{"id":425,"date":"2022-11-28T18:31:02","date_gmt":"2022-11-28T10:31:02","guid":{"rendered":"https:\/\/iichen.cn\/?p=425"},"modified":"2022-11-28T18:31:02","modified_gmt":"2022-11-28T10:31:02","slug":"android-activity%e5%90%af%e5%8a%a8%e6%b5%81%e7%a8%8b%e7%ae%80%e6%9e%90","status":"publish","type":"post","link":"https:\/\/iichen.cn\/?p=425","title":{"rendered":"Android-Activity\u542f\u52a8\u6d41\u7a0b\u7b80\u6790"},"content":{"rendered":"<h5>1. \u666e\u901aActivity\u521b\u5efa<\/h5>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png'><img class=\"lazyload lazyload-style-11\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/a><br \/>\n&#8211; activity\u5411Instrumentation\u8bf7\u6c42\u521b\u5efa<\/p>\n<ul>\n<li>Instrumentation\u901a\u8fc7AMS\u5728\u672c\u5730\u8fdb\u7a0b\u7684IBinder\u63a5\u53e3\uff0c\u8bbf\u95eeAMS\uff0c\u8fd9\u91cc\u91c7\u7528\u7684\u8de8\u8fdb\u7a0b\u6280\u672f\u662fAIDL\u3002<\/p>\n<\/li>\n<li>\n<p>\u7136\u540eAMS\u8fdb\u7a0b\u4e00\u7cfb\u5217\u7684\u5de5\u4f5c\uff0c\u5982\u5224\u65ad\u8be5activity\u662f\u5426\u5b58\u5728\uff0c\u542f\u52a8\u6a21\u5f0f\u662f\u4ec0\u4e48\uff0c\u6709\u6ca1\u6709\u8fdb\u884c\u6ce8\u518c\u7b49\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p>\u901a\u8fc7ClientLifeCycleManager\uff0c\u5229\u7528\u672c\u5730\u8fdb\u7a0b\u5728\u7cfb\u7edf\u670d\u52a1\u8fdb\u7a0b\u7684IBinder\u63a5\u53e3\u76f4\u63a5\u8bbf\u95ee\u672c\u5730ActivityThread\u3002<\/p>\n<\/li>\n<li>\n<p>ApplicationThread\u662fActivityThread\u7684\u5185\u90e8\u7c7b\uff0cIApplicationThread\u662f\u5728\u8fdc\u7a0b\u670d\u52a1\u7aef\u7684Binder\u63a5\u53e3<\/p>\n<\/li>\n<li>\n<p>ApplicationThread\u63a5\u6536\u5230\u670d\u52a1\u7aef\u7684\u4e8b\u52a1\u540e\uff0c\u628a\u4e8b\u52a1\u76f4\u63a5\u8f6c\u4ea4\u7ed9ActivityThread\u5904\u7406\u3002<\/p>\n<\/li>\n<li>\n<p>ActivityThread\u901a\u8fc7Instrumentation\u5229\u7528\u7c7b\u52a0\u8f7d\u5668\u8fdb\u884c\u521b\u5efa\u5b9e\u4f8b\uff0c\u540c\u65f6\u5229\u7528Instrumentation\u56de\u8c03activity\u7684\u751f\u547d\u4e2d\u5468\u671fInstrumentation\u662factivity\u4e0e\u5916\u754c\u8054\u7cfb\u7684\u7c7b\uff08\u4e0d\u662factivity\u672c\u8eab\u7684\u7edf\u79f0\u5916\u754c\uff0c\u76f8\u5bf9activity\u800c\u8a00\uff09\uff0cactivity\u901a\u8fc7Instrumentation\u6765\u8bf7\u6c42\u521b\u5efa\uff0cActivityThread\u901a\u8fc7Instrumentation\u6765\u521b\u5efaactivity\u548c\u8c03\u7528activity\u7684\u751f\u547d\u5468\u671f\u3002<\/p>\n<\/li>\n<li>\n<p>ActivityThread\uff0c\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u552f\u4e00\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u8d1f\u8d23\u5bf9Activity\u521b\u5efa\u7684\u7ba1\u7406\uff0c\u800cApplicationThread\u53ea\u662f\u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1\u7aef\u8fdb<\/p>\n<\/li>\n<\/ul>\n<h5>2. \u6839Activity\u521b\u5efa<\/h5>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYGZVJ.png\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/s1.ax1x.com\/2020\/08\/02\/aYGZVJ.png'><img class=\"lazyload lazyload-style-11\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYGZVJ.