├── 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 │ │ │ │ └── activity_main.xml │ │ │ ├── drawable-v24 │ │ │ │ └── ic_launcher_foreground.xml │ │ │ └── drawable │ │ │ │ └── ic_launcher_background.xml │ │ ├── java │ │ │ └── com │ │ │ │ └── fengshihao │ │ │ │ └── example │ │ │ │ └── xlistener │ │ │ │ ├── MainActivity.java │ │ │ │ └── GenerateTest.java │ │ └── AndroidManifest.xml │ ├── test │ │ └── java │ │ │ ├── com │ │ │ └── fengshihao │ │ │ │ └── example │ │ │ │ └── xlistener │ │ │ │ └── ExampleUnitTest.java │ │ │ └── android │ │ │ └── util │ │ │ └── Log.java │ └── androidTest │ │ └── java │ │ └── com │ │ └── fengshihao │ │ └── xlistener │ │ └── ExampleInstrumentedTest.java ├── proguard-rules.pro └── build.gradle ├── XListenerProcessor ├── .gitignore ├── delpoly_mvn.sh ├── build.gradle ├── src │ └── main │ │ └── java │ │ └── com │ │ └── fengshihao │ │ └── xlistener │ │ ├── XListener.java │ │ ├── XListenerProcessor.java │ │ └── CodeGenerator.java └── pom.xml ├── settings.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── .gitignore ├── gradle.properties ├── gradlew.bat ├── README.md └── gradlew /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /XListenerProcessor/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app', ':XListenerProcessor' 2 | -------------------------------------------------------------------------------- /XListenerProcessor/delpoly_mvn.sh: -------------------------------------------------------------------------------- 1 | mvn clean deploy -P release 2 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/fengshihao/xlistener/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | xlistener test 3 | 4 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea 5 | .DS_Store 6 | /build 7 | /captures 8 | .externalNativeBuild 9 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/fengshihao/xlistener/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/fengshihao/xlistener/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/fengshihao/xlistener/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/fengshihao/xlistener/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/fengshihao/xlistener/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/fengshihao/xlistener/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/fengshihao/xlistener/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/fengshihao/xlistener/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/fengshihao/xlistener/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/fengshihao/xlistener/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Sat Jan 20 23:05:32 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 | -------------------------------------------------------------------------------- /XListenerProcessor/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'java-library' 2 | 3 | dependencies { 4 | implementation fileTree(dir: 'libs', include: ['*.jar']) 5 | compile 'com.google.auto.service:auto-service:1.0-rc2' 6 | } 7 | 8 | sourceCompatibility = "1.8" 9 | targetCompatibility = "1.8" 10 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /XListenerProcessor/src/main/java/com/fengshihao/xlistener/XListener.java: -------------------------------------------------------------------------------- 1 | package com.fengshihao.xlistener; 2 | 3 | import java.lang.annotation.Retention; 4 | import java.lang.annotation.RetentionPolicy; 5 | 6 | /** 7 | * Created by fengshihao on 18-7-6. 