What is a BlocProvider?
BlocProvider is a Flutter widget which provides a bloc to its children via BlocProvider. of<T>(context) . It is used as a dependency injection (DI) widget so that a single instance of a bloc can be provided to multiple widgets within a subtree.
What 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.
What is BLoC design pattern?
Bloc is a design pattern created by Google to help separate business logic from the presentation layer and enable a developer to reuse code more efficiently. ... It helps developers implement the Bloc design pattern in their Flutter application. It means that a developer must know the state of an app at any time.
What 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.
What is the difference between BLoC and Flutter BLoC?
The 'bloc' package contains things you will use in your Bloc layer, like the Bloc class. This isn't necessarily flutter dependent, it is just the logic architecture of your app. The 'flutter bloc' package contains elements you will use in your UI layer.