/RockLock/src/com/marvin/rocklock/SongPicker.java
Java | 55 lines | 17 code | 16 blank | 22 comment | 0 complexity | b50f11775c947a1f3859b9e4f6e14b8d MD5 | raw file
1/* 2 * Copyright (C) 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 17package com.marvin.rocklock; 18 19/** 20 * Interface for traversing through the songs on the device. Individual 21 * implementations can handle traversal differently - for example, traversal 22 * through tagged content vs directory structure vs playlists. 23 * 24 * @author clchen@google.com (Charles L. Chen) 25 */ 26public interface SongPicker { 27 28 public String peekNextArtist(); 29 30 public String peekPrevArtist(); 31 32 public String goNextArtist(); 33 34 public String goPrevArtist(); 35 36 public String peekNextAlbum(); 37 38 public String goNextAlbum(); 39 40 public String peekPrevAlbum(); 41 42 public String goPrevAlbum(); 43 44 public String peekNextTrack(); 45 46 public String goNextTrack(); 47 48 public String peekPrevTrack(); 49 50 public String goPrevTrack(); 51 52 public String getCurrentSongFile(); 53 54 public String getCurrentSongInfo(); 55}