我想访问Android手机(而非SD卡)中的音乐库,在列表中显示.我想获取与每个文件相关的所有信息,例如时长,艺术家等.我该如何编程呢?
解决方法:
private void musics(){
Uri uri = MediaStore.Audio.Media.INTERNAL_CONTENT_URI;
ContentResolver cr = getContentResolver();
String[] columns = {MediaStore.Audio.Media.disPLAY_NAME};//add which column you need here
Cursor cursor = cr.query(uri, columns, null, null, null);
if(cursor == null){
return;
}
if(cursor.getCount() > 0){
cursor.movetoFirst();
do{
//read your information here
String artist = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.disPLAY_NAME));
}while(cursor.movetoNext());
}
cursor.close();
}