Up navigation
We're currently treating the "up" action in the action bar as equivalent to the "back" action. Instead it should navigate to the current activity's parent.
https://developer.android.com/training/implementing-navigation/ancestral.html
We're currently treating the "up" action in the action bar as equivalent to the "back" action. Instead it should navigate to the current activity's parent.
https://developer.android.com/training/implementing-navigation/ancestral.html