Improved swipe animation

yuyakaido · yuyakaido · commit 338cb947637c · 2017-09-09T12:01:06.000+09:00
diff --git a/cardstackview/src/main/java/com/yuyakaido/android/cardstackview/CardStackView.java b/cardstackview/src/main/java/com/yuyakaido/android/cardstackview/CardStackView.java
@@ -3,6 +3,7 @@
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
+import android.animation.TimeInterpolator;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.database.DataSetObserver;
@@ -266,6 +267,14 @@ public void performSwipe(SwipeDirection direction, AnimatorSet set, final Animat
             getTopView().setOverlayAlpha(1f);
         }
         set.addListener(listener);
+        set.setInterpolator(new TimeInterpolator() {
+            @Override
+            public float getInterpolation(float input) {
+                CardContainerView view = getTopView();
+                update(view.getPercentX(), view.getPercentY());
+                return input;
+            }
+        });
         set.start();
     }
 
