What is Bloc listener in Flutter?

BlocListener is a Flutter widget which takes a BlocWidgetListener and an optional bloc and invokes the listener in response to state changes in the bloc . It should be used for functionality that needs to occur once per state change such as navigation, showing a SnackBar , showing a Dialog , etc…

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What is Cubit in Flutter BLoC?

Cubit: As we know, cubit is not event-driven . We call functions (like actions) to send these “states”, so we can track which state were emitted and not events because here there are not events. We can track state overriding the “onChange” function; another way is using a BLoC observer.

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What is a BLoC event?

Bloc is similar to Cubit , but it uses events to do all its work . Like Cubit , the state is held in the Bloc , then to change or add new state, events are added to the Bloc . When an event is added to the Bloc , the onEvent method is called. After this onEvent method is called, a transform events method is called.

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