{"id":1829,"date":"2023-03-28T22:52:34","date_gmt":"2023-03-28T14:52:34","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1829"},"modified":"2023-04-22T09:19:11","modified_gmt":"2023-04-22T01:19:11","slug":"use-of-aspectj-in-android-aop-development","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/28\/use-of-aspectj-in-android-aop-development\/","title":{"rendered":"Android AOP\u5f00\u53d1\u4e4bAspectJ\u7684\u4f7f\u7528"},"content":{"rendered":"<h2>AOP\u4ecb\u7ecd<\/h2>\n<p>OOP(<code>Object Oriented Programming<\/code> \uff0c\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b)\uff0c\u628a\u529f\u80fd\u5c01\u88c5\u5728\u4e00\u4e2a\u7c7b\u4e2d\uff0c\u4f7f\u7528\u7684\u65f6\u5019\u521b\u5efa\u8be5\u7c7b\u7684\u5bf9\u8c61\uff0c\u8c03\u7528\u5bf9\u8c61\u7684\u65b9\u6cd5\u6216\u8005\u4f7f\u7528\u5176\u5c5e\u6027\u5373\u53ef\uff0cOOP\u5177\u6709\u53ef\u91cd\u7528\u6027\u3001\u7075\u6d3b\u6027\u548c\u6269\u5c55\u6027\u3002<\/p>\n<p><!-- more --><\/p>\n<p>\u5c3d\u7ba1OOP\u5177\u6709\u5f88\u591a\u597d\u5904\uff0c\u4f46\u662f\u5982\u679c\u5728\u8f6f\u4ef6\u5f00\u53d1\u9886\u57df\u53ea\u4f7f\u7528OOP\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4e5f\u4f1a\u4f7f\u7a0b\u5e8f\u53d8\u5f97\u590d\u6742\u4e14\u96be\u4ee5\u7ef4\u62a4\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u9700\u8981\u7edf\u8ba1\u7a0b\u5e8f\u4e2d\u70b9\u51fb\u4e8b\u4ef6\u7684\u6267\u884c\u60c5\u51b5\uff0c\u5982\u679c\u6211\u4eec\u8981\u81ea\u5df1\u627e\u904d\u4ee3\u7801\u4e2d\u7684\u70b9\u51fb\u4e8b\u4ef6\uff0c\u8fd9\u4e2a\u5de5\u7a0b\u91cf\u5c31\u592a\u5927\u4e86\uff0c\u800c\u4e14\u7ef4\u62a4\u8d77\u6765\u4e5f\u4e0d\u65b9\u4fbf\u3002\u8fd9\u4e2a\u65f6\u5019\uff0c\u4f7f\u7528AOP\u7684\u65b9\u5f0f\u5c31\u4f1a\u4f7f\u95ee\u9898\u53d8\u5f97\u7b80\u5355\u3002<\/p>\n<p>AOP(<code>Aspect Oriented Programming<\/code>\uff0c\u9762\u5411\u5207\u9762\u7f16\u7a0b)\uff0c\u628a\u67d0\u4e00\u7c7b\u95ee\u9898\u96c6\u4e2d\u5728\u4e00\u4e2a\u5730\u65b9\u8fdb\u884c\u5904\u7406\uff0c\u6bd4\u5982\u5904\u7406\u7a0b\u5e8f\u4e2d\u7684\u70b9\u51fb\u4e8b\u4ef6\u3001\u6253\u5370\u65e5\u5fd7\u7b49\u3002<\/p>\n<blockquote>\n<p>OOP\u548cAOP\u90fd\u662f\u65b9\u6cd5\u8bba\uff0c\u8868\u793a\u7684\u662f\u6211\u4eec\u4ece\u4ec0\u4e48\u89d2\u5ea6\u6765\u770b\u5f85\u95ee\u9898\u3002OOP\u7684\u7cbe\u9ad3\u662f\u628a\u529f\u80fd\u6216\u95ee\u9898\u6a21\u5757\u5316\uff0c\u6bcf\u4e2a\u6a21\u5757\u5904\u7406\u81ea\u5df1\u7684\u5bb6\u52a1\u4e8b\u3002\u4f46\u5728\u73b0\u5b9e\u4e16\u754c\u4e2d\uff0c\u5e76\u4e0d\u662f\u6240\u6709\u529f\u80fd\u90fd\u80fd\u5b8c\u7f8e\u5f97\u5212\u5206\u5230\u6a21\u5757\u4e2d\u3002AOP\u7684\u76ee\u6807\u662f\u628a\u8fd9\u4e9b\u529f\u80fd\u96c6\u4e2d\u8d77\u6765\uff0c\u653e\u5230\u4e00\u4e2a\u7edf\u4e00\u7684\u5730\u65b9\u6765\u63a7\u5236\u548c\u7ba1\u7406\u3002<\/p>\n<\/blockquote>\n<p>\u90a3\u4e48\u5728Android\u4e2d\u6709\u54ea\u4e9b\u4f7f\u7528\u5230\u4e86AOP\u8fd9\u79cd\u601d\u60f3\u5462\uff1f<\/p>\n<p>\u5728Application\u4e2d\u6709\u4e2a<code>ActivityLifecycleCallbacks<\/code>\u63a5\u53e3\uff0c\u8fd9\u4e2a\u63a5\u53e3\u63d0\u4f9b\u4e86Activity\u751f\u547d\u5468\u671f\u76f8\u5173\u7684\u65b9\u6cd5\u56de\u8c03\u3002\u5f53\u5f00\u53d1\u8005\u8c03\u7528\u4e86Application\u7684<code>public