8 | */ 9 | 10 | @Retention(RetentionPolicy.SOURCE) 11 | public @interface XListener { 12 | 13 | boolean notifyOnMainThread() default false; 14 | } 15 | -------------------------------------------------------------------------------- /app/src/test/java/com/fengshihao/example/xlistener/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package com.fengshihao.example.xlistener; 2 | 3 | import org.junit.Test; 4 | 5 | /** 6 | * Example local unit test, which will execute on the development machine (host). 7 | * 8 | * @see Testing documentation 9 | */ 10 | public class ExampleUnitTest { 11 | 12 | @Test 13 | public void testListenerGenerate() { 14 | } 15 | } 16 | 17 | -------------------------------------------------------------------------------- /app/src/main/java/com/fengshihao/example/xlistener/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.fengshihao.example.xlistener; 2 | 3 | import android.app.Activity; 4 | import android.os.Bundle; 5 | 6 | public class MainActivity extends Activity { 7 | 8 | @Override 9 | protected void onCreate(Bundle savedInstanceState) { 10 | super.onCreate(savedInstanceState); 11 | setContentView(R.layout.activity_main); 12 | GenerateTest test = new GenerateTest(); 13 | test.run(); 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /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/test/java/android/util/Log.java: -------------------------------------------------------------------------------- 1 | package android.util; 2 | 3 | /** 4 | * Created by fengshihao on 18-10-17. 5 | */ 6 | 7 | public class Log { 8 | public static int d(String tag, String msg) { 9 | System.out.println("DEBUG: " + tag + ": " + msg); 10 | return 0; 11 | } 12 | 13 | public static int i(String tag, String msg) { 14 | System.out.println("INFO: " + tag + ": " + msg); 15 | return 0; 16 | } 17 | 18 | public static int w(String tag, String msg) { 19 | System.out.println("WARN: " + tag + ": " + msg); 20 | return 0; 21 | } 22 | 23 | public static int e(String tag, String msg) { 24 | System.out.println("ERROR: " + tag + ": " + msg); 25 | return 0; 26 | } 27 | 28 | // add other methods if required... 29 | } -------------------------------------------------------------------------------- /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/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 9 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/fengshihao/xlistener/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package com.fengshihao.xlistener; 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.fengshihao.xlistener.test", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 26 5 | defaultConfig { 6 | applicationId "com.fengshihao.xlistenerTest" 7 | minSdkVersion 16 8 | targetSdkVersion 26 9 | versionCode 1 10 | versionName "1.0" 11 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 12 | 13 | javaCompileOptions { 14 | annotationProcessorOptions { 15 | includeCompileClasspath = true 16 | } 17 | } 18 | } 19 | buildTypes { 20 | release { 21 | minifyEnabled false 22 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 23 | } 24 | } 25 | 26 | // jackOptions { 27 | // enabled true 28 | // } 29 | 30 | compileOptions { 31 | sourceCompatibility JavaVersion.VERSION_1_8 32 | targetCompatibility JavaVersion.VERSION_1_8 33 | } 34 | 35 | testOptions { 36 | unitTests.returnDefaultValues = true 37 | } 38 | 39 | } 40 | 41 | dependencies { 42 | implementation fileTree(dir: 'libs', include: ['*.jar']) 43 | implementation 'com.android.support.constraint:constraint-layout:1.0.2' 44 | 45 | testImplementation 'junit:junit:4.12' 46 | testCompile "org.mockito:mockito-core:1.9.5" 47 | androidTestImplementation 