Merge "Emit TRIM_MEMORY_UI_HIDDEN event on switching to background" into sc-v2-dev (b5d43be7) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/am/AppProfiler.java

+25 −34

Original line number	Diff line number	Diff line
		@@ -1033,6 +1033,7 @@ public class AppProfiler {
		mService.setProcessTrackerStateLOSP(app, trackerMemFactor, now);
		state.setProcStateChanged(false);
		}
		trimMemoryUiHiddenIfNecessaryLSP(app);
		if (curProcState >= ActivityManager.PROCESS_STATE_HOME && !app.isKilledByAm()) {
		if (trimMemoryLevel < curLevel[0] && (thread = app.getThread()) != null) {
		try {
		@@ -1075,24 +1076,6 @@ public class AppProfiler {
		}
		profile.setTrimMemoryLevel(ComponentCallbacks2.TRIM_MEMORY_BACKGROUND);
		} else {
		if ((curProcState >= ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND
		\|\| state.isSystemNoUi()) && profile.hasPendingUiClean()) {
		// If this application is now in the background and it
		// had done UI, then give it the special trim level to
		// have it free UI resources.
		final int level = ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN;
		if (trimMemoryLevel < level && (thread = app.getThread()) != null) {
		try {
		if (DEBUG_SWITCH \|\| DEBUG_OOM_ADJ) {
		Slog.v(TAG_OOM_ADJ, "Trimming memory of bg-ui "
		+ app.processName + " to " + level);
		}
		thread.scheduleTrimMemory(level);
		} catch (RemoteException e) {
		}
		}
		profile.setPendingUiClean(false);
		}
		if (trimMemoryLevel < fgTrimLevel && (thread = app.getThread()) != null) {
		try {
		if (DEBUG_SWITCH \|\| DEBUG_OOM_ADJ) {
		@@ -1119,26 +1102,34 @@ public class AppProfiler {
		mService.setProcessTrackerStateLOSP(app, trackerMemFactor, now);
		state.setProcStateChanged(false);
		}
		if ((state.getCurProcState() >= ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND
		\|\| state.isSystemNoUi()) && profile.hasPendingUiClean()) {
		if (profile.getTrimMemoryLevel() < ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN
		&& (thread = app.getThread()) != null) {
		trimMemoryUiHiddenIfNecessaryLSP(app);
		profile.setTrimMemoryLevel(0);
		});
		}
		return allChanged;
		}

		@GuardedBy({"mService", "mProcLock"})
		private void trimMemoryUiHiddenIfNecessaryLSP(ProcessRecord app) {
		if ((app.mState.getCurProcState() >= ActivityManager.PROCESS_STATE_IMPORTANT_BACKGROUND
		\|\| app.mState.isSystemNoUi()) && app.mProfile.hasPendingUiClean()) {
		// If this application is now in the background and it
		// had done UI, then give it the special trim level to
		// have it free UI resources.
		final int level = ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN;
		IApplicationThread thread;
		if (app.mProfile.getTrimMemoryLevel() < level && (thread = app.getThread()) != null) {
		try {
		if (DEBUG_SWITCH \|\| DEBUG_OOM_ADJ) {
		Slog.v(TAG_OOM_ADJ,
		"Trimming memory of ui hidden " + app.processName
		+ " to " + ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN);
		Slog.v(TAG_OOM_ADJ, "Trimming memory of bg-ui "
		+ app.processName + " to " + level);
		}
		thread.scheduleTrimMemory(ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN);
		thread.scheduleTrimMemory(level);
		} catch (RemoteException e) {
		}
		}
		profile.setPendingUiClean(false);
		app.mProfile.setPendingUiClean(false);
		}
		profile.setTrimMemoryLevel(0);
		});
		}
		return allChanged;
		}

		@GuardedBy("mProcLock")