void registerActivityLifecycleCallbacks(ActivityLifecycleCallbacks callback)<\/code>\u65b9\u6cd5\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u5728<code>ActivityLifecycleCallbacks<\/code>\u7684\u5b9e\u73b0\u7c7b\u4e2d\u7edf\u4e00\u5904\u7406\u8fd9\u4e9b\u751f\u547d\u5468\u671f\u65b9\u6cd5\u3002\u8fd9\u5176\u5b9e\u5c31\u662fAOP\u601d\u60f3\u7684\u4e00\u79cd\u4f53\u73b0\u3002<\/p>\n<h2>AspectJ \u4ecb\u7ecd<\/h2>\n<p>AspectJ\u662f\u4e00\u4e2a\u9762\u5411\u5207\u9762\u7f16\u7a0b\u7684\u6846\u67b6\uff0c\u5b83\u6269\u5c55\u4e86Java\u8bed\u8a00\u3002AspectJ\u5b9a\u4e49\u4e86AOP\u8bed\u6cd5\uff0c\u5b83\u6709\u4e00\u4e2a\u4e13\u95e8\u7684\u7f16\u8bd1\u5668\u7528\u6765\u751f\u6210\u9075\u5b88Java\u5b57\u8282\u7f16\u7801\u89c4\u8303\u7684Class\u6587\u4ef6\u3002AspectJ\u8fd8\u652f\u6301\u539f\u751f\u7684Java\uff0c\u53ea\u9700\u8981\u52a0\u4e0aAspectJ\u63d0\u4f9b\u7684\u6ce8\u89e3\u5373\u53ef\u3002\u5728Android\u5f00\u53d1\u4e2d\uff0c\u4e00\u822c\u5c31\u7528\u5b83\u63d0\u4f9b\u7684\u6ce8\u89e3\u548c\u4e00\u4e9b\u7b80\u5355\u7684\u8bed\u6cd5\u5c31\u53ef\u4ee5\u5b9e\u73b0\u7edd\u5927\u90e8\u5206\u529f\u80fd\u4e0a\u7684\u9700\u6c42\u3002<\/p>\n<h3>Join Points<\/h3>\n<p><strong>Join Points\uff0c\u7b80\u79f0JPoints\uff0c\u662fAspectJ\u4e2d\u6700\u5173\u952e\u7684\u4e00\u4e2a\u6982\u5ff5\uff0c\u8868\u793a\u7684\u662f\u7a0b\u5e8f\u8fd0\u884c\u65f6\u7684\u4e00\u4e9b\u6267\u884c\u70b9<\/strong>\u3002\u7406\u8bba\u4e0a\u8bf4\uff0c\u4e00\u4e2a\u7a0b\u5e8f\u4e2d\u5f88\u591a\u5730\u65b9\u90fd\u53ef\u4ee5\u88ab\u770b\u505a\u662fJPoint\uff0c\u4f46\u662fAspectJ\u4e2d\uff0c\u53ea\u6709\u51e0\u79cd\u6267\u884c\u70b9\u88ab\u8ba4\u4e3a\u662fJPoints\uff0c\u5982\u6784\u9020\u65b9\u6cd5\u8c03\u7528\u3001\u65b9\u6cd5\u8c03\u7528\u3001\u65b9\u6cd5\u6267\u884c\u3001\u5f02\u5e38\u7b49\u7b49\u3002JPoints\u5b9e\u9645\u4e0a\u5c31\u662f\u8868\u793a\u60f3\u628aAspectJ\u7684\u4ee3\u7801\u63d2\u5165\u5230\u7a0b\u5e8f\u54ea\u4e2a\u5730\u65b9\uff0c\u662f\u63d2\u5165\u5728\u65b9\u6cd5\u4e2d\uff0c\u8fd8\u662f\u63d2\u5165\u5728\u65b9\u6cd5\u8c03\u7528\u524d\u540e\u3002\u9700\u8981\u8bf4\u660e\u7684\u662f\uff1a\u5728AspectJ\u4e2d\uff0c\u65b9\u6cd5\u8c03\u7528(call)\u548c\u65b9\u6cd5\u6267\u884c(execution)\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u8fd9\u4e2a\u540e\u9762\u518d\u505a\u4ecb\u7ecd\u3002<\/p>\n<h3>Pointcuts<\/h3>\n<p>\u4e00\u4e2a\u7a0b\u5e8f\u4f1a\u6709\u5f88\u591a\u7684JPoints\uff0c\u5373\u4f7f\u662f\u540c\u4e00\u4e2a\u51fd\u6570\uff0c\u8fd8\u5206\u4e3acall\u7c7b\u578b\u548cexecution\u7c7b\u578b\u7684JPoint\uff0c\u4f46\u662f\u5e76\u4e0d\u662f\u6240\u6709\u7684JPoint\u90fd\u662f\u6211\u4eec\u9700\u8981\u5173\u5fc3\u7684\u3002\u6bd4\u5982\u6211\u4eec\u53ef\u80fd\u53ea\u9700\u8981\u5173\u5fc3\u70b9\u51fb\u4e8b\u4ef6\u65b9\u6cd5\uff0c\u90a3\u4e48\u5982\u4f55\u4ece\u4f17\u591a\u7684JPoints\u4e2d\u9009\u62e9\u6211\u4eec\u611f\u5174\u8da3\u7684JPoint\u5462\uff1f\u8fd9\u4e2a\u65f6\u5019\u53ef\u4ee5\u7528Pointcut\uff1a<\/p>\n<pre><code class=\"language-java\">@Around(&quot;execution(* android.view.View.OnClickListener.onClick(..))