'com.android.support.test:runner:1.0.1' 48 | androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1' 49 | 50 | compileOnly project(path : ':XListenerProcessor') 51 | //compileOnly 'com.fengshihao.xlistener:xlistener:1.0' 52 | } 53 | -------------------------------------------------------------------------------- /app/src/main/java/com/fengshihao/example/xlistener/GenerateTest.java: -------------------------------------------------------------------------------- 1 | package com.fengshihao.example.xlistener; 2 | 3 | import android.os.Handler; 4 | import android.os.HandlerThread; 5 | import android.util.Log; 6 | 7 | import com.fengshihao.xlistener.XListener; 8 | 9 | @XListener 10 | interface TestListener { 11 | default void onX(int x) {} 12 | default void onY(int x, float y, String z) {} 13 | void onZ(); 14 | } 15 | 16 | 17 | /** 18 | * Created by fengshihao on 18-7-8. 19 | */ 20 | 21 | public class GenerateTest { 22 | private static final String TAG = "GenerateTest"; 23 | 24 | HandlerThread mWorkThread = new HandlerThread("WorkerThread"); 25 | Handler mWorkHandler; 26 | private void init() { 27 | mWorkThread.start(); 28 | mWorkHandler = new Handler(mWorkThread.getLooper()); 29 | } 30 | 31 | private void createListenerListAndCallMethods() { 32 | Log.d(TAG, "createListenerListAndCallMethods: thread=" + Thread.currentThread().getName()); 33 | TestListenerList t = new TestListenerList(); 34 | t.attachToMainThread(); 35 | t.addListener(new TestListener() { 36 | @Override 37 | public void onX(int x) { 38 | Log.d(TAG, "onX() called with: x = [" + x + "] thread=" + Thread.currentThread().getName()); 39 | } 40 | 41 | @Override 42 | public void onZ() { 43 | Log.d(TAG, "onZ() called on thread=" + Thread.currentThread().getName()); 44 | } 45 | }); 46 | 47 | t.onX(100); 48 | t.onZ(); 49 | } 50 | 51 | public void run() { 52 | init(); 53 | mWorkHandler.post(() -> createListenerListAndCallMethods()); 54 | } 55 | } 56 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | 2 | ## 使用 3 | 4 | 第一步： 5 | gradle 添加依赖： 6 | ``` 7 | annotationProcessor 'com.fengshihao.xlistener:xlistener:1.0.1' 8 | compileOnly 'com.fengshihao.xlistener:xlistener:1.0.1' 9 | ``` 10 | 11 | 第二步： 12 | ```java 13 | import com.fengshihao.xlistener.XListener; 14 | 15 | @XListener //使用完成代码自动生成 TestListenerList 类，和TestListener包一样. 16 | interface TestListener { 17 | default void onX(int x) {} 18 | default void onY(int x, float y, String z) {} 19 | void onZ(); 20 | } 21 | 22 | ``` 23 | 24 | 第三步： 25 | ```java 26 | TestListenerList t = new TestListenerList(); 27 | // 之后onX, onZ... 将会被在主线程调用。 如果调用attachToCurrentThread，会让回调在当前线程 28 | t.attachToMainThread(); 29 | t.addListener(new TestListener() { 30 | @Override 31 | public void onX(int x) { 32 | Log.d(TAG, "onX() called with: x = [" + x + "] thread=" + Thread.currentThread().getName()); 33 | } 34 | 35 | @Override 36 | public void onZ() { 37 | Log.d(TAG, "onZ() called on thread=" + Thread.currentThread().getName()); 38 | } 39 | }); 40 | 41 | t.onX(100); 42 | t.onZ(); 43 | t.clean(); //清空listener列表 44 | ``` 45 | ## 什么是XListener？ 46 | 47 | XListener是观察者模型的实现。 可以让开发者用最简单的方式写出各种Listener。 它主要目的是替换EventBus。 48 | 49 | 想象这么个场景， 你创建了一个播放器类 50 | ```java 51 | class Player { 52 | public void play() {} 53 | public void pause() {} 54 | public void stop() {} 55 | } 56 | ``` 57 | 播放器会有一些事件需要其他模块处理，不能把其他的逻辑，比如UI的展示，写在播放器中，于是你创建一个listener 58 | 59 | ```java 60 | interface PlayerListener { 61 | void onStarted(); 62 | void onProgress(int progress); 63 | void onStop(); 64 | } 65 | // 这时候player需要做些改动 增加一个成员 listener, 并在合适的时候调用通知， 这样外边的模块就可以根据事件做出相应逻辑。 