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public PictureCallback jpegCallback = new PictureCallback(){

@Override
public void onPictureTaken(byte[] data, Camera camera) {
// TODO Auto-generated method stub
FileOutputStream fos = null;
try {

String file = android.os.Environment.getExternalStorageDirectory() + "/" + System.currentTimeMillis();
fos = new FileOutputStream(file + ".jpg");
fos.write(data);
fos.flush();
fos.close();

Bitmap jpg = BitmapFactory.decodeFile(file + ".jpg");
Bitmap bmp = Bitmap.createBitmap(camera.getParameters().getPreviewSize().width, camera.getParameters().getPreviewSize().height, Config.ARGB_8888);



Paint p = new Paint();
p.setColor(Color.YELLOW);
Canvas canvas = new Canvas(bmp);

canvas.drawBitmap(jpg, 0, 0, null);


canvas.drawCircle(camera.getParameters().getPreviewSize().width / 2, camera.getParameters().getPreviewSize().height / 2, 20 , p);
//canvas.drawLine(0, 0, 50, 50, new Paint());
canvas.save();
FileOutputStream os = new FileOutputStream(file + ".new.jpg");
bmp.compress(CompressFormat.JPEG, 90, os);
os.flush();
os.close();

} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}};