Facebook stop working on beta10

Hello all, my app simply stop working with facebook native after updated to Ionic2 Beta10.
Anyone have the same problem?

Ops… working now…

can you tell me the procedure of how to integrate Facebook login in ionic 2.
i tried it using cordova Facebook-native login. but given uncaught promise error to return object.
i am very new to Angular 2 and ionic 2
Thanks