Tune app closing/launcher resume animation "spring" values.

Bug: 109828964
Change-Id: I64252667451f511b7affdde5ffb28812876e7f4c

1 files changed, 5 insertions, 3 deletions

diff --git a/src/com/android/launcher3/anim/Interpolators.java b/src/com/android/launcher3/anim/Interpolators.java
index 8a1abf412..389da4807 100644
--- a/src/com/android/launcher3/anim/Interpolators.java
+++ b/src/com/android/launcher3/anim/Interpolators.java
@@ -119,18 +119,20 @@ public class Interpolators {
     public static final Interpolator OSCILLATE = new Interpolator() {
 
         // Used to scale the oscillations horizontally
-        private final float horizontalScale = 1f;
+        private final float horizontalScale = 4f;
         // Used to shift the oscillations horizontally
-        private final float horizontalShift = 0.5f;
+        private final float horizontalShift = 0.22f;
         // Used to scale the oscillations vertically
         private final float verticalScale = 1f;
         // Used to shift the oscillations vertically
         private final float verticalShift = 1f;
+        // Amplitude of oscillation
+        private final float amplitude = 0.9f;
 
         @Override
         public float getInterpolation(float t) {
             t = horizontalScale * (t + horizontalShift);
-            return (float) ((verticalScale * (Math.exp(-t) * Math.cos(2 * Math.PI * t)))
+            return (float) ((verticalScale * (Math.exp(-t) * Math.cos(amplitude * Math.PI * t)))
                     + verticalShift);
         }
     };