&quot;)\npublic void onClickMethodAround(ProceedingJoinPoint joinPoint)  {}<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u7684\u610f\u601d\u5c31\u662f\u5728<code>OnClickListener.onClick()<\/code>\u65b9\u6cd5\u6267\u884c\u524d\u540e\u6267\u884c\u4ee3\u7801\u5757\u4e2d\u7684\u903b\u8f91\u3002<\/p>\n<p>\u6240\u4ee5\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u5355\u7684\u7406\u89e3Pointcut\u7684\u4f5c\u7528\u5c31\u662f\u8fc7\u6ee4JPoint\u3002<\/p>\n<h3>Advice<\/h3>\n<p>Advice\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u8868\u793aAspectJ\u7684hook\u70b9\uff0c\u5728AspectJ\u4e2d\u5e38\u7528\u7684\u662f<code>before<\/code>\u3001<code>after<\/code>\u3001<code>around<\/code>\u7b49\u3002<code>before<\/code>\u8868\u793a\u5728JPoint\u6267\u884c\u4e4b\u524d\uff0c\u9700\u8981\u5e72\u7684\u4e8b\u60c5\u3002<code>after<\/code>\u8868\u793a\u7684\u662f\u5728JPoint\u6267\u884c\u4e4b\u540e\uff0c<code>around<\/code>\u8868\u793a\u7684\u662f\u5728JPoint\u6267\u884c\u524d\u540e\u3002<\/p>\n<h3>Aspect<\/h3>\n<p>\u524d\u9762\u6211\u4eec\u8bb2\u4e86AspectJ\u4e2d\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u9700\u8981\u7528\u5230\u4e86\u4e00\u4e2a\u6982\u5ff5\uff0c\u5bf9\u4e8e\u95ee\u9898\u7684\u5904\u7406\u9700\u8981\u7edf\u4e00\u653e\u5230\u4e00\u4e2a\u5730\u65b9\u53bb\u5904\u7406\uff0c\u8fd9\u4e2a\u5730\u65b9\u5c31\u662fAspect\uff0c\u610f\u4e3a\u201c\u5207\u9762\u201d\u3002\u5728Java\u5f00\u53d1\u4e2d\u4e3b\u8981\u662f\u4f7f\u7528<code>@Aspect<\/code>\u6ce8\u89e3\u6765\u8868\u793a\u4e00\u4e2a\u5207\u9762\u3002<\/p>\n<h2>Android \u4e2d\u4f7f\u7528Gradle\u96c6\u6210 AspectJ<\/h2>\n<p>\u5728Android\u4e2d\u96c6\u6210AspectJ\uff0c\u4e3b\u8981\u601d\u60f3\u5c31\u662fhook Apk\u6253\u5305\u8fc7\u7a0b\uff0c\u4f7f\u7528AspectJ\u63d0\u4f9b\u7684\u5de5\u5177\u6765\u7f16\u8bd1<code>.class<\/code>\u6587\u4ef6\u3002\u8fd9\u4e00\u70b9\uff0cJakeWharton \u5728\u5176\u9879\u76ee <a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/github.com\/JakeWharton\/hug\" title=\"JakeWharton\/hugo\">JakeWharton\/hugo<\/a> \u4e2d\u6f14\u793a\u4e86\u5982\u4f55\u5728Gradle\u4e2d\u6dfb\u52a0AspectJ\uff0c\u8fd9\u4e3a\u540e\u6765\u7684\u4eba\u6307\u4e86\u4e00\u6761\u5149\u660e\u7684\u9053\u8def\u3002<\/p>\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u81ea\u5df1\u624b\u52a8\u63a5\u5165AspectJ\u7684\u8bdd\uff0c\u6309\u7167\u4e0b\u9762\u7684\u6307\u793a\u5373\u53ef\u3002<\/p>\n<p>\u5728\u9879\u76ee\u6839\u76ee\u5f55<code>build.gradle<\/code>\u4e0b\u5f15\u5165<code>aspectjtools<\/code>\u63d2\u4ef6\uff1a<\/p>\n<pre><code class=\"language-java\">buildscript {\n    dependencies {\n        ..\n        classpath &#039;org.aspectj:aspectjtools:1.8.10&#039;\n        classpath &#039;org.aspectj:aspectjweaver:1.8.8&#039;\n        \/\/ NOTE: Do not place your application dependencies here; they belong\n        \/\/ in the individual module build.gradle files\n    }\n}<\/code><\/pre>\n<p>\u5728\u8fd0\u884capp\u7684module\u76ee\u5f55\u4e0b\u7684<code>build.gradle<\/code>\u4e2d\u5f15\u5165\uff1a<\/p>\n<pre><code class=\"language-java\">import org.aspectj.bridge.IMessage\nimport org.aspectj.bridge.MessageHandler\nimport org.aspectj.tools.ajc.Main\n\nfinal def log = project.logger\nfinal def variants = project.android.applicationVariants\n\nvariants.all { variant -&gt;\n    if (!variant.buildType.isDebuggable()) {\n        log.debug(&quot;Skipping non-debuggable build type &#039;${variant.buildType.name}&#039;.