@Override
    public boolean onNavigationItemSelected(final @NonNull MenuItem item) {
        final int id = item.getItemId();

        if (id == getSelectedBottomItemId()) {
            onNavigationItemReselected(item);
            ActivityMixin.overrideTransitionToFade(this);
            return true;
        }
        return onNavigationItemSelectedDefaultBehaviour(item);
    }
@return the menu item id which should be selected
main/src/main/java/cgeo/geocaching/activity/AbstractNavigationBarActivity.java