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.
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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. |