message: Handled when content changes before displayed
  In Twitter example, changed the content of All tab in Notifications after 4 seconds, but didn't switch to Notifications until > 4 seconds. The All tab showed blank!? Not sure why, it just didn't render. So manually triggered an update
diff: @@ -76,6 +76,7 @@ public class TabBarPagerView extends ViewPager implements TabBarItemView.ChangeL
  layout(getLeft(), getTop(), getRight(), getBottom());
  measured = true;
  }
  + getAdapter().notifyDataSetChanged();
  }
  void populateTabs() {
  