取得SD卡圖片

public class MainAct extends Activity {

/** Called when the activity is first created. */

private ImageView img;

//SD圖片路徑

private String filepath = "/sdcard/hot.png";

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

img = (ImageView) findViewById(R.id.img);

File file = new File(filepath);

if (file.exists()) {

Bitmap bm = BitmapFactory.decodeFile(filepath);

//將圖片顯示到ImageView中

img.setImageBitmap(bm);

}

}

}