Fix swipe thresholds not being propagated.

The race is the same one that caused b/220709601

Bug: 227483349
Test: atest BackAnimationControllerTest
Test: Enable back animation flag and test swipe to home animation on P22
device.

Change-Id: I251787cb1ccd1593da4f973894e9845ee58c6244

1 files changed, 8 insertions, 3 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/NavigationBarEdgePanel.java b/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/NavigationBarEdgePanel.java
index a1258df7a12c..5e65a5a78333 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/NavigationBarEdgePanel.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/gestural/NavigationBarEdgePanel.java
@@ -360,9 +360,7 @@ public class NavigationBarEdgePanel extends View implements NavigationEdgeBackPl
                 .getDimension(R.dimen.navigation_edge_action_drag_threshold);
         mSwipeProgressThreshold = context.getResources()
                 .getDimension(R.dimen.navigation_edge_action_progress_threshold);
-        if (mBackAnimation != null) {
-            mBackAnimation.setSwipeThresholds(mSwipeTriggerThreshold, mSwipeProgressThreshold);
-        }
+        initializeBackAnimation();
 
         setVisibility(GONE);
         Executor backgroundExecutor = Dependency.get(Dependency.BACKGROUND_EXECUTOR);
@@ -391,6 +389,13 @@ public class NavigationBarEdgePanel extends View implements NavigationEdgeBackPl
 
     public void setBackAnimation(BackAnimation backAnimation) {
         mBackAnimation = backAnimation;
+        initializeBackAnimation();
+    }
+
+    private void initializeBackAnimation() {
+        if (mBackAnimation != null) {
+            mBackAnimation.setSwipeThresholds(mSwipeTriggerThreshold, mSwipeProgressThreshold);
+        }
     }
 
     @Override