读取音乐+图片

public class MainActivity extends Activity {

    private ContentResolver resolver;
    private List<Bean> list=new ArrayList<Bean>();
    private ListView lv;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        resolver = getContentResolver();
        aa();
        lv = (ListView) findViewById(R.id.listview);
        lv.setAdapter(new My());
        
        
    }
    class My extends BaseAdapter{

        private ImageView image;
        private TextView tv;

        @Override
        public int getCount() {
            // TODO Auto-generated method stub
            return list.size();
        }

        @Override
        public Object getItem(int position) {
            // TODO Auto-generated method stub
            return null;
        }

        @Override
        public long getItemId(int position) {
            // TODO Auto-generated method stub
            return 0;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            // TODO Auto-generated method stub
            convertView=View.inflate(MainActivity.this, R.layout.item,null);
            image = (ImageView) convertView.findViewById(R.id.imge);
            tv = (TextView) convertView.findViewById(R.id.tv);
            String path=list.get(position).name;
            Bitmap bit=BitmapFactory.decodeFile(path);
            image.setImageBitmap(bit);
            tv.setText(list.get(position).path);
            return convertView;
        }
        
    }

    public void aa(){
        Uri uri=MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
        Cursor query = resolver.query(uri,null,null,null,null);
        while(query.moveToNext()){
              String name=query.getString(query.getColumnIndex(MediaStore.Images.Media.DATA));
              String path=query.getString(query.getColumnIndex(MediaStore.Images.Media.DISPLAY_NAME));
              Bean b=new Bean();
              b.name=name;
              b.path=path;
              list.add(b);
        }
    }

}