1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5  * in compliance with the License. You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the License
10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11  * or implied. See the License for the specific language governing permissions and limitations under
12  * the License.
13  */
14 package androidx.leanback.transition;
15 
16 import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP_PREFIX;
17 
18 import androidx.annotation.RestrictTo;
19 
20 /**
21  * Listeners for transition start and stop.
22  */
23 @RestrictTo(LIBRARY_GROUP_PREFIX)
24 public class TransitionListener {
25 
26     protected Object mImpl;
27 
onTransitionStart(Object transition)28     public void onTransitionStart(Object transition) {
29     }
30 
onTransitionEnd(Object transition)31     public void onTransitionEnd(Object transition) {
32     }
33 
onTransitionCancel(Object transition)34     public void onTransitionCancel(Object transition) {
35     }
36 
onTransitionPause(Object transition)37     public void onTransitionPause(Object transition) {
38     }
39 
onTransitionResume(Object transition)40     public void onTransitionResume(Object transition) {
41     }
42 }
43