ASyncUpload.java

private static class ASyncUpload extends AsyncTask<FileInputStream, Integer, String> {
	private NotificationManager mNotifyManager;
	private NotificationCompat.Builder mBuilder;
	public DocumentUploadAsync(Context ctxt) {
		mNotifyManager =
		        (NotificationManager) ctxt.getSystemService(Context.NOTIFICATION_SERVICE);
		mBuilder = new NotificationCompat.Builder(ctxt);
		mBuilder.setContentTitle("File Upload")
		    .setContentText("Upload in progress");
	}
	
	@Override
	protected void onProgressUpdate(Integer... values) {
		int progress = values[0];
		mBuilder.setProgress(100, (int) progress, false);
		mNotifyManager.notify(6, mBuilder.build());
		if(progress == 100) {
			mBuilder.setContentText("Upload complete").setProgress(0,0,false);
			mNotifyManager.notify(6, mBuilder.build());
		}
	}

	@Override
	protected String doInBackground(FileInputStream... params) {
		FileInputStream fis = params[0];
			byte[] buffer = new byte[1024];
			for (int i=0, length = 0; (length = fis.read(buffer)) > 0; i++) {
				double percentage = 100*((i*1024.0)/fileLength);
				if(i%100 == 0) {
					publishProgress((int)percentage);
				}
				out.write(buffer, 0, length);
				out.flush();
			}
			publishProgress(100);
			out.close();
			Scanner in = new Scanner(uploadConnection.getInputStream());
			json = in.nextLine();
		} catch (ProtocolException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (MalformedURLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return json;
	}

	@Override
	protected void onPostExecute(String result) {
		if (result == null || "".equals(result)) {
			Log.d("asdf", "Result is empty");
		}
		createDocument(result, fileName, work);
		Log.v("asdf", "Document uploaded!");
	}
}