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Workaround to force show TaskFragment while back gesture animating.

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Unlike Task and ActivityRecord, the TaskFragment won't show it's
surface during animating, and the surface can be hide after close
transition in Transitions#setupStartState.

Bug: 271599041
Test: verify the TaskFragment can show during back gesture animation.
Change-Id: I9a3d56d3e6c0cc9f735d82f99fd1fc04c329d690
This commit is contained in:
wilsonshih
2023-03-10 02:54:06 +00:00
parent 34ab67a0a0
commit 936645000f
1 changed files with 10 additions and 2 deletions
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12
services/core/java/com/android/server/wm/BackNavigationController.java
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@@ -862,8 +862,16 @@ class BackNavigationController {
WindowContainer target, boolean isOpen) {
final BackWindowAnimationAdaptor adaptor =
new BackWindowAnimationAdaptor(target, isOpen);
target.startAnimation(target.getPendingTransaction(), adaptor, false /* hidden */,
ANIMATION_TYPE_PREDICT_BACK);
final SurfaceControl.Transaction pt = target.getPendingTransaction();
target.startAnimation(pt, adaptor, false /* hidden */, ANIMATION_TYPE_PREDICT_BACK);
// Workaround to show TaskFragment which can be hide in Transitions and won't show
// during isAnimating.
if (isOpen && target.asActivityRecord() != null) {
final TaskFragment fragment = target.asActivityRecord().getTaskFragment();
if (fragment != null) {
pt.show(fragment.mSurfaceControl);
}
}
return adaptor;
}