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AndroidStudio 配置 AspectJ 环境实现AOP的方法

2019-10-22 18:15:24
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昨天看了一段android配置aspectj实现AOP的直播视频,就试着自己配置了一下,可能是因为我自己的AndroidStudio环境的问题,碰到了不少的坑(其实还是因为对gradle理解的不多),但总归是配置好了,就分享一下。

试了两种方式,不过项目下的build.gradle,没什么变化,直接看一下代码吧:

build.gradle(项目下)

buildscript {  ext {    //android appcompat支持库版本    androidSupportVersion = '26.1.0'    //编译的 SDK 版本,如API20    compileSdkVersion = 26    //构建工具的版本,其中包括了打包工具aapt、dx等,如API20对应的build-tool的版本就是20.0.0    buildToolsVersion = "26.0.2"    //兼容的最低 SDK 版本    minSdkVersion = 15    //向前兼容,保存新旧两种逻辑,并通过 if-else 方法来判断执行哪种逻辑    targetSdkVersion = 26    //kotlin版本号    kotlin_version = '1.2.10'    kotlinVersion = "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"    appcompatV7 = "com.android.support:appcompat-v7:$androidSupportVersion"    appcompatDesign = "com.android.support:design:$androidSupportVersion"    constraintLayout = 'com.android.support.constraint:constraint-layout:1.0.2'  }  repositories {    google()    jcenter()    mavenCentral()  }  dependencies {    classpath 'com.android.tools.build:gradle:3.0.1'    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"    classpath 'org.greenrobot:greendao-gradle-plugin:3.2.1'    // NOTE: Do not place your application dependencies here; they belong    // in the individual module build.gradle files    classpath 'org.aspectj:aspectjtools:1.8.13'    classpath 'org.aspectj:aspectjweaver:1.8.13'  }}allprojects {  repositories {    google()    jcenter()    mavenCentral()  }}task clean(type: Delete) {  delete rootProject.buildDir}

看着一大堆,主要就是下面这几行配置,其他的是我自己项目中用到的,根据自己需要配置就行。

buildscript {  repositories {    mavenCentral()  }  dependencies {    classpath 'org.aspectj:aspectjtools:1.8.13'    classpath 'org.aspectj:aspectjweaver:1.8.13'  }}repositories {  mavenCentral()}

其实这几行配置在app的build.gradle里也是可以的,但是因为项目下的build.gradle里已经有buildscript {}、allprojects {repositories{} },就配置在这里了。

然后有两种配置方式:

第一种

只有一个主Module app的情况下,配置app的build.gradle:

