BlocBuilder. BlocBuilder is a Flutter widget which requires a bloc and a builder function . BlocBuilder handles building the widget in response to new states. BlocBuilder is very similar to StreamBuilder but has a more simple API to reduce the amount of boilerplate code needed.
Read moreWhat is a cubit in BLoC?
A Cubit is similar to Bloc but has no notion of events and relies on methods to emit new states . Every Cubit requires an initial state which will be the state of the Cubit before emit has been called. The current state of a Cubit can be accessed via the state getter.
Read moreWhat is BLoC used for?
What is Bloc? 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 .
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.
Read moreWhat is a BLoC state?
What is BLoC? Business logic components (BLoC) allow you to separate the business logic from the UI . Writing code in BLoC makes it easier to write and reuse tests. In simple terms, BLoC accepts a stream of events, processes the data based on events, and produces the output as states.
Read moreShould I use BLoC or cubit?
Blocs are more verbose than Cubits . Additional boilerplate — shown in the example below — is needed for states and events. But, in my opinion, this is a price worth paying. In the long run, traceability is a precondition for the manageability of your app.
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