Loading images with AsyncTask p2

private class DownloadImageTask extends AsyncTask<String, Void, Bitmap> {
    ImageView bmImage;
    public DownloadImageTask(ImageView bmImage) {
        this.bmImage = bmImage;
    }

    protected Bitmap doInBackground(String... urls) {
        String urldisplay = urls[0];
        Bitmap bmp = null;
        try {
            InputStream in = new java.net.URL(urldisplay).openStream();
            bmp = BitmapFactory.decodeStream(in);
        } catch (Exception e) {
            Log.e("Error", e.getMessage());
            e.printStackTrace();
        }
        return bmp;
    }
    protected void onPostExecute(Bitmap result) {
        bmImage.setImageBitmap(result);
    }
}