I am using the new android.support.design.widget.BottomNavigationView from the support library.
How can I set the current selection from code? I realized, that
Add android:enabled="true" to BottomNavigationMenu Items.
And then set bottomNavigationView.setOnNavigationItemSelectedListener(mListener) and
set it as selected by doing bottomNavigationView.selectedItemId = R.id.your_menu_id