Stop app pinning if lock task is requested from allowedlisted app (540a7c32) · Commits · e / os / android_frameworks_base

data/etc/services.core.protolog.json

+6 −0

Original line number	Diff line number	Diff line
		@@ -1069,6 +1069,12 @@
		"group": "WM_DEBUG_ORIENTATION",
		"at": "com\/android\/server\/wm\/WindowManagerService.java"
		},
		"-1075136930": {
		"message": "startLockTaskMode: Can't lock due to auth",
		"level": "WARN",
		"group": "WM_DEBUG_LOCKTASK",
		"at": "com\/android\/server\/wm\/LockTaskController.java"
		},
		"-1069336896": {
		"message": "onRootTaskOrderChanged(): rootTask=%s",
		"level": "DEBUG",

services/core/java/com/android/server/wm/ActivityTaskManagerService.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -2566,6 +2566,9 @@ public class ActivityTaskManagerService extends IActivityTaskManager.Stub {
		}
		task = r.getTask();
		}
		// If {@code isSystemCaller} is {@code true}, it means the user intends to stop
		// pinned mode through UI; otherwise, it's called by an app and we need to stop
		// locked or pinned mode, subject to checks.
		getLockTaskController().stopLockTaskMode(task, isSystemCaller, callingUid);
		}
		// Launch in-call UI if a call is ongoing. This is necessary to allow stopping the lock

services/core/java/com/android/server/wm/LockTaskController.java

+14 −8

Original line number	Diff line number	Diff line
		@@ -481,27 +481,24 @@ public class LockTaskController {
		*
		* @param task the task that requested the end of lock task mode ({@code null} for quitting app
		* pinning mode)
		* @param isSystemCaller indicates whether this request comes from the system via
		* {@link ActivityTaskManagerService#stopSystemLockTaskMode()}. If
		* {@code true}, it means the user intends to stop pinned mode through UI;
		* otherwise, it's called by an app and we need to stop locked or pinned
		* mode, subject to checks.
		* @param stopAppPinning indicates whether to stop app pinning mode or to stop a task from
		* being locked.
		* @param callingUid the caller that requested the end of lock task mode.
		* @throws IllegalArgumentException if the calling task is invalid (e.g., {@code null} or not in
		* foreground)
		* @throws SecurityException if the caller is not authorized to stop the lock task mode, i.e. if
		* they differ from the one that launched lock task mode.
		*/
		void stopLockTaskMode(@Nullable Task task, boolean isSystemCaller, int callingUid) {
		void stopLockTaskMode(@Nullable Task task, boolean stopAppPinning, int callingUid) {
		if (mLockTaskModeState == LOCK_TASK_MODE_NONE) {
		return;
		}

		if (isSystemCaller) {
		if (stopAppPinning) {
		if (mLockTaskModeState == LOCK_TASK_MODE_PINNED) {
		clearLockedTasks("stopAppPinning");
		} else {
		Slog.e(TAG_LOCKTASK, "Attempted to stop LockTask with isSystemCaller=true");
		Slog.e(TAG_LOCKTASK, "Attempted to stop app pinning while fully locked");
		showLockTaskToast();
		}

		@@ -642,6 +639,10 @@ public class LockTaskController {
		* @param callingUid the caller that requested the launch of lock task mode.
		*/
		void startLockTaskMode(@NonNull Task task, boolean isSystemCaller, int callingUid) {
		if (task.mLockTaskAuth == LOCK_TASK_AUTH_DONT_LOCK) {
		ProtoLog.w(WM_DEBUG_LOCKTASK, "startLockTaskMode: Can't lock due to auth");
		return;
		}
		if (!isSystemCaller) {
		task.mLockTaskUid = callingUid;
		if (task.mLockTaskAuth == LOCK_TASK_AUTH_PINNABLE) {
		@@ -654,6 +655,11 @@ public class LockTaskController {
		statusBarManager.showScreenPinningRequest(task.mTaskId);
		}
		return;
		} else if (mLockTaskModeState == LOCK_TASK_MODE_PINNED) {
		// startLockTask() called by app, and app is part of lock task allowlist.
		// Deactivate the currently pinned task before doing so.
		Slog.i(TAG, "Stop app pinning before entering full lock task mode");
		stopLockTaskMode(/* task= / null, / stopAppPinning= */ true, callingUid);
		}
		}