login with FB SDK

General
1

is there a way to make loginWithFBSDK() with existing fb Access tokken (Android SDK)

2

Hello!
No, there is no such API. However, you can look through implementation on github, here is a place where access token is used inside SDK (line 72): https://github.com/Backendless/Android-SDK/blob/master/src/com/backendless/UserServiceAndroidExtra.java
regards,
Alex