SystemUI启动，及其SystemUIService启动

android12-release

SystemServer.run() - startOtherServices - startSystemUi - context.startServiceAsUser - windowManager.onSystemUiStarted()


frameworks/base/core/res/res/values/config.xml

com.android.systemui/com.android.systemui.SystemUIService
启动服务SystemUIService，运行在进程com.android.systemui
context.startServiceAsUser - SystemUIService.onCreate() - getApplication()).startServicesIfNeeded()


SystemUI服务要启动的类frameworks/base/packages/SystemUI/res/values/config.xml:config_systemUIServiceComponents

    
    
        com.android.systemui.util.NotificationChannels
        com.android.systemui.keyguard.KeyguardViewMediator
        com.android.systemui.recents.Recents
        com.android.systemui.volume.VolumeUI
        com.android.systemui.statusbar.phone.StatusBar
        com.android.systemui.usb.StorageNotification
        com.android.systemui.power.PowerUI
        com.android.systemui.media.RingtonePlayer
        com.android.systemui.keyboard.KeyboardUI
        com.android.systemui.shortcut.ShortcutKeyDispatcher
        @string/config_systemUIVendorServiceComponent
        com.android.systemui.util.leak.GarbageMonitor$Service
        com.android.systemui.LatencyTester
        com.android.systemui.globalactions.GlobalActionsComponent
        com.android.systemui.ScreenDecorations
        com.android.systemui.biometrics.AuthController
        com.android.systemui.SliceBroadcastRelayHandler
        com.android.systemui.statusbar.notification.InstantAppNotifier
        com.android.systemui.theme.ThemeOverlayController
        com.android.systemui.accessibility.WindowMagnification
        com.android.systemui.accessibility.SystemActions
        com.android.systemui.toast.ToastUI
        com.android.systemui.wmshell.WMShell
    

startServicesIfNeeded - new StatusBar - StatusBar.start()

start():

createAndAddWindows(result) 添加状态栏setUpPresenter() 设置初始通知状态NotificationsController.initializestartKeyguard()… … 流程图