Using an AsyncTask to download a Twitter stream

MainActivity.java

	// Uses an AsyncTask to download a Twitter user's timeline
	private class DownloadTwitterTask extends AsyncTask<String, Void, String> {
		final static String CONSUMER_KEY = "MY CONSUMER KEY";
		final static String CONSUMER_SECRET = "MY CONSUMER SECRET";
		final static String TwitterTokenURL = "https://api.twitter.com/oauth2/token";
		final static String TwitterStreamURL = "https://api.twitter.com/1.1/statuses/user_timeline.json?screen_name=";

		@Override
		protected String doInBackground(String... screenNames) {
			String result = null;

			if (screenNames.length > 0) {
				result = getTwitterStream(screenNames[0]);
			}
			return result;
		}

		// onPostExecute convert the JSON results into a Twitter object (which is an Array list of tweets
		@Override
		protected void onPostExecute(String result) {
			Twitter twits = jsonToTwitter(result);

			// lets write the results to the console as well
			for (Tweet tweet : twits) {
				Log.i(LOG_TAG, tweet.getText());
			}

			// send the tweets to the adapter for rendering
			ArrayAdapter<Tweet> adapter = new ArrayAdapter<Tweet>(activity, android.R.layout.simple_list_item_1, twits);
			setListAdapter(adapter);
		}