Android Media 音乐属性

public interface Public {
public static final Uri URI_MUSICS = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
public static final String MUSIC_ID = MediaStore.Audio.Media._ID;
public static final String MUSIC_TITLE = MediaStore.Audio.Media.TITLE;
public static final String MUSIC_ARTISTID = MediaStore.Audio.Media.ARTIST_ID;
public static final String MUSIC_ARTISTNAME = MediaStore.Audio.Media.ARTIST;
public static final String MUSIC_ALBUMID = MediaStore.Audio.Media.ALBUM_ID;
public static final String MUSIC_ALBUMNAME = MediaStore.Audio.Media.ALBUM;
public static final String MUSIC_PATH = MediaStore.Audio.Media.DATA;
public static final String MUSIC_DURATION = MediaStore.Audio.Media.DURATION;
public static final String MUSIC_SIZE = MediaStore.Audio.Media.SIZE;
public static final String MUSIC_DISPLAYNAME = MediaStore.Audio.Media.DISPLAY_NAME;
public static final String[] PROJECTIONS_MUSICS = {
MediaStore.Audio.Media._ID,
MediaStore.Audio.Media.TITLE,
MediaStore.Audio.Media.ARTIST_ID,
MediaStore.Audio.Media.ARTIST,
MediaStore.Audio.Media.ALBUM_ID,
MediaStore.Audio.Media.ALBUM,
MediaStore.Audio.Media.DATA,
MediaStore.Audio.Media.DURATION,
MediaStore.Audio.Media.SIZE,
MediaStore.Audio.Media.DISPLAY_NAME
};
public static final Uri URI_ARTIST = MediaStore.Audio.Artists.EXTERNAL_CONTENT_URI;
public static final String ARTIST_ID = MediaStore.Audio.Artists._ID;
public static final String ARTIST_NAME = MediaStore.Audio.Artists.ARTIST;
public static final String ARTIST_TRACKSNUM = MediaStore.Audio.Artists.NUMBER_OF_TRACKS;
public static final String ARTIST_ALBUMSNUM = MediaStore.Audio.Artists.NUMBER_OF_ALBUMS;
public static final String[] PROJECTIONS_ARTISTS = {
MediaStore.Audio.Artists._ID,
MediaStore.Audio.Artists.ARTIST,
MediaStore.Audio.Artists.NUMBER_OF_TRACKS,
MediaStore.Audio.Artists.NUMBER_OF_ALBUMS
};
public static final Uri URI_ALBUM = MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI;
public static final String ALBUM_ID = MediaStore.Audio.Albums._ID;
public static final String ALBUM_NAME = MediaStore.Audio.Albums.ALBUM;
public static final String ALBUM_SONGSNUM = MediaStore.Audio.Albums.NUMBER_OF_SONGS;
public static final String[] PROJECTIONS_ALBUMS = {
MediaStore.Audio.Albums._ID,
MediaStore.Audio.Albums.ALBUM,
MediaStore.Audio.Albums.NUMBER_OF_SONGS
};
}