&quot;)\n        return;\n    }\n\n    JavaCompile javaCompile = variant.javaCompile\n    javaCompile.doLast {\n        String[] args = [&quot;-showWeaveInfo&quot;,\n                         &quot;-1.8&quot;,\n                         &quot;-inpath&quot;, javaCompile.destinationDir.toString(),\n                         &quot;-aspectpath&quot;, javaCompile.classpath.asPath,\n                         &quot;-d&quot;, javaCompile.destinationDir.toString(),\n                         &quot;-classpath&quot;, javaCompile.classpath.asPath,\n                         &quot;-bootclasspath&quot;, project.android.bootClasspath.join(File.pathSeparator)]\n        log.debug &quot;ajc args: &quot; + Arrays.toString(args)\n\n        MessageHandler handler = new MessageHandler(true);\n        new Main().run(args, handler);\n        for (IMessage message : handler.getMessages(null, true)) {\n            switch (message.getKind()) {\n                case IMessage.ABORT:\n                case IMessage.ERROR:\n                case IMessage.FAIL:\n                    log.error message.message, message.thrown\n                    break;\n                case IMessage.WARNING:\n                    log.warn message.message, message.thrown\n                    break;\n                case IMessage.INFO:\n                    log.info message.message, message.thrown\n                    break;\n                case IMessage.DEBUG:\n                    log.debug message.message, message.thrown\n                    break;\n            }\n        }\n    }\n}<\/code><\/pre>\n<p>AspectJ\u5728\u8fd0\u884c\u65f6\u4e5f\u9700\u8981\u76f8\u5173\u7684Library\u652f\u6301\uff0c\u6240\u4ee5\u8fd8\u9700\u8981\u5728\u9879\u76ee\u7684dependencies\u4e2d\u6dfb\u52a0\u4f9d\u8d56\uff1a<\/p>\n<pre><code class=\"language-java\">dependencies {\n    ...\n    compile &#039;org.aspectj:aspectjrt:1.8.10&#039;\n}<\/code><\/pre>\n<p>\u76ee\u524d\u8fd8\u6709\u4e00\u4e9b\u5728Android\u4e2d\u96c6\u6210AspectJ\u7684\u6bd4\u8f83\u706b\u7684\u6846\u67b6\uff0c\u5982 <a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/github.com\/HujiangTechnology\/gradle_plugin_android_aspectjx\" title=\"HujiangTechnology\/gradle_plugin_android_aspectjx\">HujiangTechnology\/gradle_plugin_android_aspectjx<\/a><\/p>\n<h2>AspectJ \u547d\u4ee4\u5e38\u7528\u53c2\u6570\u4ecb\u7ecd<\/h2>\n<ul>\n<li><code>-inpath<\/code>: <code>.class<\/code>\u6587\u4ef6\u8def\u5f84\uff0c\u53ef\u4ee5\u662f\u5728jar\u6587\u4ef6\u4e2d\u4e5f\u53ef\u4ee5\u662f\u5728\u6587\u4ef6\u76ee\u5f55\u4e2d\uff0c\u8def\u5f84\u5e94\u8be5\u5305\u542b\u90a3\u4e9bAspectJ\u76f8\u5173\u7684\u6587\u4ef6\uff0c\u53ea\u6709\u8fd9\u4e9b\u6587\u4ef6\u624d\u4f1a\u88abAspectJ\u5904\u7406\u3002\u8f93\u51fa\u6587\u4ef6\u4f1a\u5305\u542b\u8fd9\u4e9b<code>.class<\/code> \u3002\u8be5\u8def\u5f84\u5c31\u662f\u4e00\u4e2a\u5355\u4e00\u53c2\u6570\uff0c\u591a\u4e2a\u8def\u5f84\u7684\u8bdd\u7528\u5206\u9694\u7b26\u9694\u5f00\u3002<\/li>\n<li><code>-classpath<\/code>: \u6307\u5b9a\u53bb\u54ea\u627e\u7528\u6237\u4f7f\u7528\u5230\u7684<code>.class<\/code>\u6587\u4ef6\uff0c\u8def\u5f84\u53ef\u4ee5\u662fzip\u6587\u4ef6\u4e5f\u53ef\u4ee5\u662f\u6587\u4ef6\u76ee\u5f55\uff0c\u8be5\u8def\u5f84\u5c31\u662f\u4e00\u4e2a\u5355\u4e00\u53c2\u6570\uff0c\u591a\u4e2a\u8def\u5f84\u7684\u8bdd\u7528\u5206\u9694\u7b26\u9694\u5f00\u3002<\/li>\n<li><code>-aspectPath<\/code>: \u9700\u8981\u88ab\u5904\u7406\u7684\u5207\u9762\u8def\u5f84\uff0c\u5b58\u5728\u4e8ejar\u6587\u4ef6\u6216\u8005\u6587\u4ef6\u76ee\u5f55\u4e2d\u3002\u5728Andorid\u4e2d\u4f7f\u7528\u7684\u8bdd\u4e00\u822c\u6307\u7684\u662f\u88ab<code>@Aspect<\/code>\u6ce8\u89e3\u6807\u793a\u7684class\u6587\u4ef6\u8def\u5f84\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\u7f16\u8bd1\u7248\u672c\u9700\u8981\u4e0eJava\u7f16\u8bd1\u7248\u672c\u4e00\u81f4\u3002<code>classpath<\/code>\u6307\u5b9a\u7684\u8def\u5f84\u5e94\u8be5\u5305\u542b\u6240\u6709\u7684<code>aspectPath<\/code>\u6307\u5b9a\u7684<code>.class<\/code>\u6587\u4ef6\u3002\u4e0d\u8fc7\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c<code>inPath<\/code>\u548c<code>aspectPath<\/code>\u4e2d\u7684\u8def\u5f84\u4e0d\u4e00\u5b9a\u975e\u8981\u653e\u7f6e\u5728<code>classPath<\/code>\u4e2d\uff0c\u56e0\u4e3a\u7f16\u8bd1\u5668\u4f1a\u81ea\u52a8\u5904\u7406\u628a\u5b83\u4eec\u52a0\u5165\u3002\u8def\u5f84\u683c\u5f0f\u4e0e<code>classpath<\/code>\u548c<code>inpath<\/code>\u4e00\u6837\uff0c\u90fd\u9700\u8981\u7528\u5206\u9694\u7b26\u9694\u5f00\u3002<\/li>\n<li><code>-bootClasspath<\/code>: \u91cd\u8f7d\u8ddfVM\u76f8\u5173\u7684<code>bootClasspath<\/code>\uff0c\u4f8b\u5982\u5728Android\u4e2d\u4f7f\u7528android-27\u7684\u6e90\u7801\u8fdb\u884c\u7f16\u8bd1\u3002\u8def\u5f84\u683c\u5f0f\u4e0e\u4e4b\u524d\u4e00\u6837\u3002<\/li>\n<li><code>-d<\/code>: \u6307\u5b9a\u7531AspectJ\u5904\u7406\u540e\u7684<code>.class<\/code>\u6587\u4ef6\u5b58\u653e\u76ee\u5f55\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u7684\u8bdd\u4f1a\u653e\u7f6e\u5728\u5f53\u524d\u7684\u5de5\u4f5c\u76ee\u5f55\u4e2d\u3002<\/li>\n<li><code>-outjar<\/code>: \u6307\u5b9a\u88abAspectJ\u5904\u7406\u540e\u7684jar\u5305\u5b58\u653e\u7684\u6587\u4ef6\u76ee\u5f55\uff0c<\/li>\n<\/ul>\n<p>\u66f4\u591a\u8be6\u60c5\u8bf7\u67e5\u770b\u5b98\u7f51 <a target=\"_blank\" rel=\"noopener\" href=\"http:\/\/www.eclipse.org\/aspectj\/doc\/released\/devguide\/ajc-ref.html\">http:\/\/www.eclipse.org\/aspectj\/doc\/released\/devguide\/ajc-ref.html<\/a><\/p>\n<h2>\u5904\u7406\u70b9\u51fb\u4e8b\u4ef6\u6848\u4f8b<\/h2>\n<p>\u4f8b\u5982\uff0c\u6211\u4eec\u9700\u8981\u5904\u7406\u9879\u76ee\u4e2d\u7684\u6240\u6709\u63a7\u4ef6\u7684\u70b9\u51fb\u4e8b\u4ef6\uff0c\u6253\u5370\u63a7\u4ef6\u7684\u540d\u79f0\uff0c\u53ef\u4ee5\u4f7f\u7528AspectJ\u6765\u7b80\u5355\u65b9\u4fbf\u7684\u5904\u7406\u3002\u5728\u4e4b\u524d\u5df2\u7ecf\u5728Gradle\u4e2d\u5f15\u5165\u7684AspectJ\u7684\u57fa\u7840\u4e0a\uff0c\u6211\u4eec\u65b0\u5efa\u4e00\u4e2aJava\u6587\u4ef6\uff0c\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-java\">@Aspect\npublic class ClickAspect {\n    private static final String TAG = &quot;ClickAspect&quot;;\n\n    \/\/ \u7b2c\u4e00\u4e2a*\u6240\u5728\u7684\u4f4d\u7f6e\u8868\u793a\u7684\u662f\u8fd4\u56de\u503c\uff0c*\u8868\u793a\u7684\u662f\u4efb\u610f\u7684\u8fd4\u56de\u503c\uff0c\n    \/\/ onClick()\u4e2d\u7684 .. \u6240\u5728\u4f4d\u7f6e\u662f\u65b9\u6cd5\u53c2\u6570\u7684\u4f4d\u7f6e\uff0c.. \u8868\u793a\u7684\u662f\u4efb\u610f\u7c7b\u578b\u3001\u4efb\u610f\u4e2a\u6570\u7684\u53c2\u6570\n    \/\/ * \u8868\u793a\u7684\u662f\u901a\u914d\n    @Pointcut(&quot;execution(* android.view.View.OnClickListener.onClick(..))