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Flutter Design Patterns and Best Practices

You're reading from   Flutter Design Patterns and Best Practices Build scalable, maintainable, and production-ready apps using effective architectural principles

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Product type Paperback
Published in Sep 2024
Publisher Packt
ISBN-13 9781801072649
Length 362 pages
Edition 1st Edition
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Authors (3):
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Jaime Blasco Jaime Blasco
Author Profile Icon Jaime Blasco
Jaime Blasco
Daria Orlova Daria Orlova
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Daria Orlova
Esra Kadah Esra Kadah
Author Profile Icon Esra Kadah
Esra Kadah
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Table of Contents (19) Chapters Close

Preface 1. Part 1: Building Delightful User Interfaces
2. Chapter 1: Best Practices for Building UIs with Flutter FREE CHAPTER 3. Chapter 2: Responsive UIs for All Devices 4. Part 2: Connecting UI with Business Logic
5. Chapter 3: Vanilla State Management 6. Chapter 4: State Management Patterns and Their Implementations 7. Chapter 5: Creating Consistent Navigation 8. Part 3: Exploring Practical Design Patterns and Architecture Best Practices
9. Chapter 6: The Responsible Repository Pattern 10. Chapter 7: Implementing the Inversion of Control Principle 11. Chapter 8: Ensuring Scalability and Maintainability with Layered Architecture 12. Chapter 9: Mastering Concurrent Programming in Dart 13. Chapter 10: A Bridge to the Native Side of Development 14. Part 4: Ensuring App Quality and Stability
15. Chapter 11: Unit Tests, Widget Tests, and Mocking Dependencies 16. Chapter 12: Static Code Analysis and Debugging Tools 17. Index 18. Other Books You May Enjoy

Integrating the repository with our business logic

In our pursuit of a well-structured and efficient Flutter app, we’re now at a critical point – integrating our repository into the UI. As you may recall from Chapter 4, we adopted the bloc pattern to manage our app’s state. We’ll now apply the power of our repository to the bloc pattern. This integration brings us one step closer to achieving a clean and maintainable architecture for our Candy Store app.

The ProductsBloc will serve as the bridge between our UI and the repository. This bloc will manage the state related to ProductsPage in our Candy Store app. To set this up, you’ll need to create the ProductsBloc, which will have methods for retrieving and updating product information.

Let’s walk through the steps:

  1. Create the ProductsBloc. Start by creating a new bloc class, ProductsBloc. This class will extend the Bloc class and manage the state for product-related data:
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