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…
Read moreWhat are Bloc events?
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.
Read moreWhat is BlocSupervisor?
BlocSupervisor oversees Bloc s and delegates to BlocDelegate . BlocDelegate handles events from all Bloc s which are delegated by the BlocSupervisor . Can be used to intercept all Bloc events, transitions, and errors. It is a great way to handle logging/analytics as well as error handling universally.
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