private final static String ANALYTICS_PROPERTY_ID = "UA-42710658-18";

/**
   * Enum used to identify the tracker that needs to be used for tracking.
   *
   * A single tracker is usually enough for most purposes. In case you do need multiple trackers,
   * storing them all in Application object helps ensure that they are created only once per
   * application instance.
   */
  public enum TrackerName {
    APP_TRACKER, // Tracker used only in this app.
    GLOBAL_TRACKER, // Tracker used by all the apps from a company. eg: roll-up tracking.
    ECOMMERCE_TRACKER, // Tracker used by all ecommerce transactions from a company.
  }

  HashMap<TrackerName, Tracker> mTrackers = new HashMap<TrackerName, Tracker>();

synchronized Tracker getTracker(TrackerName trackerId) {
    if (!mTrackers.containsKey(trackerId)) {

      GoogleAnalytics analytics = GoogleAnalytics.getInstance(this);
      Tracker t = (trackerId == TrackerName.APP_TRACKER) ? analytics.newTracker(PROPERTY_ID)
          : (trackerId == TrackerName.GLOBAL_TRACKER) ? analytics.newTracker(R.xml.global_tracker)
              : analytics.newTracker(R.xml.ecommerce_tracker);
      mTrackers.put(trackerId, t);

    }
    return mTrackers.get(trackerId);
  }

// Get tracker.
        Tracker t = ((AnalyticsSampleApp) getActivity().getApplication()).getTracker(
            TrackerName.APP_TRACKER);

        // Set screen name.
        // Where path is a String representing the screen name.
        t.setScreenName(path);

        // Send a screen view.
        t.send(new HitBuilders.AppViewBuilder().build());