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 package com.android.messaging.ui; 17 18 /** 19 * An interface for a UI element ("View") that reflects the playback state of a piece of media 20 * content. It needs to support the ability to take common playback commands (play, pause, stop, 21 * restart) and reflect the state in UI (through timer or progress bar etc.) 22 */ 23 public interface PlaybackStateView { 24 /** 25 * Restart the playback. 26 */ 27 void restart(); 28 29 /** 30 * Reset ("stop") the playback to the starting position. 31 */ 32 void reset(); 33 34 /** 35 * Resume the playback, or start it if it hasn't been started yet. 36 */ 37 void resume(); 38 39 /** 40 * Pause the playback. 41 */ 42 void pause(); 43 } 44
