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Commit 2b5d59b3 authored by wilsonshih's avatar wilsonshih
Browse files

Skip cross-task or back-to-home if current task is locked. 

Bug: 320755379
Test: enable pinning, pin task.
Verify no predictive back animation occur on pinned task.

Change-Id: I212baa86fe42a1564464b87483b1df94435e56be
parent 456d99d8

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

+4 −2
Original line number Diff line number Diff line
@@ -290,9 +290,11 @@ class BackNavigationController { 
                    // keyguard locked and activities are unable to show when locked.

                    backType = BackNavigationInfo.TYPE_CALLBACK;

                }

            } else if (currentTask.mAtmService.getLockTaskController().isTaskLocked(currentTask)) {

                // Do not predict if current task is in task locked.

                backType = BackNavigationInfo.TYPE_CALLBACK;

            } else {

                // TODO(208789724): Create single source of truth for this, maybe in

                //  RootWindowContainer

                // Check back-to-home or cross-task

                prevTask = currentTask.mRootWindowContainer.getTask(t -> {

                    if (t.showToCurrentUser() && !t.mChildren.isEmpty()) {

                        final ActivityRecord ar = t.getTopNonFinishingActivity();