Implement demotion of an app's FGses (7efefc63) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityManagerInternal.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -517,6 +517,11 @@ public abstract class ActivityManagerInternal {
		public abstract void onForegroundServiceNotificationUpdate(boolean shown,
		Notification notification, int id, String pkg, @UserIdInt int userId);

		/**
		* Un-foreground all foreground services in the given app.
		*/
		public abstract void makeServicesNonForeground(String pkg, @UserIdInt int userId);

		/**
		* If the given app has any FGSs whose notifications are in the given channel,
		* stop them.

core/java/android/app/IActivityManager.aidl

+1 −0

Original line number	Diff line number	Diff line
		@@ -278,6 +278,7 @@ interface IActivityManager {
		List<ActivityManager.ProcessErrorStateInfo> getProcessesInErrorState();
		boolean clearApplicationUserData(in String packageName, boolean keepState,
		in IPackageDataObserver observer, int userId);
		void makeServicesNonForeground(in String packageName, int userId);
		@UnsupportedAppUsage
		void forceStopPackage(in String packageName, int userId);
		boolean killPids(in int[] pids, in String reason, boolean secure);

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

+23 −0

Original line number	Diff line number	Diff line
		@@ -5110,6 +5110,29 @@ public final class ActiveServices {
		return didSomething;
		}

		void makeServicesNonForegroundLocked(final String pkg, final @UserIdInt int userId) {
		final ServiceMap smap = mServiceMap.get(userId);
		if (smap != null) {
		ArrayList<ServiceRecord> fgsList = new ArrayList<>();
		for (int i = 0; i < smap.mServicesByInstanceName.size(); i++) {
		final ServiceRecord sr = smap.mServicesByInstanceName.valueAt(i);
		if (sr.appInfo.packageName.equals(pkg) && sr.isForeground) {
		fgsList.add(sr);
		}
		}

		final int numServices = fgsList.size();
		if (DEBUG_FOREGROUND_SERVICE) {
		Slog.i(TAG_SERVICE, "Forcing " + numServices + " services out of foreground in u"
		+ userId + "/" + pkg);
		}
		for (int i = 0; i < numServices; i++) {
		final ServiceRecord sr = fgsList.get(i);
		setServiceForegroundInnerLocked(sr, 0, null, Service.STOP_FOREGROUND_REMOVE, 0);
		}
		}
		}

		void forceStopPackageLocked(String packageName, int userId) {
		ServiceMap smap = mServiceMap.get(userId);
		if (smap != null && smap.mActiveForegroundApps.size() > 0) {

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

+35 −0

Original line number	Diff line number	Diff line
		@@ -3750,6 +3750,29 @@ public class ActivityManagerService extends IActivityManager.Stub
		}
		}

		@Override
		public void makeServicesNonForeground(final String packageName, int userId) {
		if (checkCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_TASKS)
		!= PackageManager.PERMISSION_GRANTED) {
		String msg = "Permission Denial: makeServicesNonForeground() from pid="
		+ Binder.getCallingPid()
		+ ", uid=" + Binder.getCallingUid()
		+ " requires " + android.Manifest.permission.MANAGE_ACTIVITY_TASKS;
		Slog.w(TAG, msg);
		throw new SecurityException(msg);
		}

		final int callingPid = Binder.getCallingPid();
		userId = mUserController.handleIncomingUser(callingPid, Binder.getCallingUid(),
		userId, true, ALLOW_FULL_ONLY, "makeServicesNonForeground", null);
		final long callingId = Binder.clearCallingIdentity();
		try {
		makeServicesNonForegroundUnchecked(packageName, userId);
		} finally {
		Binder.restoreCallingIdentity(callingId);
		}
		}

		@Override
		public void forceStopPackage(final String packageName, int userId) {
		if (checkCallingPermission(android.Manifest.permission.FORCE_STOP_PACKAGES)
		@@ -4058,6 +4081,13 @@ public class ActivityManagerService extends IActivityManager.Stub
		}
		}

		private void makeServicesNonForegroundUnchecked(final String packageName,
		final @UserIdInt int userId) {
		synchronized (this) {
		mServices.makeServicesNonForegroundLocked(packageName, userId);
		}
		}

		@GuardedBy("this")
		private void forceStopPackageLocked(final String packageName, int uid, String reason) {
		forceStopPackageLocked(packageName, UserHandle.getAppId(uid), false,
		@@ -16398,6 +16428,11 @@ public class ActivityManagerService extends IActivityManager.Stub
		}
		}

		@Override
		public void makeServicesNonForeground(String pkg, int userId) {
		ActivityManagerService.this.makeServicesNonForegroundUnchecked(pkg, userId);
		}

		@Override
		public void stopForegroundServicesForChannel(String pkg, int userId,
		String channelId) {

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

+18 −0

Original line number	Diff line number	Diff line
		@@ -229,6 +229,8 @@ final class ActivityManagerShellCommand extends ShellCommand {
		return runBugReport(pw);
		case "force-stop":
		return runForceStop(pw);
		case "stop-fgs":
		return runStopForegroundServices(pw);
		case "fgs-notification-rate-limit":
		return runFgsNotificationRateLimit(pw);
		case "crash":
		@@ -1105,6 +1107,22 @@ final class ActivityManagerShellCommand extends ShellCommand {
		return 0;
		}

		int runStopForegroundServices(PrintWriter pw) throws RemoteException {
		int userId = UserHandle.USER_SYSTEM;

		String opt;
		while ((opt = getNextOption()) != null) {
		if (opt.equals("--user")) {
		userId = UserHandle.parseUserArg(getNextArgRequired());
		} else {
		getErrPrintWriter().println("Error: Unknown option: " + opt);
		return -1;
		}
		}
		mInterface.makeServicesNonForeground(getNextArgRequired(), userId);
		return 0;
		}

		int runFgsNotificationRateLimit(PrintWriter pw) throws RemoteException {
		final String toggleValue = getNextArgRequired();
		final boolean enable;