EventListener

interface EventListener<T>


An interface for event listeners.

Summary

Public functions

Unit
onEvent(value: T?, error: FirebaseFirestoreException?)

onEvent will be called with the new value or the error if an error occurred.

Public functions

onEvent

fun onEvent(value: T?, error: FirebaseFirestoreException?): Unit

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: T?

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

error: FirebaseFirestoreException?

The error if there was error. null otherwise.