
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","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 '${variant.buildType.name}'.") return } JavaCompile javaCompile = variant.javaCompile javaCompile.dolast { String[] args = ["-showweaveInfo","-1.5","-inpath",javaCompile.destinationDir.toString(),"-aspectpath",javaCompile.classpath.asPath,"-d","-classpath","-bootclasspath",project.androID.bootclasspath.join(file.pathSeparator)] log.deBUG "ajc args: " + Arrays.toString(args) MessageHandler handler = new MessageHandler(true) new Main().run(args,handler) for (IMessage message : handler.getMessages(null,true)) { switch (message.getKind()) { case IMessage.ABORT: case IMessage.ERROR: case IMessage.FAIL: log.error message.message,message.thrown break case IMessage.WARNING: log.warn message.message,message.thrown break case IMessage.INFO: log.info message.message,message.thrown break case IMessage.DEBUG: log.deBUG message.message,message.thrown break } } }}这一个gradle主要的东西就是这些:
//AOP面向切面编程,加入这行就不用在libs下引入jar包了,不然要写成compile file(libs/aspectjrt.jar)compile 'org.aspectj:aspectjrt:1.8.13'import org.aspectj.brIDge.IMessageimport org.aspectj.brIDge.MessageHandlerimport org.aspectj.tools.ajc.Mainfinal def log = project.loggerfinal def variants = project.androID.applicationVariantsvariants.all { variant -> if (!variant.buildType.isDeBUGgable()) { log.deBUG("SkipPing non-deBUGgable build type '${variant.buildType.name}'.") return } JavaCompile javaCompile = variant.javaCompile javaCompile.dolast { String[] args = ["-showweaveInfo",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:
将
//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",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,message.thrown break case IMessage.WARNING: case IMessage.INFO: log.info 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,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,自己看吧:http://www.jb51.net/article/110560.htm
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编程小技巧。
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