ios - Login with facebook button with Parse -

ios - Login with facebook button with Parse -

i'm working on app uses parse backend, , i've implemented facebook login next parse's tutorial. not using pfloginviewcontroller provided parse, login method calls pffacebookutils class. implementation works well.

what need 'login facebook' button. since i'm not using loginviewcontroller, can't utilize loginview property give me button. nor can utilize fbloginview facebook sdk view neither surfaces button nor allows 1 override method called when button clicked.

what best way extract button existing sdks - either parse or facebook - button visually date?

ios parse.com facebook-login