EventListener

public interface EventListener

An interface for event listeners.

Public Method Summary

abstract void
onEvent(T value, FirebaseFirestoreException error)
onEvent will be called with the new value or the error if an error occurred.

Public Methods

public abstract void onEvent (T value, FirebaseFirestoreException error)

onEvent will be called with the new value or the error if an error occurred. It's guaranteed that exactly one of value or error will be non-null.

Parameters
value The value of the event. null if there was an error.
error The error if there was error. null otherwise.

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