&quot;)\n    public void clickMethod() {}\n\n    @Around(&quot;clickMethod()&quot;)\n    public void onClickMethodAround(ProceedingJoinPoint joinPoint) throws Throwable {\n        Object[] args = joinPoint.getArgs();\n        View view = null;\n        for (Object arg : args) {\n            if (arg instanceof View) {\n                view = (View) arg;\n            }\n        }\n        \/\/\u83b7\u53d6View \u7684 string id\n        String resEntryName = null;\n        String resName = null;\n        if (view != null) {\n            \/\/ resEntryName: btn_activity  resName: cn.appblog.aop_tech:id\/btn_activity\n            resEntryName = view.getContext().getResources().getResourceEntryName(view.getId());\n            resName = view.getContext().getResources().getResourceName(view.getId());\n        }\n        joinPoint.proceed();\n        Log.d(TAG, &quot;after onclick: &quot; + &quot;resEntryName: &quot; + resEntryName + &quot;  resName: &quot; + resName);\n    }\n}<\/code><\/pre>\n<p>\u8fd0\u884c\u9879\u76ee\uff0c\u70b9\u51fb\u4e00\u4e2a\u63a7\u4ef6\uff08\u8bbe\u7f6e\u4e86\u70b9\u51fb\u4e8b\u4ef6\uff09\u4e4b\u540e\uff0c\u53ef\u4ee5\u770b\u5230\u65e5\u5fd7\u8f93\u51fa\uff1a<\/p>\n<pre><code>.\/cn.appblog.aop_tech D\/ClickAspect: after onclick: resEntryName: btn_activity resName: cn.appblog.aop_tech:id\/btn_activity<\/code><\/pre>\n<h2>\u5207\u5165\u70b9\u7684\u8bed\u6cd5<\/h2>\n<p>\u4ee5\u4e0a\u9762\u7684\u4f8b\u5b50\u6765\u8bb2\u89e3\uff1a<\/p>\n<ul>\n<li>\n<p><code>@Around<\/code>\uff1a\u662fadvice\uff0c\u4e5f\u5c31\u662f\u5177\u4f53\u7684\u63d2\u5165\u70b9\u3002<code>@Around<\/code>\u8be5\u65b9\u6cd5\u7684\u903b\u8f91\u4f1a\u5305\u542b\u5207\u5165\u70b9\u524d\u540e\uff0c\u5982\u679c\u7528\u5230\u8be5\u6ce8\u89e3\uff0c\u8bb0\u5f97\u81ea\u5df1\u9700\u8981\u63a7\u5236\u5207\u5165\u70b9\u7684\u6267\u884c\u903b\u8f91\uff0c\u8c03\u7528<code>joinPoint.proceed()<\/code>\u3002\u5982\u679c\u4f7f\u7528<code>@Before<\/code>\u6ce8\u89e3\uff0c\u8868\u793a\u7684\u662f\u5728\u5207\u5165\u70b9\u4e4b\u524d\u6267\u884c\uff0c<code>@After<\/code>\u8868\u793a\u5728\u5207\u5165\u70b9\u4e4b\u540e\u6267\u884c\uff0c\u6b64\u65f6\u4e0d\u9700\u8981\u8c03\u7528<code>joinPoint.proceed()<\/code>\u3002<\/p>\n<\/li>\n<li>\n<p><code>execution<\/code>\uff1a\u5904\u7406JPoint\u7684\u7c7b\u578b\uff0c\u4f8b\u5982<code>call<\/code>\u3001<code>execution<\/code>\u3002\u5bf9\u4e8e<code>execution(* android.view.View.OnClickListener.onClick(..))<\/code>\uff0c\u7b2c\u4e00\u4e2a<code>*<\/code>\u6240\u5904\u7684\u4f4d\u7f6e\u8868\u793a\u7684\u662f\u8fd4\u56de\u503c\uff0c<code>*<\/code>\u662f\u901a\u914d\u7b26\uff0c\u8868\u793a\u7684\u662f\u4efb\u610f\u7c7b\u578b\u3002<code>android.view.View.OnClickListener.onClick(..)<\/code>\u8868\u793a\u7684\u6267\u884cOnClickListener\u7684<code>onClick()<\/code>\u65b9\u6cd5\u3002<code>onClick(..)<\/code>\u4e2d\u7684<code>..