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/a><\/p>\n<ul>\n<li>Launcher\u8fdb\u7a0b\u8bf7\u6c42AMS\u521b\u5efaactivity<\/li>\n<li>AMS\u8bf7\u6c42Zygote\u521b\u5efa\u8fdb\u7a0b\u3002<\/li>\n<li>Zygote\u901a\u8fc7fork\u81ea\u5df1\u6765\u521b\u5efa\u8fdb\u7a0b\u3002\u5e76\u901a\u77e5AMS\u521b\u5efa\u5b8c\u6210\u3002<\/li>\n<li>AMS\u901a\u77e5\u5e94\u7528\u8fdb\u7a0b\u521b\u5efa\u6839Activity\u3002<\/li>\n<\/ul>\n<h5>3. \u5177\u4f53\u6d41\u7a0b<\/h5>\n<h6>3.1 Activity\u8bf7\u6c42AMS\u7684\u8fc7\u7a0b<\/h6>\n<ul>\n<li>\u82e5\u662f\u6839Activity\u9700\u8981\u7ecf\u8fc7\u989d\u5916\u7684\u521b\u5efa &#8211; \u8c03\u7528Launcher\u7684startActivitySafely\u65b9\u6cd5\u6765\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f<\/li>\n<li>Activity\u901a\u8fc7Instrumentation\u6765\u542f\u52a8Activity &#8211; startActivityForResult\u65b9\u6cd5\u5185mInstrumentation.execStartActivity<\/li>\n<li>Instrumentation\u8bf7\u6c42AMS\u8fdb\u884c\u542f\u52a8\u3002\u8be5\u7c7b\u7684\u4f5c\u7528\u662f\u76d1\u63a7\u5e94\u7528\u7a0b\u5e8f\u548c\u7cfb\u7edf\u7684\u4ea4\u4e92\u3002\u5230\u6b64\u4e3a\u6b62\uff0c\u4efb\u52a1\u5c31\u4ea4\u7ed9\u4e86AMS\u4e86\uff0cAMS\u8fdb\u884c\u4e00\u7cfb\u5217\u5904\u7406\u540e\uff0c\u4f1a\u901a\u8fc7\u672c\u5730\u7684\u63a5\u53e3IActivityManager\u6765\u8fdb\u884c\u56de\u8c03\u542f\u52a8activity<br \/>\n<strong>execStartActivity\u65b9\u6cd5\u5185 ActivityManager.getService().startActivity \u83b7\u53d6AMS\u542f\u52a8Activity<\/strong><\/li>\n<\/ul>\n<h6>3.2 AMS\u5904\u7406\u8bf7\u6c42\u7684\u8fc7\u7a0b (\u5185\u5bb9\u8f83\u957f\u67e5\u770b\u539f\u6587\u7ae0)<\/h6>\n<ul>\n<li>ActivityStartController <strong>=><\/strong> ActivityStarter\uff08\u9884\u5904\u7406\u3001\u521b\u5efa\u8fdb\u7a0b\u7b49\uff09 <strong>=><\/strong> ActivityStackSupervisor(Activity\u6808\u76f8\u5173,\u7ed3\u5408ActivityStack) <strong>=><\/strong> startSpecificActivityLocked <strong>=><\/strong> realStartActivityLocked\uff08\u8fdb\u884c\u771f\u6b63\u7684\u542f\u52a8\uff0cClientTransaction\u3001<strong>\u6dfb\u52a0\u6267\u884cResume\u4e8b\u52a1ResumeActivityItem<\/strong>\uff09  mService.getLifecycleManager().scheduleTransaction(clientTransaction);<\/li>\n<li>ClientLifecycleManager &#8211; (mService.getLifecycleManager()) \u4e8b\u52a1\u7ba1\u7406\u7c7b\uff0c\u8d1f\u8d23\u6267\u884c\u4e8b\u52a1<\/li>\n<li>ActivityLifecycleItem -> ClientTransaction -> ClientLifecycleManager \uff08\u53f3\u8c03\u7528\u5de6\uff09<\/li>\n<li>scheduleTransaction\u65b9\u6cd5\u5185\uff0ctransaction.schedule() <span class=\"text-highlighted-inline\" style=\"background-color: #fffd38;\">> \u901a\u8fc7\u672c\u5730ApplicationThread\u5728\u670d\u52a1\u7aef\u7684\u63a5\u53e3IApplicationThread\u6765\u8fdb\u884c\u8de8\u8fdb\u7a0b\u901a\u4fe1<\/span><\/li>\n<\/ul>\n<pre><code