2020年7月28日 · So, we can use Cubit for simple states, and as needed we can use the Bloc. UPDATE: additional comparison. There are many advantages of choosing Cubit over Bloc. The two main benefits are: Cubit is a subset of Bloc; so, it reduces complexity. Cubit eliminates the event classes. Cubit uses emit rather than yield to emit state.

2019年1月9日 · Navigating with Bloc in Flutter can indeed seem a bit tricky at first, especially if you're trying to adhere strictly to architectural principles. In Bloc architecture, the idea is to keep the Bloc focused on business logic and state management, while delegating UI-related actions, such as navigation, to the widgets or the UI layer.

2020年10月22日 · when you have already created a bloc in a different BlocProvider and you just want that same bloc to be available somewhere else in the widget tree. I'm assuming that because this bloc wasn't created by the BlocProvider you're currently using (with BlocProvider.value) it won't handle closing the bloc - that will be done by the original ...

2020年1月7日 · I want to share BLoC between 2 screens of pageview control without any plugin. 1st and 2nd tab for product and cart concept. I've initiate BloCProvider on a root of PageView widget and accessing bloc in tab1 and tab2 screen. But …

2020年6月29日 · Actually if you need this bloc only in bottom sheet and nowhere else, the better and cleaner solution is create the StatefullWidget for bottom sheet content, create the Bloc inside this widget in initState() work with bloc in build() method and free resources in dispose() method.

2019年12月5日 · Here is an excellent summary of the why. And it makes complete sense. This is from the BLoC documentation, where they detail a weather app tutorial that uses a Repository layer (see here for the full article). "The goal of our repository layer is to abstract our data layer and facilitate communication with the bloc layer.

2022年2月11日 · @rahulshalgar yes, I found the solutions.Actually there are couple of ways of achieving multiple state from the same bloc.You can use buildwhen property of bloc builder to decide when to build the widget or you can use copy of bloc to emit different states and managing the state based on bloc you are emitting the state.

2021年12月6日 · In my flutter app, I use flutter_bloc for state management. The bloc in question uses a repository. The repository subscribes to a websocket, and new data is added to a stream. Problem: My bloc listens to the stream:

2020年4月21日 · Bloc will never change If the state didn't change, you might be confused that you assigned a state, but the fact is that Bloc is a Stream, you'll need to yield a state instead of assigning It directly. Hopefully, you had implemented a copyWith, so you could do It as below: yield state.copyWith(articles: articles)

2021年10月5日 · BlocBuilder helps update a widget whenever the overall state of a BLoC changes, and buildWhen lets you decide if the widget should update based on specific conditions. BlocSelector is for updating a widget when only a certain part of the BLoC state changes.