1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.launcher3.anim; 18 19 import android.animation.Animator; 20 import android.animation.AnimatorListenerAdapter; 21 import android.animation.ObjectAnimator; 22 import android.util.Property; 23 24 /** 25 * An AnimatorListener that sets the given property to the given value at the end of the animation. 26 */ 27 public class PropertyResetListener<T, V> extends AnimatorListenerAdapter { 28 29 private Property<T, V> mPropertyToReset; 30 private V mResetToValue; 31 32 public PropertyResetListener(Property<T, V> propertyToReset, V resetToValue) { 33 mPropertyToReset = propertyToReset; 34 mResetToValue = resetToValue; 35 } 36 37 @Override 38 public void onAnimationEnd(Animator animation) { 39 mPropertyToReset.set((T) ((ObjectAnimator) animation).getTarget(), mResetToValue); 40 } 41 } 42
