From 84bc184e38424cc61bd422a8f7f2a8a388f8959a Mon Sep 17 00:00:00 2001
From: Lyn Han <lynhan@google.com>
Date: Wed, 17 Feb 2021 16:17:34 -0600
Subject: [PATCH] Tighten bubble chain when dragging collapsed stack

Bug: 168646300
Test: have 5 bubbles in collapsed stack
    => drag fast and see that longest chain length is reduced
Change-Id: I5116409fcca6af62f93eecdb45d910f93a42c358
---
 .../wm/shell/bubbles/animation/StackAnimationController.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/StackAnimationController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/StackAnimationController.java
index 73371e7eff20..56fe126f507e 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/StackAnimationController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/animation/StackAnimationController.java
@@ -75,7 +75,7 @@ public class StackAnimationController extends
      */
     public static final int SPRING_TO_TOUCH_STIFFNESS = 12000;
     public static final float IME_ANIMATION_STIFFNESS = SpringForce.STIFFNESS_LOW;
-    private static final int CHAIN_STIFFNESS = 600;
+    private static final int CHAIN_STIFFNESS = 800;
     public static final float DEFAULT_BOUNCINESS = 0.9f;
 
     private final PhysicsAnimator.SpringConfig mAnimateOutSpringConfig =
-- 
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