1 /* 2 * Copyright (C) 2012 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.launcher2; 18 19 import android.animation.Animator; 20 import android.animation.AnimatorSet; 21 import android.animation.ObjectAnimator; 22 import android.animation.PropertyValuesHolder; 23 import android.animation.ValueAnimator; 24 25 import java.util.HashSet; 26 27 public class LauncherAnimUtils { 28 static HashSet<Animator> sAnimators = new HashSet<Animator>(); 29 static Animator.AnimatorListener sEndAnimListener = new Animator.AnimatorListener() { 30 public void onAnimationStart(Animator animation) { 31 } 32 33 public void onAnimationRepeat(Animator animation) { 34 } 35 36 public void onAnimationEnd(Animator animation) { 37 sAnimators.remove(animation); 38 } 39 40 public void onAnimationCancel(Animator animation) { 41 sAnimators.remove(animation); 42 } 43 }; 44 cancelOnDestroyActivity(Animator a)45 public static void cancelOnDestroyActivity(Animator a) { 46 sAnimators.add(a); 47 a.addListener(sEndAnimListener); 48 } 49 onDestroyActivity()50 public static void onDestroyActivity() { 51 HashSet<Animator> animators = new HashSet<Animator>(sAnimators); 52 for (Animator a : animators) { 53 if (a.isRunning()) { 54 a.cancel(); 55 } else { 56 sAnimators.remove(a); 57 } 58 } 59 } 60 createAnimatorSet()61 public static AnimatorSet createAnimatorSet() { 62 AnimatorSet anim = new AnimatorSet(); 63 cancelOnDestroyActivity(anim); 64 return anim; 65 } 66 ofFloat(float... values)67 public static ValueAnimator ofFloat(float... values) { 68 ValueAnimator anim = new ValueAnimator(); 69 anim.setFloatValues(values); 70 cancelOnDestroyActivity(anim); 71 return anim; 72 } 73 ofFloat(Object target, String propertyName, float... values)74 public static ObjectAnimator ofFloat(Object target, String propertyName, float... values) { 75 ObjectAnimator anim = new ObjectAnimator(); 76 anim.setTarget(target); 77 anim.setPropertyName(propertyName); 78 anim.setFloatValues(values); 79 cancelOnDestroyActivity(anim); 80 return anim; 81 } 82 ofPropertyValuesHolder(Object target, PropertyValuesHolder... values)83 public static ObjectAnimator ofPropertyValuesHolder(Object target, 84 PropertyValuesHolder... values) { 85 ObjectAnimator anim = new ObjectAnimator(); 86 anim.setTarget(target); 87 anim.setValues(values); 88 cancelOnDestroyActivity(anim); 89 return anim; 90 } 91 } 92