dounloading an image from server and save it in file

download an image from server

Here arg[0] --> is the image url that we have to pass to this asynctask as parameter.

public class DownloadImage extends AsyncTask<String, Integer, Bitmap> {
	
	@Override
	protected void onPreExecute() {
		super.onPreExecute();

	}

	@Override
	protected Bitmap doInBackground(String... arg0) {
		return downloadImage(arg0[0]);
	}

	protected void onPostExecute(Bitmap image) {
		if (image != null) {
			SaveImage(image);
			System.out.println("bitmap path: "+image);
		} else {
			Toast.makeText(getApplicationContext(), "Couldn't get profile pic from your facebook", 1000).show();
		}
		loadServiceToRegisterWithFb(fullname, facebookId, name, email, gender, longi, lati, dev_type, dev_id);
		pd.dismiss();
	}

	private Bitmap downloadImage(String _url) {
		URL url;
		BufferedOutputStream out;
		InputStream in;
		BufferedInputStream buf;
		try {
			url = new URL(_url);
			in = url.openStream();
			buf = new BufferedInputStream(in);
			Bitmap bMap = BitmapFactory.decodeStream(buf);
			if (in != null) {
				in.close();
			}
			if (buf != null) {
				buf.close();
			}
			return bMap;
		} catch (Exception e) {
				Log.e("Error reading file", e.toString());
			}

	return null;
	}
	
}

save image method

private void SaveImage(Bitmap finalBitmap) {  
	File root = new File(Environment.getExternalStorageDirectory()+ "/Our_Choice/" + "prof_image");
	if (!root.exists()) {
		root.mkdirs();
	}
   String fname = "profile_image.jpg";
   File file = new File (root, fname);
   saved_path_fullscreen = file.getAbsolutePath();
   System.out.println("path: "+ saved_path_fullscreen);
   if (file.exists ()) 
   	file.delete (); 
   try {
          FileOutputStream out = new FileOutputStream(file);
          finalBitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);
          out.flush();
          out.close();

   } catch (Exception e) {
          e.printStackTrace();
   }
}