66 | class Player { 67 | PlayerListener mListener; 68 | public void play() { 69 | mListener.onStarted(); 70 | } 71 | 72 | //在程序某个地方 73 | mListener.onProgress(pro); 74 | 75 | public void pause() { 76 | } 77 | 78 | public void stop() { 79 | mListener.onStop(); 80 | } 81 | } 82 | ``` 83 | 84 | 但是问题很快又来了。 关心这些事件的不是一个模块， 比如字幕模块， 声音模块...他们都需要知道什么时候开始播放 什么时候停止播放。 85 | 于是Player.mListener变成了一个列表 PlayerListenerList。 你得维护它。 86 | ```java 87 | //这个类里边充斥着样板代码。 XListener可以方便的生成这种样板代码。 88 | public interface PlayerListenerList implements PlayerListener { 89 | private List mListeners = new ArrayList<>(); 90 | 91 | public void addListener(PlayerListener listener) { 92 | ... 93 | } 94 | public void removeListener(PlayerListener listener) { 95 | ... 96 | } 97 | 98 | 99 | @Override 100 | public void onStarted() { 101 | for (PlayerListener l: mListeners) { 102 | l.onStarted(); 103 | } 104 | } 105 | 106 | .... 107 | } 108 | ``` 109 | ## 为什么放弃EventBus 110 | 这时候有很多人会想到EventBus。 但是EventBus 会引诱人们写各种凌乱的event。 然后就成了EventBugs。 111 | * EventBus 使得程序逻辑杂乱无章， 看似解耦实则是为错误的设计做了补丁。 112 | * 被迫定义各种Event， 调用和被调用方使用都很不方便。 113 | * 使用了反射的机制效率不高。 114 | 115 | ## XListener特点 116 | * 使用自动代码生成方式让开发者省去了编写addXListener() removeXListener() 这样的样板代码 117 | * 使用代码生成方式保证Listener的调用效率， 和类型检查不失效，调用方和被调用方在重构时保证参数正确。 118 | * 非常小的代价。几乎不影响现有接口， 生成的XListenerList 和 XListene的接口保持一致。 119 | * 可以设置XListenerList回调线程。 线程切换异常方便。 120 | -------------------------------------------------------------------------------- /XListenerProcessor/src/main/java/com/fengshihao/xlistener/XListenerProcessor.java: -------------------------------------------------------------------------------- 1 | package com.fengshihao.xlistener; 2 | 3 | import com.google.auto.service.AutoService; 4 | 5 | import java.io.IOException; 6 | import java.io.Writer; 7 | import java.util.HashMap; 8 | import java.util.LinkedHashSet; 9 | import java.util.LinkedList; 10 | import java.util.List; 11 | import java.util.Map; 12 | import java.util.Set; 13 | 14 | import javax.annotation.processing.AbstractProcessor; 15 | import javax.annotation.processing.Filer; 16 | import javax.annotation.processing.Messager; 17 | import javax.annotation.processing.ProcessingEnvironment; 18 | import javax.annotation.processing.Processor; 19 | import javax.annotation.processing.RoundEnvironment; 20 | import javax.lang.model.SourceVersion; 21 | import javax.lang.model.element.Element; 22 | import javax.lang.model.element.ElementKind; 23 | import javax.lang.model.element.ExecutableElement; 24 | import javax.lang.model.element.PackageElement; 25 | import javax.lang.model.element.TypeElement; 26 | import javax.lang.model.element.VariableElement; 27 | import javax.lang.model.util.Elements; 28 | import javax.tools.Diagnostic; 29 | import javax.tools.JavaFileObject; 30 | 31 | @AutoService(Processor.class) 32 | public class XListenerProcessor extends AbstractProcessor{ 33 | private Filer mFiler; 34 | private Messager mMessager; 35 | private Elements mElementUtils; 36 | 37 | @Override 38 | public synchronized void init(ProcessingEnvironment processingEnvironment) { 39 | super.init(processingEnvironment); 40 | mFiler = processingEnvironment.getFiler(); 41 | mMessager = processingEnvironment.getMessager(); 42 | mElementUtils = processingEnvironment.getElementUtils(); 43 | } 44 | 45 | @Override 46 | public Set getSupportedAnnotationTypes() { 47 | Set annotations = new LinkedHashSet<>(); 48 | annotations.add(XListener.class.getCanonicalName()); 49 | return annotations; 50 | } 51 | 52 | @Override 