title, title); 283 | ImageView imageView = holder.getView(R.id.fast_item_icon); 284 | int drawable = getDrawableByType(type); 285 | imageView.setImageDrawable(ContextCompat.getDrawable(mParent.getContext(), drawable)); 286 | TextView count = holder.getView(R.id.fast_count); 287 | count.setText(countValue + ""); 288 | count.setClickable(true); 289 | count.setOnClickListener(new View.OnClickListener() { 290 | @Override 291 | public void onClick(View v) { 292 | itemCountClicked(position, mList.get(position).getCount()); 293 | } 294 | }); 295 | 296 | ImageView add = holder.getView(R.id.fast_add); 297 | ImageView reduce = holder.getView(R.id.fast_reduce); 298 | if (countValue >= MAX_COUNT) { 299 | add.setVisibility(View.GONE); 300 | } else { 301 | add.setVisibility(View.VISIBLE); 302 | add.setClickable(true); 303 | add.setOnClickListener(new View.OnClickListener() { 304 | @Override 305 | public void onClick(View v) { 306 | mList.get(position).setCount(countValue + 1); 307 | notifyItemChanged(position); 308 | } 309 | }); 310 | } 311 | if (countValue <= 1) { 312 | reduce.setVisibility(View.GONE); 313 | } else { 314 | reduce.setVisibility(View.VISIBLE); 315 | reduce.setClickable(true); 316 | reduce.setOnClickListener(new View.OnClickListener() { 317 | @Override 318 | public void onClick(View v) { 319 | mList.get(position).setCount(countValue - 1); 320 | notifyItemChanged(position); 321 | } 322 | }); 323 | } 324 | 325 | } 326 | 327 | } 328 | 329 | @Override 330 | public int getLayoutID(int position) { 331 | if (mList.get(position).isAdding()) { 332 | return R.layout.fast_adding; 333 | 334 | } 335 | if (mList.get(position).getType() == DragViewGroup.T_TITLE) 336 | return R.layout.fast_item_title; 337 | if (mList.get(position).getType() == DragViewGroup.T_EMPTY) 338 | return R.layout.fast_item_empty; 339 | return R.layout.fast_tixing_item; 340 | } 341 | 342 | @Override 343 | public boolean clickable() { 344 | return false; 345 | } 346 | 347 | @Override 348 | public int getItemCount() { 349 | return mList.size(); 350 | } 351 | } 352 | 353 | private void deleteItem(int position, boolean anim) { 354 | mList.remove(position); 355 | if (anim) { 356 | mRecyclerView.getAdapter().notifyItemRemoved(position); 357 | } 358 | if (mList.size() == 1) { 359 | mList.add(new FastModel(DragViewGroup.T_EMPTY, 0)); 360 | mRecyclerView.getAdapter().notifyItemInserted(1); 361 | 362 | } 363 | //以后可以用 notifyItemRangeChanged这个方法来提高效率 364 | // if (!anim) { 365 | mRecyclerView.getAdapter().notifyDataSetChanged(); 366 | // } 367 | if (mSizeChangedCallBack != null) { 368 | if (mList.size() == 2 && mList.get(1).getType() == DragViewGroup.T_EMPTY) { 369 | mSizeChangedCallBack.size(0); 370 | } else { 371 | mSizeChangedCallBack.size(mList.size() - 1); 372 | } 373 | } 374 | } 375 | 376 | private void itemCountClicked(final int position, int count) { 377 | final EditText input = new EditText(mParent.getContext()); 378 | input.setInputType(EditorInfo.TYPE_CLASS_NUMBER); 379 | input.setFilters(new InputFilter[]{new InputFilter.LengthFilter(3)}); 380 | 381 | // input.setImeOptions(EditorInfo.IME_ACTION_DONE); 382 | LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( 383 | LinearLayout.LayoutParams.MATCH_PARENT, 384 | LinearLayout.LayoutParams.MATCH_PARENT); 385 | input.setLayoutParams(lp); 386 | input.setText(count + ""); 387 | 388 | final AlertDialog alertDialog = new AlertDialog.Builder(mParent.getContext()) 389 | .setView(input) 390 | .setCancelable(false) 391 | .setTitle("请设置题数") 392 | .setPositiveButton("确定", new DialogInterface.OnClickListener() { 393 | @Override 394 | public void onClick(DialogInterface dialog, int which) { 395 | 396 | } 397 | }).setNegativeButton("取消", new DialogInterface.OnClickListener() { 398 | @Override 399 | public void onClick(DialogInterface dialog, int which) { 400 | dialog.dismiss(); 401 | 402 | } 403 | }).create(); 404 | alertDialog.setCanceledOnTouchOutside(false); 405 | alertDialog.show(); 406 | alertDialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener(new View.OnClickListener() { 407 | @Override 408 | public void onClick(View v) { 409 | Editable editable = input.getText(); 410 | if (TextUtils.isEmpty(editable)) { 411 | msg("题数不能为空"); 412 | return; 413 | } 414 | try { 415 | int result = Integer.valueOf(editable.toString()); 416 | if (result < 0) { 417 | msg("题数不能小于0"); 418 | return; 419 | } 420 | if (result == 0) { 421 | msg("题数不能为0"); 422 | return; 423 | } 424 | if (result > MAX_COUNT) { 425 | msg("题数不能超过" + MAX_COUNT); 426 | return; 427 | } 428 | mList.get(position).setCount(result); 429 | alertDialog.dismiss(); 430 | mRecyclerView.getAdapter().notifyItemChanged(position); 431 | } catch (Exception e1) { 432 | msg("题数不合法"); 433 | 434 | 435 | } 436 | 437 | } 438 | }); 439 | 440 | } 441 | 442 | private void msg(String s) { 443 | Toast.makeText(mParent.getContext(), s, Toast.LENGTH_SHORT).show(); 444 | } 445 | 446 | private int getDrawableByType(int type) { 447 | switch (type) { 448 | case DragViewGroup.T_PANDUAN: 449 | return R.mipmap.fast_panduan_icon; 450 | 451 | case DragViewGroup.T_XUANZE: 452 | return R.mipmap.fast_xuanze_icon; 453 | 454 | case DragViewGroup.T_ZHUGUAN: 455 | return R.mipmap.fast_zhuguan_icon; 456 | } 457 | return R.mipmap.fast_zhuguan_icon; 458 | } 459 | 460 | private String getTitleByType(int type) { 461 | switch (type) { 462 | case DragViewGroup.T_PANDUAN: 463 | return "判断题"; 464 | 465 | case DragViewGroup.T_XUANZE: 466 | return "选择题"; 467 | 468 | case DragViewGroup.T_ZHUGUAN: 469 | return "主观题"; 470 | } 471 | return "大题"; 472 | } 473 | 474 | public interface SizeChangedCallBack { 475 | void size(int count); 476 | 477 | } 478 | } 479 | --------------------------------------------------------------------------------