@Override
 protected void hideMenu() {
   MainActivity.getInstance()
       .getMainMenu()
       .findItem(R.id.main_activity_menu_action_sync)
       .setVisible(true);
 }
 public void execute() {
   MainActivity.getInstance().synchronize(SyncType.REGULAR);
 }
 public VisitTabContentFactory(TaskVisitEntity visit) {
   _tabs = new HashMap<String, SfsContentView>();
   mTaskVisitEntity = visit;
   MainActivity.getInstance().mCurrentVisit = mTaskVisitEntity;
 }