//?獲得所有的歌曲
?
????????final?File?music?=?Environment
????????????????.getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC);
????????Log.i("directory",
????????????????"getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC)"
????????????????????????+?Environment.getExternalStoragePublicDirectory(
????????????????????????????????Environment.DIRECTORY_MUSIC).toString());??????????????????????????
musics?=?music.listFiles();
????????for?(File?item?:?musics)?{
????????????Log.d("歌曲的位置",?"=====>"?+?item);
????????}
//12-01?09:05:40.655:?D/歌曲的位置(3658):?=====>/storage/emulated/0/Music/????????.mp3