1/*
2 * Copyright (C) 2017 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
17package android.support.transition;
18
19import android.support.annotation.NonNull;
20
21/**
22 * This adapter class provides empty implementations of the methods from {@link
23 * Transition.TransitionListener}.
24 * Any custom listener that cares only about a subset of the methods of this listener can
25 * simply subclass this adapter class instead of implementing the interface directly.
26 */
27public class TransitionListenerAdapter implements Transition.TransitionListener {
28
29    @Override
30    public void onTransitionStart(@NonNull Transition transition) {
31    }
32
33    @Override
34    public void onTransitionEnd(@NonNull Transition transition) {
35    }
36
37    @Override
38    public void onTransitionCancel(@NonNull Transition transition) {
39    }
40
41    @Override
42    public void onTransitionPause(@NonNull Transition transition) {
43    }
44
45    @Override
46    public void onTransitionResume(@NonNull Transition transition) {
47    }
48
49}
50