SystemServer 相关类

ServiceManager

SystemServiceManager

-mContext：Context-mServices：ArrayList

+startService( ):SystemService+startBootPhase(final int phase)+startUser(int userHandle)+switchUser(int userHandle)+stopUser(int userHandle)+cleanupUser(int userHandle)

SystemServer

-mSystemContext:Context-mSystemServiceManager:SystemServiceManager-mContentResolver:ContentResolver-mActivityManagerService:ActivityManagerService-mDisplayManagerService:DisplayManagerService......

+main()+SystemServer()-run()-createSystemContext()-startBootstrapServices()-startCoreServices()-startOtherServices()

ContextImpl

+getSystemService(String name):Object+createSystemContext(ActivityThread mainThread):ContextImpl......

PowerManagerService

PowerManager()onStart()onBootPhase()......

abstract class SystemService

+SystemService(Context context)+getContext():Context+onStart()+onBootPhase(int phase)......

IPackageManager

+ installPackage()+ checkPermission()+ getInstalledPackages()+ finishPackageInstall()......

WifiService

onStart()onBootPhase(int phase)

PackageManagerService

......

ActivityThread

+getSystemContext():ContextImpl.....

abstract class Context