53 | public SourceVersion getSupportedSourceVersion() { 54 | return SourceVersion.latestSupported(); 55 | } 56 | 57 | @Override 58 | public boolean process(Set set, RoundEnvironment roundEnvironment) { 59 | Set allInterfaces = roundEnvironment.getElementsAnnotatedWith(XListener.class); 60 | for (Element element : allInterfaces) { 61 | if (element.getKind() != ElementKind.INTERFACE) { 62 | note("dont use XListener on a non-Interface object " + element.getSimpleName()); 63 | return false; 64 | } 65 | CodeGenerator model = new CodeGenerator(); 66 | 67 | XListener anotation = element.getAnnotation(XListener.class); 68 | model.notifyOnMainThread = anotation.notifyOnMainThread(); 69 | 70 | model.interfaceName = element.getSimpleName().toString(); 71 | model.className = model.interfaceName + "Notifier"; 72 | //1.获取包名 73 | PackageElement packageElement = mElementUtils.getPackageOf(element); 74 | String pkName = packageElement.getQualifiedName().toString(); 75 | model.packageName = pkName; 76 | //note(String.format("package = %s", pkName)); 77 | 78 | List methods = element.getEnclosedElements(); 79 | for (Element m: methods) { 80 | String methodName = m.getSimpleName().toString(); 81 | //note("m=" + methodName); 82 | List plist = new LinkedList<>(); 83 | ExecutableElement em = (ExecutableElement) m; 84 | List parameters = em.getParameters(); 85 | for (VariableElement p: parameters) { 86 | //note("p=" + p.getSimpleName() + " " + p.asType()); 87 | plist.add(p.asType().toString()); 88 | plist.add(p.getSimpleName().toString()); 89 | } 90 | model.methods.put(methodName, plist); 91 | } 92 | 93 | createFile(model); 94 | } 95 | return true; 96 | } 97 | 98 | private void createFile(CodeGenerator model) { 99 | try { 100 | JavaFileObject jfo = mFiler.createSourceFile(model.packageName + "." + model.interfaceName + "List", new Element[]{}); 101 | Writer writer = jfo.openWriter(); 102 | writer.write(model.toCode()); 103 | writer.flush(); 104 | writer.close(); 105 | } catch (IOException e) { 106 | note("error ", e); 107 | } 108 | } 109 | 110 | private void note(String msg) { 111 | mMessager.printMessage(Diagnostic.Kind.NOTE, msg); 112 | } 113 | 114 | private void note(String format, Object... args) { 115 | mMessager.printMessage(Diagnostic.Kind.NOTE, String.format(format, args)); 116 | } 117 | } 118 | 119 | -------------------------------------------------------------------------------- /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 | 7 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 171 | -------------------------------------------------------------------------------- /XListenerProcessor/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 5 | 4.0.0 6 | 7 | com.fengshihao.xlistener 8 | xlistener 9 | 1.0.1 10 | 11 | xlistener 12 | A simple tool to generate any listener's list. 13 | https://github.com/fengshihao/xlistener 14 | 15 | 16 | The Apache Software License, Version 2.0 17 | http://www.apache.org/licenses/LICENSE-2.0.txt 18 | 19 | 20 | 21 | 22 | fengshihao 23 | fengshihao@hotmail.com 24 | 25 | 26 | 27 | scm:git:git@github.com:fengshihao/xlistener.git 28 | scm:git:git@github.com:fengshihao/xlistener.git 29 | git@github.com:fengshihao/xlistener.git 30 | 31 | 32 | 33 | UTF-8 34 | 1.7 35 | 1.7 36 | 37 | 38 | 39 | 40 | junit 41 | junit 42 | 4.11 43 | test 44 | 45 | 46 | com.google.auto.service 47 | auto-service 48 | 1.0-rc2 49 | 50 | 51 | 52 | 53 | oss 54 | https://oss.sonatype.org/content/repositories/snapshots/ 55 | 56 | 57 | oss 58 | Snapshots 59 | https://oss.sonatype.org/service/local/staging/deploy/maven2/ 