Cant Use Getref()?

Can anyone explain why this is saying I can not use getRef to get the position that is being clicked? From everything I have looked up, this should work and for some reason it is n

Solution 1:

You've declared restaurantListAdapter as a ListAdapter. Even when you put a FirebaseListAdapter object into that field, you can only access method that are defined on ListAdapter.

The solution is to also declare the field as a FirebaseListAdapter:

FirebaseListAdapter restaurantListAdapter;