How do you use flutter BLoC?

Code Implementation Let’s build a simple app to implement this Bloc pattern. We will create a simple counter app that has two buttons to increment and decrement a number. Start a new Flutter project by typing “flutter create [project_name]” in the console. Create BlocCounter class in counter_bloc.

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What is widget test in Flutter?

The widget test is testing UI components , so it is also called Component Testing. It is used to test a single widget. The main goal of widget testing is to check whether the widget works as expected. A user can write test cases for every widget present in the project.20 Ağu 2021

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What does widget do in Flutter?

Widgets are the central class hierarchy in the Flutter framework. A widget is an immutable description of part of a user interface . Widgets can be inflated into elements, which manage the underlying render tree. Widgets themselves have no mutable state (all their fields must be final).

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