60 | 61 | 62 | 63 | 64 | release 65 | 66 | 67 | 68 | 69 | org.apache.maven.plugins 70 | maven-source-plugin 71 | 2.2.1 72 | 73 | 74 | package 75 | 76 | jar-no-fork 77 | 78 | 79 | 80 | 81 | 82 | 83 | org.apache.maven.plugins 84 | maven-javadoc-plugin 85 | 2.9.1 86 | 87 | private 88 | true 89 | UTF-8 90 | UTF-8 91 | UTF-8 92 | -Xdoclint:none 93 | 94 | 95 | 96 | package 97 | 98 | jar 99 | 100 | 101 | 102 | 103 | 104 | 105 | org.apache.maven.plugins 106 | maven-gpg-plugin 107 | 1.5 108 | 109 | 110 | verify 111 | 112 | sign 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | oss 122 | https://oss.sonatype.org/content/repositories/snapshots/ 123 | 124 | 125 | oss 126 | https://oss.sonatype.org/service/local/staging/deploy/maven2/ 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | org.apache.maven.plugins 137 | maven-gpg-plugin 138 | 1.5 139 | 140 | 141 | verify 142 | 143 | sign 144 | 145 | 146 | 147 | 148 | 149 | maven-clean-plugin 150 | 3.0.0 151 | 152 | 153 | 154 | maven-resources-plugin 155 | 3.0.2 156 | 157 | 158 | maven-compiler-plugin 159 | 3.7.0 160 | 161 | 162 | maven-surefire-plugin 163 | 2.20.1 164 | 165 | 166 | maven-jar-plugin 167 | 3.0.2 168 | 169 | 170 | maven-install-plugin 171 | 2.5.2 172 | 173 | 174 | maven-deploy-plugin 175 | 2.8.2 176 | 177 | 178 | 179 | 180 | 181 | -------------------------------------------------------------------------------- /XListenerProcessor/src/main/java/com/fengshihao/xlistener/CodeGenerator.java: -------------------------------------------------------------------------------- 1 | package com.fengshihao.xlistener; 2 | 3 | import java.util.HashMap; 4 | import java.util.List; 5 | import java.util.Map; 6 | 7 | /** 8 | * Created by fengshihao on 18-10-16. 9 | */ 10 | class CodeGenerator { 11 | String className; 12 | String interfaceName; 13 | String packageName; 14 | boolean notifyOnMainThread; 15 | Map> methods = new HashMap<>(); 16 | 17 | private String getMethodsCode() { 18 | StringBuilder code = new StringBuilder(); 19 | for (String methodName: methods.keySet()) { 20 | List parameters = methods.get(methodName); 21 | code.append(getMethodCode(methodName, parameters)); 22 | code.append("\n"); 23 | } 24 | return code.toString(); 25 | } 26 | 27 | 28 | private String getMethodCode(String methodName, List parameters) { 29 | final String METHOD_TMPL = 30 | " @Override" + "\n" + 31 | " public void METHOD(PARAMS) {" + "\n" + 32 | " if (mHandler == null || isRightThread()) {" + "\n" + 33 | "METHOD_INNER_TMPL" + "\n" + 34 | " return;" + "\n" + 35 | " }" + "\n" + 36 | " mHandler.post(() -> {" + "\n" + 37 | "METHOD_INNER_TMPL" + "\n" + 38 | " });" + "\n" + 39 | " }" + "\n"; 40 | 41 | final String METHOD_INNER_TMPL = 42 | " for (INTERFACE l: mListeners) {" + "\n" + 43 | " l.METHOD(NAMES);" + "\n" + 44 | " }"; 45 | 46 | final String METHOD_T = METHOD_TMPL.replace("METHOD_INNER_TMPL", METHOD_INNER_TMPL); 47 | String params = ""; 48 | String paramNames = ""; 49 | 50 | int lastParam = parameters.size() - 2; 51 | for (int i = 0; i < parameters.size() ; i+=2) { 52 | String paramType = parameters.get(i); 53 | String paramName = parameters.get(i + 1); 54 | params += paramType + " " + paramName; 55 | paramNames += paramName; 56 | if (i != lastParam) { 57 | params += ", "; 58 | paramNames += ", "; 59 | } 60 | } 61 | return METHOD_T.replace("METHOD", methodName) 62 | .replace("PARAMS", params) 63 | .replace("NAMES", paramNames); 64 | } 65 | 66 | String toCode() { 67 | String code = Template.replace("PACKAGE_NAME", packageName) 68 | .replace("METHODS_BODY", getMethodsCode()); 69 | return code.replace("INTERFACE", interfaceName); 70 | } 71 | 72 | private String Template = "package PACKAGE_NAME;\n" + 73 | "\n" + 74 | "\n" + 75 | "import android.os.Handler;\n" + 76 | "import android.os.Looper;\n" + 77 | "import android.util.Log;\n" + 78 | "import java.util.ArrayList;\n" + 79 | "import java.util.List;\n" + 80 | 81 | "\n" + 82 | "public class INTERFACEList implements INTERFACE {\n" + 83 | " private List mListeners = new ArrayList<>();\n" + 84 | " private static final String TAG = \"INTERFACEList\";\n" + 85 | "METHODS_BODY" + 86 | " private Handler mHandler;\n" + 87 | 88 | " public void attachToCurrentThread() {\n" + 89 | " if (Looper.myLooper() == null) {\n" + 90 | " Log.e(TAG, \"this thread do not has looper!\");\n" + 91 | " return;\n" + 92 | " }\n" + 93 | " mHandler = new Handler(Looper.myLooper());\n" + 94 | " }\n" + 95 | "\n" + 96 | " public void attachToMainThread() {\n" + 97 | " mHandler = new Handler(Looper.getMainLooper());\n" + 98 | " }" + 99 | "\n" + 100 | " private boolean isRightThread() {\n" + 101 | " return mHandler.getLooper() == Looper.myLooper();\n" + 102 | " }\n" + 103 | "\n" + 104 | " public void addListener(INTERFACE listener) {\n" + 105 | " if (mHandler == null || isRightThread()) {" + "\n" + 106 | " addListener_(listener);" + "\n" + 107 | " return;" + "\n" + 108 | " }" + "\n" + 109 | " mHandler.post(() -> {" + "\n" + 110 | " addListener_(listener);" + "\n" + 111 | " });" + "\n" + 112 | " }\n" + 113 | "\n" + 114 | " public void removeListener(INTERFACE listener) {\n" + 115 | " if (mHandler == null || isRightThread()) {" + "\n" + 116 | " removeListener_(listener);" + "\n" + 117 | " return;" + "\n" + 118 | " }" + "\n" + 119 | " mHandler.post(() -> {" + "\n" + 120 | " removeListener_(listener);" + "\n" + 121 | " });" + "\n" + 122 | " }\n" + 123 | "\n" + 124 | " public void clean() {\n" + 125 | " if (mHandler == null || isRightThread()) {" + "\n" + 126 | " clean_();" + "\n" + 127 | " return;" + "\n" + 128 | " }" + "\n" + 129 | " mHandler.post(() -> {" + "\n" + 130 | " clean_();" + "\n" + 131 | " });" + "\n" + 132 | " }\n" + 133 | "\n" + 134 | " private void addListener_(INTERFACE listener) {\n" + 135 | " if (listener == null) {\n" + 136 | " Log.e(TAG, \"addListener: wrong arg null\");\n" + 137 | " return;\n" + 138 | " }\n" + 139 | " if (mListeners.contains(listener)) {\n" + 140 | " Log.e(TAG, \"addListener: already in \" + listener);\n" + 141 | " return;\n" + 142 | " }\n" + 143 | " mListeners.add(listener);\n" + 144 | " Log.d(TAG, \"addListener: now has listener=\" + mListeners.size());\n" + 145 | " }\n" + 146 | "\n" + 147 | " private INTERFACE removeListener_(INTERFACE listener) {\n" + 148 | " if (listener == null) {\n" + 149 | " Log.e(TAG, \"removeListener: wrong arg null\");\n" + 150 | " return null;\n" + 151 | " }\n" + 152 | " if (mListeners.isEmpty()) {\n" + 153 | " return null;\n" + 154 | " }\n" + 155 | " int idx = mListeners.indexOf(listener);\n" + 156 | " if (idx == -1) {\n" + 157 | " Log.e(TAG, \"removeListener: did not find this listener \" + listener);\n" + 158 | " return null;\n" + 159 | " }\n" + 160 | " INTERFACE r = mListeners.remove(idx);\n" + 161 | " Log.d(TAG, \"removeListener: now has listener=\" + mListeners.size());\n" + 162 | " return r;\n" + 163 | " }\n" + 164 | "\n" + 165 | " private void clean_() {\n" + 166 | " Log.d(TAG, \"clean() called\");\n" + 167 | " mListeners.clear();\n" + 168 | " }\n" + 169 | "}\n"; 170 | } 171 | --------------------------------------------------------------------------------