private void updateReminders() {
    if (prefs.getBoolean(PrefsActivity.PREF_SHOW_SCHEDULE_REMINDERS, false)) {
      DbHelper db = DbHelper.getInstance(OppiaMobileActivity.this);
      int max = Integer.valueOf(prefs.getString(PrefsActivity.PREF_NO_SCHEDULE_REMINDERS, "2"));
      long userId = db.getUserId(SessionManager.getUsername(this));
      ArrayList<Activity> activities = db.getActivitiesDue(max, userId);

      this.drawReminders(activities);
    } else {
      LinearLayout ll = (LinearLayout) findViewById(R.id.schedule_reminders);
      ll.setVisibility(View.GONE);
    }
  }