Android startActivity_Android 30

原创于 2021-10-28 23:23:16 发布 · 269 阅读

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#android #activity

Android Advance 同时被 2 个专栏收录

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Android 四大组件

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这篇博客详细阐述了Android系统中启动活动的过程，从`PackageManagerService`的`resolveIntent`开始，经过`ActivityStackSupervisor`的处理，到`ActivityStarter`的`resolveActivity`并返回`ResolveInfo`，最后在`ActivityTaskManagerService`中完成启动。这一过程涉及到系统服务、intent解析、窗口管理和任务调度等多个核心组件的交互。

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resolveIntentInternal:6431, PackageManagerService (com.android.server.pm)
access$8500:466, PackageManagerService (com.android.server.pm)
resolveIntent:24747, PackageManagerService$PackageManagerInternalImpl (com.android.server.pm)
resolveIntent:701, ActivityStackSupervisor (com.android.server.wm)
resolveActivity:491, ActivityStarter$Request (com.android.server.wm) --> 在这里返回了ResolveInfo
execute:647, ActivityStarter (com.android.server.wm)
startActivityAsUser:1100, ActivityTaskManagerService (com.android.server.wm)
startActivityAsUser:1072, ActivityTaskManagerService (com.android.server.wm)
startActivity:1047, ActivityTaskManagerService (com.android.server.wm)
onTransact:1422, IActivityTaskManager$Stub (android.app)
execTransactInternal:1154, Binder (android.os)
execTransact:1123, Binder (android.os)