apply plugin: 'com.android.application'apply plugin: 'kotlin-android'apply plugin: 'kotlin-android-extensions'apply plugin: 'org.greenrobot.greendao'android {  compileSdkVersion rootProject.ext.compileSdkVersion  buildToolsVersion rootProject.ext.buildToolsVersion  defaultConfig {    applicationId "填入自己的applicationId"    minSdkVersion rootProject.ext.minSdkVersion    targetSdkVersion rootProject.ext.targetSdkVersion    versionCode 1    versionName "1.0"    //Lambda配置//    jackOptions.enabled = true//    android.compileOptions.sourceCompatibility 1.8    buildConfigField "boolean", "LOG", "true"// 显示Log    testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"    //支持矢量图    vectorDrawables.useSupportLibrary = true    ndk {      //选择要添加的对应cpu类型的.so库。      abiFilters 'armeabi', 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64', 'mips', 'mips64'    }  }  buildTypes {    release {      minifyEnabled false      buildConfigField "boolean", "LOG", "false"// 显示Log      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'    }  }  //Lambda配置  compileOptions {    sourceCompatibility JavaVersion.VERSION_1_8    targetCompatibility JavaVersion.VERSION_1_8  }  dataBinding {    enabled true  }  greendao {    schemaVersion 1//数据库版本号    daoPackage 'com.test.qby.newtestapplication.greendao'//设置DaoMaster、DaoSession、Dao包名    targetGenDir 'src/main/java'//设置DaoMaster、DaoSession、Dao目录    //targetGenDirTest:设置生成单元测试目录    //generateTests:设置自动生成单元测试用例  }  lintOptions {    abortOnError true  }}dependencies {  implementation fileTree(include: ['*.jar'], dir: 'libs')  implementation rootProject.ext.kotlinVersion  implementation rootProject.ext.appcompatV7  implementation rootProject.ext.constraintLayout  compile rootProject.ext.appcompatDesign  testImplementation 'junit:junit:4.12'  androidTestImplementation 'com.android.support.test:runner:1.0.1'  androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'  compile 'jp.wasabeef:glide-transformations:3.0.1'  // If you want to use the GPU Filters  compile 'jp.co.cyberagent.android.gpuimage:gpuimage-library:1.4.1'  //腾讯bugly  compile 'com.tencent.bugly:crashreport:latest.release'  compile 'com.tencent.bugly:nativecrashreport:latest.release'  //retrofit  compile 'com.squareup.retrofit2:retrofit:2.3.0'  compile 'com.squareup.retrofit2:converter-gson:2.3.0'  compile 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'  compile 'com.squareup.okhttp3:logging-interceptor:3.9.0'  //rxJava  compile 'io.reactivex.rxjava2:rxandroid:2.0.1'  // Because RxAndroid releases are few and far between, it is recommended you also  // explicitly depend on RxJava's latest version for bug fixes and new features.  compile 'io.reactivex.rxjava2:rxjava:2.1.8'  //greenDao  compile 'org.greenrobot:greendao:3.2.0'  //换肤功能  compile 'com.zhy:changeskin:4.0.2'  //AOP面向切面编程,加入这行就不用在libs下引入jar包了,不然要写成compile file(libs/aspectjrt.jar)  compile 'org.aspectj:aspectjrt:1.8.13'}/*//在项目下配置了,此处就不需要了buildscript {  repositories {    mavenCentral()  }  dependencies {    classpath 'org.aspectj:aspectjtools:1.8.13'    classpath 'org.aspectj:aspectjweaver:1.8.13'  }}repositories {  mavenCentral()}*/import org.aspectj.bridge.IMessageimport org.aspectj.bridge.MessageHandlerimport org.aspectj.tools.ajc.Mainfinal def log = project.loggerfinal def variants = project.android.applicationVariantsvariants.all { variant ->  if (!variant.buildType.isDebuggable()) {    log.debug("Skipping non-debuggable build type '${variant.buildType.name}'.")    return  }  JavaCompile javaCompile = variant.javaCompile  javaCompile.doLast {    String[] args = ["-showWeaveInfo",             "-1.5",             "-inpath", javaCompile.destinationDir.toString(),             "-aspectpath", javaCompile.classpath.asPath,             "-d", javaCompile.destinationDir.toString(),             "-classpath", javaCompile.classpath.asPath,             "-bootclasspath", project.android.bootClasspath.join(File.pathSeparator)]    log.debug "ajc args: " + Arrays.toString(args)    MessageHandler handler = new MessageHandler(true)    new Main().run(args, handler)    for (IMessage message : handler.getMessages(null, true)) {      switch (message.getKind()) {        case IMessage.ABORT:        case IMessage.ERROR:        case IMessage.FAIL:          log.error message.message, message.thrown          break        case IMessage.WARNING:          log.warn message.message, message.thrown          break        case IMessage.INFO:          log.info message.message, message.thrown          break        case IMessage.DEBUG:          log.debug message.message, message.thrown          break      }    }  }}

这一个gradle主要的东西就是这些:

