锁屏界面十秒超时

/frameworks/base/services/core/java/com/android/server/wm/RootWindowContainer.java

handleNotObscuredLocked { mUserActivityTimeout = w.mAttrs.userActivityTimeout;}

->

SystemUI

KeyguardViewMediator.AWAKE_INTERVAL_DEFAULT_MS = 10000;

StatusBarWindowController.applyUserActivityTimeout

{

mLpChanged.userActivityTimeout = KeyguardViewMediator.AWAKE_INTERVAL_DEFAULT_MS;

}

//

RootWindowContainer.performSurfacePlacement

-->RootWindowContainer.performSurfacePlacementNoTrace

->H.SET_USER_ACTIVITY_TIMEOUT

->PowerManagerService.setUserActivityTimeoutOverrideFromWindowManager

-->PowerManagerService.setUserActivityTimeoutOverrideFromWindowManagerInternal{mUserActivityTimeoutOverrideFromWindowManager = timeoutMillis;}

-->PowerManagerService.getScreenOffTimeoutLocked

{

if (mUserActivityTimeoutOverrideFromWindowManager >= 0) {

timeout = Math.min(timeout, mUserActivityTimeoutOverrideFromWindowManager);

}

//getScreenOffTimeoutLocked timeout=10000 mUserActivityTimeoutOverrideFromWindowManager=10000 sleepTimeout=-1

return Math.max(timeout, mMinimumScreenOffTimeoutConfig);

}

Keyguard Exit相关流程

adb shell dumpsys activity log x on

adb shell dumpsys window -d enable a

adb shell dumpsys window -d enable DEBUG_SCREEN_ON

adb shell dumpsys window -d enable DEBUG_KEYGUARD

adb logcat |grep -Ei "WindowManager|Waking up|keyguardGoingAway|StartKeyguardExitAnimation|screen on|Setting power mode|write_int"

03-24 17:40:05.973 1309 7714 D KeyguardViewMediator: onStartedWakingUp, seq = 1190

03-24 17:40:06.019 1309 1309 D KeyguardViewMediator: keyguardGoingAway

03-24 17:40:06.217 937 2664 I WindowManager: Relayout Window{bfff242 u0 com.xxxx.Launcher/com.android.launcher3.Launcher}: oldVis=4 newVis=0 focusMayChange = true

03-24 17:40:06.302 937 1049 D WindowManager: Starting keyguard exit animation

03-24 17:40:06.302 937 1049 D WindowManager: PWM.startKeyguardExitAnimation

03-24 17:40:06.320 1309 1309 D KeyguardViewMediator: handleStartKeyguardExitAnimation startTime=167302355 fadeoutDuration=0

03-24 17:40:06.352 937 1046 I WindowManager: Waiting for drawn Window{8fd0658 u0 StatusBar}: removed=false visible=true mHasSurface=true drawState=1

03-24 17:40:06.585 937 5600 I WindowManager: Waiting for drawn Window{8fd0658 u0 StatusBar}: removed=false visible=true mHasSurface=true drawState=4

03-24 17:40:06.587 937 5600 D WindowManager: All windows drawn!

03-24 17:40:06.617 937 1046 D WindowManager: finishScreenTurningOn: mAwake=true, mScreenOnEarly=true, mScreenOnFully=false, mKeyguardDrawComplete=true, mWindowManagerDrawComplete=true

03-24 17:40:06.617 937 1046 I WindowManager: Finished screen turning on...

03-24 17:40:06.617 937 1178 I DisplayPowerController: Unblocked screen on after 679 ms

相关trace信息

KeyguardController.keyguardGoingAway{ Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "keyguardGoingAway");}

//

AppTransitionController.handleAppTransitionReady -->

AppTransition.goodToGo-->

AppTransition.notifyAppTransitionStartingLocked --->

WindowManagerInternal.onAppTransitionStartingLocked

PhoneWindowManager.handleStartTransitionForKeyguardLw -->PhoneWindowManager.startKeyguardExitAnimation ---> KeyguardDelegate.startKeyguardExitAnimation

应用层申请的亮屏

final Window window = mInCallActivity.getWindow();

window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

/frameworks/base/services/core/java/com/android/server/wm/DisplayContent.java

//界面更新layout

applySurfaceChangesTransaction-->

performLayout-->

performLayoutNoTrace{

// Now perform layout of attached windows, which usually depend on the position of the

// window they are attached to. XXX does not deal with windows that are attached to windows

// that are themselves attached.

forAllWindows(mPerformLayoutAttached, true /* traverseTopToBottom */);

.....

}

private final ConsumermPerformLayoutAttached = w -> {

root.handleNotObscuredLocked(w,

mTmpApplySurfaceChangesTransactionState.obscured,

mTmpApplySurfaceChangesTransactionState.syswin);

}

/frameworks/base/services/core/java/com/android/server/wm/RootWindowContainer.java

boolean handleNotObscuredLocked(WindowState w, boolean obscured, boolean syswin){

888 if (w.mHasSurface && canBeSeen) {

889 if ((attrFlags & FLAG_KEEP_SCREEN_ON) != 0) {

890 mHoldScreen = w.mSession;

891 mHoldScreenWindow = w;

892 }

}

-->performSurfacePlacementNoTrace{

mWmService.setHoldScreenLocked(mHoldScreen);

}

/frameworks/base/services/core/java/com/android/server/wm/WindowManagerService.java

///申请亮屏锁

mHoldingScreenWakeLock = mPowerManager.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.ON_AFTER_RELEASE, TAG_WM);

void setHoldScreenLocked(final Session newHoldScreen) {

final boolean hold = newHoldScreen != null;

if (hold && mHoldingScreenOn != newHoldScreen) {

mHoldingScreenWakeLock.setWorkSource(new WorkSource(newHoldScreen.mUid));

}

mHoldingScreenOn = newHoldScreen;

final boolean state = mHoldingScreenWakeLock.isHeld();

if (hold != state) {

if (hold) {

....

mHoldingScreenWakeLock.acquire();

}else{

.....

mHoldingScreenWakeLock.release();

}

}

}

///

PowerManager.release--->PowerManagerService.releaseWakeLock-->releaseWakeLockInternal-->removeWakeLockLocked-->applyWakeLockFlagsOnReleaseLocked