Cubit in Flutter: A Comprehensive Guide 

Updated 31 October 2023


State management is a critical aspect of building robust and responsive Flutter applications. If you’re looking for an effective and efficient way to handle state in your Flutter projects, Cubit might be the solution you’ve been searching for.
In this comprehensive guide, we’ll take a deep dive into using the Cubit state management package to master state management in Flutter.

Introduction to Cubit

Cubit is a lightweight and powerful state management package designed for Flutter. It follows the BLoC (Business Logic Component) pattern and provides a structured way to handle the application’s state.

Cubit offers a clear separation of concerns, making your code more organized and maintainable. It’s also highly testable, which is crucial for building reliable applications.

Why Choose Cubit?

Before we dive into the details, let’s understand why you might want to use Cubit for state management and why Cubit is gaining popularity among Flutter developers:

You may also check our Flutter app development company page.

Setting Up Cubit

To start using Cubit in your Flutter project, follow these steps:

Step 1: Create a New Flutter Project

Step 2: Add the Cubit Dependency
Open your project’s “pubspec.yaml” file and add the Cubit dependency :

Run flutter pub get to fetch the dependencies.

Step 3: Create a Cubit
Now, you can create a Cubit. Cubits have two main components: states and events.

State: Represents the current state of your application.
Event: Represents an action or event that triggers a state change.

Create a Cubit class by extending the Cubit class and defining your states and events:

Step 4: Use Cubit in Your Widget Now that you have your Cubit, you can use it in your Flutter widgets.

Here’s an example of how to use the CounterCubit in a simple counter app:

In this example, the BlocProvider widget provides the CounterCubit to the CounterScreen widget, and we use BlocBuilder to rebuild the UI when the state changes.

That’s it! You’ve successfully set up Cubit in your Flutter app.🥳🥳


In this guide, we’ve walked through the fundamentals of Cubit, from creating a Cubit class to integrating it into your widgets.

You can also check the Flutter official site for more information regarding Cubit.

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