//AOP面向切面编程,加入这行就不用在libs下引入jar包了,不然要写成compile file(libs/aspectjrt.jar)compile 'org.aspectj:aspectjrt:1.8.13'import org.aspectj.bridge.IMessageimport org.aspectj.bridge.MessageHandlerimport org.aspectj.tools.ajc.Mainfinal def log = project.loggerfinal def variants = project.android.applicationVariantsvariants.all { variant ->  if (!variant.buildType.isDebuggable()) {    log.debug("Skipping non-debuggable build type '${variant.buildType.name}'.")    return  }  JavaCompile javaCompile = variant.javaCompile  javaCompile.doLast {    String[] args = ["-showWeaveInfo",             "-1.5",             "-inpath", javaCompile.destinationDir.toString(),             "-aspectpath", javaCompile.classpath.asPath,             "-d", javaCompile.destinationDir.toString(),             "-classpath", javaCompile.classpath.asPath,             "-bootclasspath", project.android.bootClasspath.join(File.pathSeparator)]    log.debug "ajc args: " + Arrays.toString(args)    MessageHandler handler = new MessageHandler(true)    new Main().run(args, handler)    for (IMessage message : handler.getMessages(null, true)) {      switch (message.getKind()) {        case IMessage.ABORT:        case IMessage.ERROR:        case IMessage.FAIL:          log.error message.message, message.thrown          break        case IMessage.WARNING:          log.warn message.message, message.thrown          break        case IMessage.INFO:          log.info message.message, message.thrown          break        case IMessage.DEBUG:          log.debug message.message, message.thrown          break      }    }  }}

下面那一堆是用命令在编译最后做一些关联的,具体的我也不懂,只管加上好了。

第二种

有多个module都需要用到aspectj,特别是组件开发的情况下,不可能每个module都配置一下,所以就需要新建一个aspectj的module作为项目的library。

app下build.gradle需要修改:

//AOP面向切面编程,加入这行就不用在libs下引入jar包了,不然要写成compile file(libs/aspectjrt.jar)compile 'org.aspectj:aspectjrt:1.8.13'

去掉,改为

implementation project(':aspectjlib')

不过上面这句在你添加module依赖的时候会自动生成。

新建library的build.gradle配置如下:

apply plugin: 'com.android.library'android {  compileSdkVersion rootProject.ext.compileSdkVersion  buildToolsVersion rootProject.ext.buildToolsVersion  defaultConfig {    minSdkVersion rootProject.ext.minSdkVersion    targetSdkVersion rootProject.ext.targetSdkVersion    versionCode 1    versionName "1.0"    testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"  }  buildTypes {    release {      minifyEnabled false      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'    }  }}dependencies {  implementation fileTree(dir: 'libs', include: ['*.jar'])  implementation rootProject.ext.appcompatV7  testImplementation 'junit:junit:4.12'  androidTestImplementation 'com.android.support.test:runner:1.0.1'  androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'  //AOP  compile 'org.aspectj:aspectjrt:1.8.13'}import org.aspectj.bridge.IMessageimport org.aspectj.bridge.MessageHandlerimport org.aspectj.tools.ajc.Mainandroid.libraryVariants.all { variant ->  JavaCompile javaCompile = variant.javaCompile  javaCompile.doLast {    String[] args = ["-showWeaveInfo",             "-1.5",             "-inpath", javaCompile.destinationDir.toString(),             "-aspectpath", javaCompile.classpath.asPath,             "-d", javaCompile.destinationDir.toString(),             "-classpath", javaCompile.classpath.asPath,             "-bootclasspath", android.bootClasspath.join(        File.pathSeparator)]    MessageHandler handler = new MessageHandler(true)    new Main().run(args, handler)    def log = project.logger    for (IMessage message : handler.getMessages(null, true)) {      switch (message.getKind()) {        case IMessage.ABORT:        case IMessage.ERROR:        case IMessage.FAIL:          log.error message.message, message.thrown          break        case IMessage.WARNING:        case IMessage.INFO:          log.info message.message, message.thrown          break        case IMessage.DEBUG:          log.debug message.message, message.thrown          break      }    }  }}

