i want to ask about android as client
i make application android for user
as usual user, from that client user can check the price or bought item
i make this client for buying and sell application, the server is website for update item, update price.
the problem is, i want to make, admin can login from client too, not from website only
admin have different view, can update from client too, usual user cant
what codes make diferrent between user and admin