<\/code>\u8868\u793a\u4efb\u610f\u7c7b\u578b\u3001\u4efb\u610f\u4e2a\u6570\u7684\u53c2\u6570\u3002<\/p>\n<\/li>\n<li>\n<p><code>onClickMethodAround<\/code>\uff1a\u8868\u793a\u7684\u5b9e\u9645\u5207\u5165\u4ee3\u7801\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u540d\u53ef\u4ee5\u81ea\u5df1\u968f\u610f\u5b9a\u4e49\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\u5b9e\u9645\u4e0a\u6211\u662f\u81ea\u5b9a\u4e49\u4e86\u4e00\u4e2aPointCut\uff0c\u540d\u5b57\u662f<code>clickMethod()<\/code>\u3002\u8fd9\u4e2a\u540d\u79f0\u968f\u610f\uff0c\u53ea\u8981\u5728advice\u4e2d\u6307\u5b9a\u597d\u8be5\u540d\u79f0\u5373\u53ef\u3002<\/p>\n<pre><code class=\"language-java\">@Pointcut(&quot;execution(* android.view.View.OnClickListener.onClick(..))&quot;)\npublic void clickMethod() {}<\/code><\/pre>\n<p>\u5982\u679c\u4e0d\u60f3\u81ea\u5b9a\u4e49\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd9\u6837\uff1a<\/p>\n<pre><code class=\"language-java\">@Around(&quot;execution(* android.view.View.OnClickListener.onClick(..))&quot;)\npublic void onClickMethodAround(ProceedingJoinPoint joinPoint) throws Throwable {\n   ...\n}<\/code><\/pre>\n<h2>call\u548cexecution<\/h2>\n<p>\u6211\u4eec\u4e4b\u524d\u8bb2\u7684\u5207\u5165\u70b9\u8bed\u6cd5\u90fd\u662f<code>execution<\/code>\uff0c\u90a3\u4e48\u5982\u679c\u4f7f\u7528<code>call<\/code>\u6709\u4ec0\u4e48\u533a\u522b\u5462\uff1f<\/p>\n<p>\u6211\u4eec\u518d\u4f7f\u7528\u4e00\u4e2a\u4f8b\u5b50\uff0c\u521b\u5efa\u4e00\u4e2a\u5207\u9762\u7528\u6765\u6253\u5370\u65b9\u6cd5\u7684\u6267\u884c\u65f6\u95f4\uff0c\u5e76\u4e14\u53ea\u5904\u7406\u5e26\u6709\u6ce8\u89e3\u7684\u53c2\u6570\u3002<\/p>\n<p>TimeSpend\u6ce8\u518c\u5982\u4e0b\uff0cvalue\u8868\u793a\u7684\u662f\u65b9\u6cd5\u7684\u529f\u80fd<\/p>\n<pre><code class=\"language-java\">@Retention(RetentionPolicy.RUNTIME)\n@Target(ElementType.METHOD)\npublic @interface TimeSpend {\n    String value() default &quot;&quot;;\n}<\/code><\/pre>\n<p>\u4f7f\u7528<code>execution<\/code>\u6253\u5370\u65b9\u6cd5\u6267\u884c\u65f6\u95f4\u7684\u5207\u9762\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-java\">@Aspect\npublic class MethodSpendTimeAspect {\n    private static final String TAG = &quot;MethodSpendTimeAspect&quot;;\n\n    @Pointcut(&quot;execution(@cn.appblog.aop_tech.aspect.TimeSpend * *(..))&quot;)\n    public void methodTime() {}\n\n    @Around(&quot;methodTime()&quot;)\n    public Object weaveJoinPoint(ProceedingJoinPoint joinPoint) throws Throwable {\n        MethodSignature methodSignature = (MethodSignature) joinPoint.getSignature();\n        String className = methodSignature.getDeclaringType().getSimpleName();\n        String methodName = methodSignature.getName();\n        String funName = methodSignature.getMethod().getAnnotation(TimeSpend.class).value();\n        \/\/\u7edf\u8ba1\u65f6\u95f4\n        long begin = System.currentTimeMillis();\n        Object result = joinPoint.proceed();\n        long duration = System.currentTimeMillis() - begin;\n        Log.e(TAG, String.format(&quot;\u529f\u80fd\uff1a%s,%s\u7c7b\u7684%s\u65b9\u6cd5\u6267\u884c\uff0c\u7528\u65f6%d ms&quot;, funName, className, methodName, duration));\n        return result;\n    }\n}<\/code><\/pre>\n<p>\u539f\u59cbJava\u6587\u4ef6\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-java\">public class LoginActivity extends AppCompatActivity {\n    ...