1 /*
2  * Copyright 2018 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.core.view;
18 
19 import android.view.View;
20 
21 /**
22  * This adapter class provides empty implementations of the methods from
23  * {@link ViewPropertyAnimatorListener}. Any custom listener that cares only about a subset of
24  * the methods of this listener can simply subclass this adapter class instead of implementing
25  * the interface directly.
26  */
27 public class ViewPropertyAnimatorListenerAdapter implements ViewPropertyAnimatorListener {
28 
29     /**
30      * {@inheritDoc}
31      */
32     @Override
onAnimationStart(View view)33     public void onAnimationStart(View view) {
34     }
35 
36     /**
37      * {@inheritDoc}
38      */
39     @Override
onAnimationEnd(View view)40     public void onAnimationEnd(View view) {
41     }
42 
43     /**
44      * {@inheritDoc}
45      */
46     @Override
onAnimationCancel(View view)47     public void onAnimationCancel(View view) {
48     }
49 }
50