注意:下面那一堆跟app的gradle中的稍微有点区别,一个是module,一个是library,gradle中的东西不一样。

两种配置方式基本就是这样了,使用方法我也是刚了解一点,记录一下简单的计算性能的用法吧

自定义注解类:

package com.test.qby.aspectjlib.annotation;import java.lang.annotation.ElementType;import java.lang.annotation.Retention;import java.lang.annotation.RetentionPolicy;import java.lang.annotation.Target;/** * Created by qby on 2018/1/26 0026. * 自定义注解 */@Target(ElementType.METHOD)@Retention(RetentionPolicy.RUNTIME)public @interface IFirstAnnotation {  String value();}

@Target 注解目标,表示注解使用在什么地方,这里是METHOD方法;@Retention 保留策略,表示注解调用时机,这里RUNTIME运行时

切面类

import android.widget.Toast;import com.test.qby.aspectjlib.annotation.IFirstAnnotation;import com.test.qby.newtestapplication.app.MyApplication;import org.aspectj.lang.ProceedingJoinPoint;import org.aspectj.lang.annotation.Around;import org.aspectj.lang.annotation.Aspect;import org.aspectj.lang.annotation.Pointcut;import org.aspectj.lang.reflect.MethodSignature;import java.lang.reflect.Method;import java.lang.reflect.TypeVariable;import java.util.Locale;/** * Created by qby on 2018/1/26 0026. * 自定义注解行为 */@Aspectpublic class MethodBehaviorAspect {  private static final String TAG = "aspect_aby";  @Pointcut("execution(@com.test.qby.aspectjlib.annotation.IFirstAnnotation * *(..))")  public void firstMethodAnnotationBehavior() {  }  @Pointcut("execution(* com.test.qby.newtestapplication.ui.MainActivity.aspectClick(android.view.View))")  public void secondMethodAnnotationBehavior() {  }  @Around("firstMethodAnnotationBehavior()")  public Object wavePointcutAround(ProceedingJoinPoint joinPoint) throws Throwable {    MethodSignature methodSignature = (MethodSignature) joinPoint.getSignature();    // 类名    String className = methodSignature.getDeclaringType().getSimpleName();    // 方法名    String methodName = methodSignature.getName();    // 功能名    IFirstAnnotation behaviorTrace = methodSignature.getMethod()        .getAnnotation(IFirstAnnotation.class);    String value = behaviorTrace.value();//    String value = "点击";    long start = System.currentTimeMillis();    Object result = joinPoint.proceed();    long duration = System.currentTimeMillis() - start;    Log.e(TAG, String.format("%s类中%s方法执行%s功能,耗时:%dms", className, methodName, value, duration));    Toast.makeText(MyApplication.getContext(), String.format(Locale.CHINESE, "%s类中%s方法执行%s功能,耗时:%dms", className, methodName, value, duration), Toast.LENGTH_SHORT).show();    return result;  }}

@Aspect指定切面类;@Pointcut切入点;@Around是切入方式Advice的一种,表示在切入点前后插入代码,还有@Before、@After;Pointcut语法,execution,表示根据Advice在执行方法内部代码前后插入代码,call,表示根据Advice在调用方法前后插入代码......

页面调用

@IFirstAnnotation("测试Aspect")public void aspectClick(View view) {   try {     Thread.sleep(new Random().nextInt(1000));   } catch (InterruptedException e) {     e.printStackTrace();   } }

@IFirstAnnotation调用注解,()内部为在IFirstAnnotation中写的value的值,去掉value()后此处去掉()

注意:在MethodBehaviorAspect 类中如果有用到Context,可直接使用joinPoint.getTarget()类型转换成Context,这里是由于项目使用了databinding,部分getTarget()获取到的值不能强转为Context,所以这里用的MyApplication获取的Context

这只是个人的初步尝试,里面当然还有很多内容需要去学,刚看了CSDN上有人写的几篇关于AOP的内容,都挺详细的,给出其中一个地址

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持VEVB武林网。


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