1/*
2 * Copyright (C) 2013 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.v4.media;
18
19/**
20 * A listener for playback changes that can be registered with
21 * {@link TransportController}.
22 */
23public class TransportStateListener {
24    /**
25     * The play state of the transport changed.  Use
26     * {@link android.support.v4.media.TransportController#isPlaying()
27     * TransportController.isPlaying()} to determine the new state.
28     */
29    public void onPlayingChanged(TransportController controller) {
30    }
31
32    /**
33     * The available controls of the transport changed.  Use
34     * {@link TransportController#getTransportControlFlags()}
35     * TransportController.getTransportControlFlags()} to determine the new state.
36     */
37    public void onTransportControlsChanged(TransportController controller) {
38    }
39}
40