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BlocBuilder and BlocSelector

BlocBuilder and BlocSelector

Learn about BlocBuilder and BlocSelector and how they are used by widgets to listen to state changes.

The BlocBuilder widget

Remember how we used StreamBuilder to listen to BLoC changes when we implemented BLoC ourselves? The BlocBuilder widget is used to simplify and clean up the StreamBuilder to fit the BLoC needs.

Usage

Two parameters are needed for the BlocBuilder widget: bloc and ...