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Managing State in Flutter Using BLoC Pattern

Integrating BLoC in the UI

Explore how to integrate BLoC into your Flutter app's UI using the flutter_bloc library. Learn to use BlocProvider, BlocBuilder, and other widgets to manage application state effectively across your app's widgets. This lesson guides you through implementing state-driven UI updates and event handling to build interactive features like liking items, all tied closely to BLoC patterns.

We'll cover the following...

In previous lessons, we learned how to create BLoCs for our Flutter application. Now, it’s time to take the next step and integrate them into our UI. For this purpose, we’ll use the flutter_bloc library’s widgets, which will help us to connect our BLoCs to our UI with ease.

The following four widgets will use different widgets from the flutter_bloc library:

  • App widget

  • HomeScreen widget

  • LikeButton widget

  • LikesScreen widget

Let’s dive into each widget and see how it uses widgets from the flutter_bloc library:

The App widget

The App widget is located at the top of our widget screen. Since we want our BLoC state to be available to all widgets in the app, it makes sense to add a ...