Add lock task checking to moving tasks to back
Chrome seems to use this method of moving itself to the back on
back presses, causing it to escape lock task mode.
Bug: 17365048
Change-Id: I2e8bc614f771951ed96cfc36f9789d12b1742e70
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 008ec99..2e9df8a 100755
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -8408,6 +8408,10 @@
synchronized(this) {
TaskRecord tr = recentTaskForIdLocked(taskId);
if (tr != null) {
+ if (tr == mStackSupervisor.mLockTaskModeTask) {
+ mStackSupervisor.showLockTaskToast();
+ return;
+ }
if (DEBUG_STACK) Slog.d(TAG, "moveTaskToBack: moving task=" + tr);
ActivityStack stack = tr.stack;
if (stack.mResumedActivity != null && stack.mResumedActivity.task == tr) {
@@ -8440,11 +8444,19 @@
enforceNotIsolatedCaller("moveActivityTaskToBack");
synchronized(this) {
final long origId = Binder.clearCallingIdentity();
- int taskId = ActivityRecord.getTaskForActivityLocked(token, !nonRoot);
- if (taskId >= 0) {
- return ActivityRecord.getStackLocked(token).moveTaskToBackLocked(taskId, null);
+ try {
+ int taskId = ActivityRecord.getTaskForActivityLocked(token, !nonRoot);
+ if (taskId >= 0) {
+ if ((mStackSupervisor.mLockTaskModeTask != null)
+ && (mStackSupervisor.mLockTaskModeTask.taskId == taskId)) {
+ mStackSupervisor.showLockTaskToast();
+ return false;
+ }
+ return ActivityRecord.getStackLocked(token).moveTaskToBackLocked(taskId, null);
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
}
- Binder.restoreCallingIdentity(origId);
}
return false;
}