class=\"language-java line-numbers\">\/frameworks\/base\/core\/java\/android\/app\/servertransaction\/ClientTransaction.java\/;\n\n\/\/\u8fd9\u91cc\u7684IApplicationThread\u662f\u8981\u542f\u52a8\u8fdb\u7a0b\u7684IBinder\u63a5\u53e3\n\/\/ApplicationThread\u662fActivityThread\u7684\u5185\u90e8\u7c7b\uff0cIApplicationThread\u662fIBinder\u4ee3\u7406\u63a5\u53e3\n\/\/\u8fd9\u91cc\u5c06\u903b\u8f91\u8f6c\u5230\u672c\u5730\u6765\u6267\u884c\nprivate IApplicationThread mClient;\npublic void schedule() throws RemoteException {\n    mClient.scheduleTransaction(this);\n}\n\n<\/code><\/pre>\n<h6>3.3 ActivityThread\u521b\u5efaActivity\u7684\u8fc7\u7a0b<\/h6>\n<ul>\n<li>scheduleTransaction &#8211; IApplicationThread\u63a5\u53e3\u7684\u672c\u5730\u5b9e\u73b0\u7c7bActivityThread\u7684\u5185\u90e8\u7c7bApplicationThread<br \/>\n\u4f7f\u7528Handler\u7684<code>sendMessage(ActivityThread.H.EXECUTE_TRANSACTION, transaction);<\/code>\u5904\u7406<\/li>\n<li>Handler\u5bf9\u4e8b\u52a1\u8fdb\u884c\u5904\u7406\u3002\u8c03\u7528\u4e8b\u52a1\u6c60\u6765\u5904\u7406\u4e8b\u52a1 &#8211; mTransactionExecutor.execute(transaction);<\/li>\n<li>execute\u65b9\u6cd5\u6267\u884c\u4e8b\u52a1\u662f \u4e0a\u8ff0realStartActivityLocked \u6dfb\u52a0\u7684\u4e24\u4e2a\u4e8b\u52a1<\/li>\n<li>\u4e8b\u52a1LaunchActivityItem \u8c03\u7528ActivityThread\u6267\u884c\u521b\u5efa\u903b\u8f91<\/li>\n<li>ActivityThread \u4e3b\u8981\u5229\u7528Instrumentation\u6765\u521b\u5efaactivity\u548c\u56de\u8c03activity\u7684\u751f\u547d\u5468\u671f\uff0c\u5e76\u521b\u5efaactivity\u7684\u4e0a\u4e0b\u6587\u548capp\u4e0a\u4e0b\u6587\uff08\u5982\u679c\u8fd8\u6ca1\u521b\u5efa\u7684\u8bdd\uff09\u6d89\u53ca handleLaunchActivity\uff0cperformLaunchActivity(\u6700\u540e\u4f1a\u56de\u8c03onCreate\u65b9\u6cd5)<\/li>\n<li>Instrumentation\u901a\u8fc7\u7c7b\u52a0\u8f7d\u5668\u6765\u521b\u5efaactivity\u5b9e\u4f8b<\/li>\n<li>\u901a\u8fc7AppComponentFactory\u5de5\u5382\u6765\u521b\u5efa\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<h5>4. \u542f\u52a8\u6a21\u5f0f<\/h5>\n<h6>4.1 \u5728\u6ca1\u6709\u4e3b\u52a8\u6dfb\u52a0 Intent flag \u7684\u60c5\u51b5\u4e0b<\/h6>\n<ul>\n<li>standard \u548c singleTop \u8fd9\u4e24\u79cd\u6a21\u5f0f\u4e0b taskAffinity \u5c5e\u6027\u5747\u4e0d\u4f1a\u751f\u6548\uff0c\u8fd9\u4e24\u79cd\u6a21\u5f0f\u542f\u52a8\u7684 Activity \u603b\u4f1a\u5c1d\u8bd5\u52a0\u5165\u5230\u542f\u52a8\u8005\u6240\u5728\u7684\u4efb\u52a1\u6808\u4e2d\uff0c\u5982\u679c\u542f\u52a8\u8005\u662f singleInstance \u7684\u8bdd\u5219\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u4efb\u52a1\u6808<\/li>\n<li>standard \u6a21\u5f0f\u7684 Activity \u6bcf\u6b21\u542f\u52a8\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b9e\u4f8b\uff0c\u4e0d\u4f1a\u8003\u8651\u4efb\u4f55\u590d\u7528<\/li>\n<li>singleTop \u6a21\u5f0f\u7684 Activity \u60f3\u8981\u88ab\u590d\u7528\uff0c\u9700\u8981\u542f\u52a8\u8005\u6240\u5728\u7684\u4efb\u52a1\u6808\u7684\u6808\u9876\u5c31\u662f\u8be5 Activity \u5b9e\u4f8b<\/li>\n<li>singleTask \u6a21\u5f0f\u7684 Activity \u4e8b\u5b9e\u4e0a\u662f\u7cfb\u7edf\u5168\u5c40\u5355\u4f8b\uff0c\u53ea\u8981\u5b9e\u4f8b\u6ca1\u6709\u88ab\u56de\u6536\u5c31\u4f1a\u4e00\u76f4\u88ab\u590d\u7528\u3002singleTask \u53ef\u4ee5\u901a\u8fc7\u58f0\u660e &#8211; taskAffinity \u4ece\u800c\u5728\u4e00\u4e2a\u7279\u5b9a\u7684\u4efb\u52a1\u6808\u4e2d\u88ab\u542f\u52a8\uff0c\u4e14\u5141\u8bb8\u5176\u5b83 Activity \u4e00\u8d77\u5171\u4eab\u540c\u4e00\u4e2a\u4efb\u52a1\u6808\u3002\u5982\u679c\u4e0d\u58f0\u660e &#8211; taskAffinity \u7684\u8bdd\u5c31\u4f1a\u5c1d\u8bd5\u5bfb\u627e\u6216\u8005\u4e3b\u52a8\u521b\u5efa taskAffinity \u4e3a applicationId \u7684\u4efb\u52a1\u6808\uff0c\u7136\u540e\u5728\u8be5\u4efb\u52a1\u6808\u4e2d\u521b\u5efa\u6216\u590d\u7528 Activity<\/li>\n<li>singleInstance \u53ef\u4ee5\u770b\u505a\u662f singleTask \u7684\u52a0\u5f3a\u7248\uff0csingleInstance \u5728\u4efb\u4f55\u65f6\u5019\u90fd\u4f1a\u72ec\u5360\u4e00\u4e2a\u4efb\u52a1\u6808\uff0c\u4e0d\u7ba1\u662f\u5426\u58f0\u660e\u4e86 taskAffinity\u3002\u5728 singleInstance \u4efb\u52a1\u6808\u4e2d\u542f\u52a8\u7684\u5176\u5b83 Activity \u90fd\u4f1a\u52a0\u5165\u5230\u5176\u5b83\u4efb\u52a1\u6808\u4e2d<\/li>\n<\/ul>\n<h6>4.2 Intent flag \u7684\u4f18\u5148\u7ea7\u4f1a\u6bd4 launchMode \u9ad8<\/h6>\n<ul>\n<li>\u975eActivity\u4e0a\u4e0b\u6587StartActivity \u9700\u8981\u663e\u5f0f\u8bbe\u7f6eFLAG_ACTIVITY_NEW_TASK\uff0c\u5177\u4f53\u6821\u9a8c\u5728ContextImpl<\/li>\n<li>Activity\u4e0a\u4e0b\u6587\u73af\u5883\u4e0b\uff0c\u4e0d\u9700\u8981\u663e\u5f0f\u8bbe\u7f6e\u3002 Activity\u91cd\u5199\u4e86StartActivity\uff0c\u65b9\u6cd5\u5185\u8c03\u7528Instrumentation.execStartActivity,\u5176\u4f1a\u901a\u8fc7binder\u8c03\u7528AMS\u4e2d\u7684\u65b9\u6cd5\uff0cAMS\u7ecf\u8fc7\u5904\u7406\u4f1a\u5bf9singleTask\u53casingleInstance\u8bbe\u7f6eFLAG_ACTIVITY_NEW_TASK<br \/>\n<strong>FLAG_ACTIVITY_NEW_TASK<\/strong><br \/>\n> standard + FLAG_ACTIVITY_NEW_TASK,\u53ef\u4ee5\u53d8\u66f4taskAffinity\u5c5e\u6027\u4f5c\u7528\uff0c\u9ed8\u8ba4standard\u4e0btaskAffinity \u5c5e\u6027\u4e0d\u4f1a\u751f\u6548\uff0c\u8bbe\u7f6eFLAG_ACTIVITY_NEW_TASK<\/li>\n<\/ul>\n<p><strong>FLAG_ACTIVITY_SINGLE_TOP<\/strong><\/p>\n<blockquote><p>\n  \u53ef\u4ee5\u8986\u76d6standard\u7684\u8868\u73b0\uff0c\u5373\u4fbf\u662fstandard\u6a21\u5f0f\uff0c\u5982\u679c\u5728\u6808\u9876\uff0c\u5219\u76f4\u63a5\u590d\u7528\u3002\n<\/p><\/blockquote>\n<p><strong>FLAG_ACTIVITY_CLEAR_TOP<\/strong><\/p>\n<blockquote><p>\n  FLAG_ACTIVITY_CLEAR_TOP \u5355\u72ec\u4f7f\u7528\u4f1a\u9500\u6bc1\u6307\u5b9aActivity\u53ca\u4ee5\u4e0a\u6d3b\u52a8\uff0c\u5e76\u91cd\u5efa\u65b0\u7684Activity<br \/>\n  \u914d\u5408FLAG_ACTIVITY_SINGLE_TOP \u5219\u4f1a\u76f8\u5e94\u7684\u590d\u7528\uff0c\u5e76\u9500\u6bc1\u6307\u5b9aActivity\u53ca\u4ee5\u4e0a\u6d3b\u52a8\n<\/p><\/blockquote>\n<p><strong>FLAG_ACTIVITY_CLEAR_TASK<\/strong><\/p>\n<blockquote><p>\n  \u9700\u8981\u914d\u5408FLAG_ACTIVITY_NEW_TASK\u4f7f\u7528\uff0cflag \u7684\u4f18\u5148\u7ea7\u5f88\u9ad8\uff0c\u5373\u4f7f\u662f singleInstance \u7c7b\u578b\u7684 Activity \u4e5f\u4f1a\u88ab\u9500\u6bc1\n<\/p><\/blockquote>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/blog.csdn.net\/weixin_43766753\/article\/details\/107746968\" title=\"\u539f\u6587\u7ae0\u94fe\u63a5\">\u539f\u6587\u7ae0\u94fe\u63a5<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u666e\u901aActivity\u521b\u5efa &#8211; activity\u5411Instrumentation\u8bf7\u6c42\u521b\u5efa In [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,8],"tags":[],"class_list":["post-425","post","type-post","status-publish","format-standard","hentry","category-android","category-8"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Android-Activity\u542f\u52a8\u6d41\u7a0b\u7b80\u6790 - IIchen<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/iichen.cn\/?p=425\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Android-Activity\u542f\u52a8\u6d41\u7a0b\u7b80\u6790 - IIchen\" \/>\n<meta property=\"og:description\" content=\"1. \u666e\u901aActivity\u521b\u5efa &#8211; activity\u5411Instrumentation\u8bf7\u6c42\u521b\u5efa In [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/iichen.cn\/?p=425\" \/>\n<meta property=\"og:site_name\" content=\"IIchen\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-28T10:31:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png\" \/>\n<meta name=\"author\" content=\"iichen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"iichen\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/iichen.cn\/?p=425#article\",\"isPartOf\":{\"@id\":\"https:\/\/iichen.cn\/?p=425\"},\"author\":{\"name\":\"iichen\",\"@id\":\"https:\/\/iichen.cn\/#\/schema\/person\/4a47edf85ab49841df9e8f6aee40b77c\"},\"headline\":\"Android-Activity\u542f\u52a8\u6d41\u7a0b\u7b80\u6790\",\"datePublished\":\"2022-11-28T10:31:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/iichen.cn\/?p=425\"},\"wordCount\":233,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/iichen.cn\/#\/schema\/person\/4a47edf85ab49841df9e8f6aee40b77c\"},\"image\":{\"@id\":\"https:\/\/iichen.cn\/?p=425#primaryimage\"},\"thumbnailUrl\":\"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png\",\"articleSection\":[\"Android\",\"\u7b14\u8bb0\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/iichen.cn\/?p=425#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/iichen.cn\/?p=425\",\"url\":\"https:\/\/iichen.cn\/?p=425\",\"name\":\"Android-Activity\u542f\u52a8\u6d41\u7a0b\u7b80\u6790 - IIchen\",\"isPartOf\":{\"@id\":\"https:\/\/iichen.cn\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/iichen.cn\/?p=425#primaryimage\"},\"image\":{\"@id\":\"https:\/\/iichen.cn\/?p=425#primaryimage\"},\"thumbnailUrl\":\"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png\",\"datePublished\":\"2022-11-28T10:31:02+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/iichen.cn\/?p=425#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/iichen.cn\/?p=425\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/iichen.cn\/?p=425#primaryimage\",\"url\":\"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png\",\"contentUrl\":\"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/iichen.cn\/?p=425#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/iichen.cn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Android-Activity\u542f\u52a8\u6d41\u7a0b\u7b80\u6790\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/iichen.cn\/#website\",\"url\":\"https:\/\/iichen.cn\/\",\"name\":\"IIchen\",\"description\":\"Just do it!\",\"publisher\":{\"@id\":\"https:\/\/iichen.cn\/#\/schema\/person\/4a47edf85ab49841df9e8f6aee40b77c\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/iichen.cn\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\/\/iichen.cn\/#\/schema\/person\/4a47edf85ab49841df9e8f6aee40b77c\",\"name\":\"iichen\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/iichen.cn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/iichen.cn\/wp-content\/uploads\/2025\/01\/avatar.jpg\",\"contentUrl\":\"https:\/\/iichen.cn\/wp-content\/uploads\/2025\/01\/avatar.jpg\",\"width\":940,\"height\":940,\"caption\":\"iichen\"},\"logo\":{\"@id\":\"https:\/\/iichen.cn\/#\/schema\/person\/image\/\"},\"sameAs\":[\"https:\/\/www.iichen.cn\"],\"url\":\"https:\/\/iichen.cn\/?author=1\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Android-Activity\u542f\u52a8\u6d41\u7a0b\u7b80\u6790 - IIchen","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/iichen.cn\/?p=425","og_locale":"zh_CN","og_type":"article","og_title":"Android-Activity\u542f\u52a8\u6d41\u7a0b\u7b80\u6790 - IIchen","og_description":"1. \u666e\u901aActivity\u521b\u5efa &#8211; activity\u5411Instrumentation\u8bf7\u6c42\u521b\u5efa In [&hellip;]","og_url":"https:\/\/iichen.cn\/?p=425","og_site_name":"IIchen","article_published_time":"2022-11-28T10:31:02+00:00","og_image":[{"url":"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png","type":"","width":"","height":""}],"author":"iichen","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"iichen","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/iichen.cn\/?p=425#article","isPartOf":{"@id":"https:\/\/iichen.cn\/?p=425"},"author":{"name":"iichen","@id":"https:\/\/iichen.cn\/#\/schema\/person\/4a47edf85ab49841df9e8f6aee40b77c"},"headline":"Android-Activity\u542f\u52a8\u6d41\u7a0b\u7b80\u6790","datePublished":"2022-11-28T10:31:02+00:00","mainEntityOfPage":{"@id":"https:\/\/iichen.cn\/?p=425"},"wordCount":233,"commentCount":0,"publisher":{"@id":"https:\/\/iichen.cn\/#\/schema\/person\/4a47edf85ab49841df9e8f6aee40b77c"},"image":{"@id":"https:\/\/iichen.cn\/?p=425#primaryimage"},"thumbnailUrl":"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png","articleSection":["Android","\u7b14\u8bb0"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/iichen.cn\/?p=425#respond"]}]},{"@type":"WebPage","@id":"https:\/\/iichen.cn\/?p=425","url":"https:\/\/iichen.cn\/?p=425","name":"Android-Activity\u542f\u52a8\u6d41\u7a0b\u7b80\u6790 - IIchen","isPartOf":{"@id":"https:\/\/iichen.cn\/#website"},"primaryImageOfPage":{"@id":"https:\/\/iichen.cn\/?p=425#primaryimage"},"image":{"@id":"https:\/\/iichen.cn\/?p=425#primaryimage"},"thumbnailUrl":"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png","datePublished":"2022-11-28T10:31:02+00:00","breadcrumb":{"@id":"https:\/\/iichen.cn\/?p=425#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/iichen.cn\/?p=425"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/iichen.cn\/?p=425#primaryimage","url":"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png","contentUrl":"https:\/\/s1.ax1x.com\/2020\/08\/02\/aYQwF0.png"},{"@type":"BreadcrumbList","@id":"https:\/\/iichen.cn\/?p=425#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/iichen.cn\/"},{"@type":"ListItem","position":2,"name":"Android-Activity\u542f\u52a8\u6d41\u7a0b\u7b80\u6790"}]},{"@type":"WebSite","@id":"https:\/\/iichen.cn\/#website","url":"https:\/\/iichen.cn\/","name":"IIchen","description":"Just do it!","publisher":{"@id":"https:\/\/iichen.cn\/#\/schema\/person\/4a47edf85ab49841df9e8f6aee40b77c"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/iichen.cn\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":["Person","Organization"],"@id":"https:\/\/iichen.cn\/#\/schema\/person\/4a47edf85ab49841df9e8f6aee40b77c","name":"iichen","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/iichen.cn\/#\/schema\/person\/image\/","url":"https:\/\/iichen.cn\/wp-content\/uploads\/2025\/01\/avatar.jpg","contentUrl":"https:\/\/iichen.cn\/wp-content\/uploads\/2025\/01\/avatar.jpg","width":940,"height":940,"caption":"iichen"},"logo":{"@id":"https:\/\/iichen.cn\/#\/schema\/person\/image\/"},"sameAs":["https:\/\/www.iichen.cn"],"url":"https:\/\/iichen.cn\/?author=1"}]}},"_links":{"self":[{"href":"https:\/\/iichen.cn\/index.php?rest_route=\/wp\/v2\/posts\/425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iichen.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iichen.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iichen.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/iichen.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=425"}],"version-history":[{"count":0,"href":"https:\/\/iichen.cn\/index.php?rest_route=\/wp\/v2\/posts\/425\/revisions"}],"wp:attachment":[{"href":"https:\/\/iichen.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iichen.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iichen.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}