1 /* 2 * Copyright (C) 2015 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 android.support.wearable.view; 18 19 import android.animation.Animator; 20 import android.annotation.TargetApi; 21 import android.os.Build; 22 23 /** 24 * Convenience class for listening for Animator events that implements the AnimatorListener 25 * interface and allows extending only methods that are necessary. 26 */ 27 @TargetApi(Build.VERSION_CODES.KITKAT_WATCH) 28 public class SimpleAnimatorListener implements Animator.AnimatorListener { 29 30 private boolean mWasCanceled; 31 32 @Override 33 public void onAnimationCancel(Animator animator) { 34 mWasCanceled = true; 35 } 36 37 @Override 38 public void onAnimationEnd(Animator animator) { 39 if (!mWasCanceled) { 40 onAnimationComplete(animator); 41 } 42 } 43 44 @Override 45 public void onAnimationRepeat(Animator animator) { 46 } 47 48 @Override 49 public void onAnimationStart(Animator animator) { 50 mWasCanceled = false; 51 } 52 53 /** 54 * Called when the animation finishes. Not called if the animation was canceled. 55 */ 56 public void onAnimationComplete(Animator animator) { 57 } 58 59 /** 60 * Provides information if the animation was cancelled. 61 * @return True if animation was cancelled. 62 */ 63 public boolean wasCanceled() { 64 return mWasCanceled; 65 } 66 67 } 68