@Override
        protected Bitmap doInBackground(String... params) {
            int count;
            try {

                URL url = new URL(params[0]);
                URLConnection connect = url.openConnection();
                connect.connect();

                int lengthOfFile = connect.getContentLength();
                input = new BufferedInputStream(url.openStream());
                output = new FileOutputStream("sdcard/downloaded_photo.jpg");


                byte data[] = new byte[1024];

                long total = 0;

                while ((count = input.read(data)) != -1) {
                    Thread.sleep(100);
                    total += count;
                    publishProgress("" + (int) ((total * 100) / lengthOfFile));
                    output.write(data, 0, count);

                }