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Commit 51de04a6 authored by Jeff Chang's avatar Jeff Chang
Browse files

Protect against assumptions of a top focused stack. 

Ibefc3a80, Do the protect against when get top focused stack. Here
are some cases also need to do same thing to guards against the
assumptions that a top focused stack exists.

Bug: 153607881
Test: ActivityStarterTests ActivityRecordTest
Change-Id: I004bdb97ce4c1199b37625ba18bea35ac478f81c
parent 32729dac

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

+3 −0
Original line number Diff line number Diff line
@@ -5536,6 +5536,9 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A 
        // timeout should not be caused by this.

        if (stopped) {

            final ActivityStack stack = mRootWindowContainer.getTopDisplayFocusedStack();

            if (stack == null) {

                return this;

            }

            // Try to use the one which is closest to top.

            ActivityRecord r = stack.getResumedActivity();

            if (r == null) {

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

+1 −1
Original line number Diff line number Diff line
@@ -1123,7 +1123,7 @@ class ActivityStarter { 


        // If we are starting an activity that is not from the same uid as the currently resumed

        // one, check whether app switches are allowed.

        if (voiceSession == null && (stack.getResumedActivity() == null

        if (voiceSession == null && stack != null && (stack.getResumedActivity() == null

                || stack.getResumedActivity().info.applicationInfo.uid != realCallingUid)) {

            if (!mService.checkAppSwitchAllowedLocked(callingPid, callingUid,

                    realCallingPid, realCallingUid, "Activity start")) {