Android SDK Version
facebook Reference

public class CallbackManagerImpl.Companion
Field Summary
Modifier and TypeFieldDescription
public final static CallbackManagerImpl.CompanionINSTANCE
Method Summary
Modifier and TypeMethodDescription
final UnitregisterStaticCallback(Integer requestCode, CallbackManagerImpl.Callback callback) If there is no explicit callback, but we still need to call the Facebook component, because it's going to update some state, e.g., login, like.
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Method Detail

registerStaticCallback

@Synchronized() final UnitregisterStaticCallback(Integer requestCode, CallbackManagerImpl.Callback callback)
If there is no explicit callback, but we still need to call the Facebook component, because it's going to update some state, e.g., login, like. Then we should register a static callback that can still handle the response.
Parameters:
requestCode - The request code.
callback - The callback for the feature.