【IVI】12. Android Automotive OS 启动详解-CarLauncher篇_android 12 carlauncher

作者：你好赵伟 | 2024-06-30 01:34:37

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android 12 carlauncher

1.AMS启动Home Activity

在SystemServer启动时，在进入PHASE_ACTIVITY_MANAGER_READY阶段，该阶段会告诉ActivityManager可以启动三方代码。并进行相关的初始化。

frameworks/base/services/java/com/android/server/SystemServer.java

{

…...

mActivityManagerService.systemReady(() -> {//ams调用systemReady()进行初始化

Slog.i(TAG, "Making services ready");

traceBeginAndSlog("StartActivityManagerReadyPhase");

mSystemServiceManager.startBootPhase(

SystemService.PHASE_ACTIVITY_MANAGER_READY);//设置系统启动阶段550.

traceEnd();

……

}

frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java

public void systemReady(final Runnable goingCallback, TimingsTraceLog traceLog) {

traceLog.traceBegin("PhaseActivityManagerReady");

synchronized(this) {

if (mSystemReady) {

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