// BOOT_FINISHED
private void performEnableScreen() {
        synchronized (mGlobalLock) {
            if (DEBUG_BOOT) Slog.i(TAG_WM, "performEnableScreen: mDisplayEnabled=" + mDisplayEnabled
                    + " mForceDisplayEnabled=" + mForceDisplayEnabled
                    + " mShowingBootMessages=" + mShowingBootMessages
                    + " mSystemBooted=" + mSystemBooted
                    + " mOnlyCore=" + mOnlyCore,
                    new RuntimeException("here").fillInStackTrace());
            if (mDisplayEnabled) {
                return;
            }
            if (!mSystemBooted && !mShowingBootMessages) {
                return;
            }
            if (!mShowingBootMessages && !mPolicy.canDismissBootAnimation()) {
                return;
            }
            // Don't enable the screen until all existing windows have been drawn.
            if (!mForceDisplayEnabled
                    // TODO(multidisplay): Expand to all displays?
                    && getDefaultDisplayContentLocked().checkWaitingForWindows()) {
                return;
            }
            if (!mBootAnimationStopped) {
                Trace.asyncTraceBegin(TRACE_TAG_WINDOW_MANAGER, "Stop bootanim", 0);
                // stop boot animation
                // formerly we would just kill the process, but we now ask it to exit so it
                // can choose where to stop the animation.
                SystemProperties.set("service.bootanim.exit", "1");
                mBootAnimationStopped = true;
            }
            if (!mForceDisplayEnabled && !checkBootAnimationCompleteLocked()) {
                if (DEBUG_BOOT) Slog.i(TAG_WM, "performEnableScreen: Waiting for anim complete");
                return;
            }
            try {
                IBinder surfaceFlinger = ServiceManager.getService("SurfaceFlinger");
                if (surfaceFlinger != null) {
                    Slog.i(TAG_WM, "******* TELLING SURFACE FLINGER WE ARE BOOTED!");
                    Parcel data = Parcel.obtain();
                    data.writeInterfaceToken("android.ui.ISurfaceComposer");
                    surfaceFlinger.transact(IBinder.FIRST_CALL_TRANSACTION, // BOOT_FINISHED
                            data, null, 0);
                    data.recycle();
                }
            } catch (RemoteException ex) {
                Slog.e(TAG_WM, "Boot completed: SurfaceFlinger is dead!");
            }
            EventLog.writeEvent(EventLogTags.WM_BOOT_ANIMATION_DONE, SystemClock.uptimeMillis());
            Trace.asyncTraceEnd(TRACE_TAG_WINDOW_MANAGER, "Stop bootanim", 0);
            mDisplayEnabled = true;
            if (DEBUG_SCREEN_ON || DEBUG_BOOT) Slog.i(TAG_WM, "******************** ENABLING SCREEN!");
            // Enable input dispatch.
            mInputManagerCallback.setEventDispatchingLw(mEventDispatchingEnabled);
        }
        try {
            mActivityManager.bootAnimationComplete();
        } catch (RemoteException e) {
        }
        mPolicy.enableScreenAfterBoot();
        // Make sure the last requested orientation has been applied.
        updateRotationUnchecked(false, false);
    }
Parcel data = Parcel.obtain();
data.writeInterfaceToken("android.ui.ISurfaceComposer");
surfaceFlinger.transact(IBinder.FIRST_CALL_TRANSACTION, // BOOT_FINISHED
data, null, 0);
data.recycle();
if (!mForceDisplayEnabled && !checkBootAnimationCompleteLocked()) {
if (DEBUG_BOOT) Slog.i(TAG_WM, "performEnableScreen: Waiting for anim complete");
return;
}
try {
IBinder surfaceFlinger = ServiceManager.getService("SurfaceFlinger");
if (surfaceFlinger != null) {
Slog.i(TAG_WM, "******* TELLING SURFACE FLINGER WE ARE BOOTED!");
Parcel data = Parcel.obtain();
data.writeInterfaceToken("android.ui.ISurfaceComposer");
surfaceFlinger.transact(IBinder.FIRST_CALL_TRANSACTION, // BOOT_FINISHED
data, null, 0);
data.recycle();
}
} catch (RemoteException ex) {
Slog.e(TAG_WM, "Boot completed: SurfaceFlinger is dead!");
}
EventLog.writeEvent(EventLogTags.WM_BOOT_ANIMATION_DONE, SystemClock.uptimeMillis());
Trace.asyncTraceEnd(TRACE_TAG_WINDOW_MANAGER, "Stop bootanim", 0);
mDisplayEnabled = true;
if (DEBUG_SCREEN_ON || DEBUG_BOOT) Slog.i(TAG_WM, "******************** ENABLING SCREEN!");
return;
}
if (!mBootAnimationStopped) {
Trace.asyncTraceBegin(TRACE_TAG_WINDOW_MANAGER, "Stop bootanim", 0);
// stop boot animation
// formerly we would just kill the process, but we now ask it to exit so it
// can choose where to stop the animation.
SystemProperties.set("service.bootanim.exit", "1");
mBootAnimationStopped = true;
}
if (!mForceDisplayEnabled && !checkBootAnimationCompleteLocked()) {
if (DEBUG_BOOT) Slog.i(TAG_WM, "performEnableScreen: Waiting for anim complete");
return;
}
try {
IBinder surfaceFlinger = ServiceManager.getService("SurfaceFlinger");
if (surfaceFlinger != null) {
Slog.i(TAG_WM, "******* TELLING SURFACE FLINGER WE ARE BOOTED!");
Parcel data = Parcel.obtain();
data.writeInterfaceToken("android.ui.ISurfaceComposer");
surfaceFlinger.transact(IBinder.FIRST_CALL_TRANSACTION, // BOOT_FINISHED
data, null, 0);
data.recycle();
}
} catch (RemoteException ex) {
Slog.e(TAG_WM, "Boot completed: SurfaceFlinger is dead!");
}
EventLog.writeEvent(EventLogTags.WM_BOOT_ANIMATION_DONE, SystemClock.uptimeMillis());
Trace.asyncTraceEnd(TRACE_TAG_WINDOW_MANAGER, "Stop bootanim", 0);
mDisplayEnabled = true;
if (DEBUG_SCREEN_ON || DEBUG_BOOT) Slog.i(TAG_WM, "******************** ENABLING SCREEN!");
// Enable input dispatch.
mInputManagerCallback.setEventDispatchingLw(mEventDispatchingEnabled);
}
try {
mActivityManager.bootAnimationComplete();
} catch (RemoteException e) {
}
mPolicy.enableScreenAfterBoot();
// Make sure the last requested orientation has been applied.
updateRotationUnchecked(false, false);