\n    @TimeSpend(&quot;\u767b\u5f55&quot;)\n    private void attemptLogin() {\n        StatusHolder.sHasLogin = true;\n        Toast.makeText(this, &quot;\u767b\u5f55\u6210\u529f&quot;, Toast.LENGTH_SHORT).show();\n        finish();\n    }\n}<\/code><\/pre>\n<p>\u7f16\u8bd1\u4e4b\u540e\u7684<code>.class<\/code>\u6587\u4ef6\uff1a<\/p>\n<pre><code class=\"language-java\">public class LoginActivity extends AppCompatActivity {\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        mEmailSignInButton.setOnClickListener(new OnClickListener() {\n            public void onClick(View view) {\n                LoginActivity.this.attemptLogin();\n            }\n        });\n    }\n\n    @TimeSpend(&quot;\u767b\u5f55&quot;)\n    private void attemptLogin() {\n        JoinPoint var1 = Factory.makeJP(ajc$tjp_0, this, this);\n        attemptLogin_aroundBody1$advice(this, var1, MethodSpendTimeAspect.aspectOf(), (ProceedingJoinPoint)var1);\n    }\n\n    static {\n        ajc$preClinit();\n    }\n}<\/code><\/pre>\n<p>\u5982\u679c\u628a<code>execution<\/code>\u8be5\u4e3a<code>call<\/code>\uff0c\u5728\u770b\u4e00\u4e0b\u7f16\u8bd1\u540e\u7684<code>.class<\/code>\u6587\u4ef6\uff1a<\/p>\n<pre><code class=\"language-java\">public class LoginActivity extends AppCompatActivity {\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        mEmailSignInButton.setOnClickListener(new View.OnClickListener() {\n            public void onClick(View view) {\n                LoginActivity.access$000(com.sososeen09.aop_tech.LoginActivity.this);\n            }\n        });\n    }\n\n    @TimeSpend(&quot;\u767b\u5f55&quot;)\n    private void attemptLogin() {\n        StatusHolder.sHasLogin = true;\n        Toast.makeText(this, &quot;\u767b\u5f55\u6210\u529f&quot;, 0).show();\n        this.finish();\n    }\n\n    static {\n        ajc$preClinit();\n    }\n\n    static void access$000(LoginActivity x0) {\n        JoinPoint makeJP = Factory.makeJP(ajc$tjp_0, null, x0);\n        attemptLogin_aroundBody1$advice(x0, makeJP, MethodSpendTimeAspect.aspectOf(), (ProceedingJoinPoint) makeJP);\n    }\n}<\/code><\/pre>\n<p>\u770b\u5230\u533a\u522b\u4e86\u5427\uff0c<code>execution<\/code>\u8868\u793aJPoint\u662f\u6267\u884c\u65b9\u6cd5\u7684\u5730\u65b9\uff0cAspectJ\u4f1a\u5bf9\u88ab\u6267\u884c\u65b9\u6cd5\u505a\u5904\u7406\u3002\u800c<code>call<\/code>\u8868\u793aJPoint\u662f\u8c03\u7528\u65b9\u6cd5\u7684\u5730\u65b9\uff0cAspectJ\u4f1a\u5bf9\u8c03\u7528\u5904\u505a\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AOP\u4ecb\u7ecd OOP(Object Oriented Programming \uff0c\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b)\uff0c\u628a\u529f\u80fd\u5c01\u88c5\u5728\u4e00\u4e2a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[311],"tags":[100,462],"class_list":["post-1829","post","type-post","status-publish","format-standard","hentry","category-android-advance","tag-aop","tag-aspectj"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1829"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1829\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}