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 androidx.wear.ble.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
onAnimationCancel(Animator animator)33     public void onAnimationCancel(Animator animator) {
34         mWasCanceled = true;
35     }
36 
37     @Override
onAnimationEnd(Animator animator)38     public void onAnimationEnd(Animator animator) {
39         if (!mWasCanceled) {
40             onAnimationComplete(animator);
41         }
42     }
43 
44     @Override
onAnimationRepeat(Animator animator)45     public void onAnimationRepeat(Animator animator) {
46     }
47 
48     @Override
onAnimationStart(Animator animator)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      */
onAnimationComplete(Animator animator)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      */
wasCanceled()63     public boolean wasCanceled() {
64         return mWasCanceled;
65     }
66 
67 }
68