在ImageView中加载SD卡上的图片资源
public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button btn = (Button)findViewById(R.id.btn_b); btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { ImageView view = (ImageView)findViewById(R.id.imgView); String img = "/mnt/extsd/11.png"; BitmapFactory.Options options = new BitmapFactory.Options(); options.inSampleSize = 2; Log.i("chen", "============options======="+options); Bitmap bm = BitmapFactory.decodeFile(img, options); view.setImageBitmap(bm); } }); }