// Update the information displayed to the user.
        inBackground task = new inBackground ();
        task.execute ();
    }

    private class inBackground extends AsyncTask<String, Void, Event> {
        protected Event doInBackground(String... urls) {
            // Don't perform the request if there are no URLs, or the first URL is null.
            if (urls.length < 1 || urls[0] == null) {
                return null;
            }
            Event earthquake = Utils.fetchEarthquakeData (urls[0]);
            return earthquake;
        }
        protected void onPostExecute(Event earthquake) {
            //metoda na Ui thread---izvsavamo posle updatea
            updateUi (earthquake);
        }
    }