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Make transit to home activity always be close transit

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Previously, we used the wallpaper transition when going to the home
activity. The idea was that on devices that have no wallpaper, this
is safe. However, the check for the wallpaper was incorrect.

A better approach is to detect when a task open transition is
happening and check if it's the home task that is being brought to
front. If yes, then we use a close transition, closing the
previous activity to show the home activity

Bug: 237371677
Bug: 220024691
Test: m && manually check that keyevent HOME fades out the top app
Change-Id: I46ba3d363b581f07e153e032689261821cbbe9e4
This commit is contained in:
Galia Peycheva
2022-09-16 14:29:35 +02:00
parent 0e131b9178
commit b576faec5c
1 changed files with 5 additions and 10 deletions
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15
services/core/java/com/android/server/wm/AppTransitionController.java
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@@ -467,16 +467,6 @@ public class AppTransitionController {
return TRANSIT_OLD_WALLPAPER_OPEN;
}
// Some devices don't show a wallpaper. In that case we should still trigger wallpaper
// transitions when animating to/from the home activity
if (wallpaperTarget == null) {
if (topOpeningApp != null && topOpeningApp.isActivityTypeHome()) {
return TRANSIT_OLD_WALLPAPER_OPEN;
} else if (topClosingApp != null && topClosingApp.isActivityTypeHome()) {
return TRANSIT_OLD_WALLPAPER_CLOSE;
}
}
final ArraySet<WindowContainer> openingWcs = getAnimationTargets(
openingApps, closingApps, true /* visible */);
final ArraySet<WindowContainer> closingWcs = getAnimationTargets(
@@ -488,6 +478,11 @@ public class AppTransitionController {
@TransitContainerType int openingType = getTransitContainerType(openingContainer);
@TransitContainerType int closingType = getTransitContainerType(closingContainer);
if (appTransition.containsTransitRequest(TRANSIT_TO_FRONT) && openingType == TYPE_TASK) {
if (topOpeningApp != null && topOpeningApp.isActivityTypeHome()) {
// If we are opening the home task, we want to play an animation as if
// the task on top is being brought to back.
return TRANSIT_OLD_TASK_TO_BACK;
}
return TRANSIT_OLD_TASK_TO_FRONT;
}
if (appTransition.containsTransitRequest(TRANSIT_TO_BACK) && closingType == TYPE_TASK) {