commit 6e3591469a62de14cb1d2d980a8781cec21e6a9c
author Tony Wickham <twickham@google.com> Wed Apr 11 16:58:10 2018 -0700
committer Tony Wickham <twickham@google.com> Wed Apr 11 16:58:10 2018 -0700
tree 0563f1ccba9d8cf36199c788dfc388f04409424d
parent e833bf3ef567a072cf26b0711085c1b8d6d89175

Don't allow swiping down from overview in fallback recents

Bug: 77921295
Change-Id: I5a374bed865f03a715cb852e99c86c6e2e119273

quickstep/src/com/android/launcher3/uioverrides/PortraitStatesTouchController.java

diff --git a/quickstep/src/com/android/launcher3/uioverrides/PortraitStatesTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/PortraitStatesTouchController.java
index 012b545..9f21a95 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/PortraitStatesTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/PortraitStatesTouchController.java
@@ -131,7 +131,9 @@
             directionsToDetectScroll = SwipeDetector.DIRECTION_POSITIVE;
             mStartContainerType = ContainerType.HOTSEAT;
         } else if (mLauncher.isInState(OVERVIEW)) {
-            directionsToDetectScroll = SwipeDetector.DIRECTION_BOTH;
+            boolean canSwipeDownFromOverview = getTargetState(OVERVIEW, false) != OVERVIEW;
+            directionsToDetectScroll = canSwipeDownFromOverview ? SwipeDetector.DIRECTION_BOTH
+                    : SwipeDetector.DIRECTION_POSITIVE;
             mStartContainerType = ContainerType.TASKSWITCHER;
         } else {
             return 0;