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Flutter for Beginners

You're reading from   Flutter for Beginners Cross-platform mobile development from Hello, World! to app release with Flutter 3.10+ and Dart 3.x

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Product type Paperback
Published in Oct 2023
Publisher Packt
ISBN-13 9781837630387
Length 406 pages
Edition 3rd Edition
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Authors (2):
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Alessandro Biessek Alessandro Biessek
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Alessandro Biessek
Thomas Bailey Thomas Bailey
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Thomas Bailey
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Table of Contents (20) Chapters Close

Preface 1. Part 1:Learning the Core Concepts
2. Chapter 1: What Is Flutter and Why Should I Use It? FREE CHAPTER 3. Chapter 2: An Introduction to Dart 4. Chapter 3: Flutter versus Other Frameworks 5. Chapter 4: Dart Classes and Constructs 6. Part 2:Building a Basic Flutter App
7. Chapter 5: Building Your User Interface through Widgets 8. Chapter 6: Handling User Input and Gestures 9. Chapter 7: Let’s Get Graphical! 10. Chapter 8: Routing – Navigating between Screens 11. Part 3:Turning a Simple App into an Awesome App
12. Chapter 9: Flutter Plugins – Get Great Functionality for Free! 13. Chapter 10: Popular Third-Party Plugins 14. Chapter 11: Using Widget Manipulations and Animations 15. Part 4:Testing and Releasing Your App
16. Chapter 12: Testing and Debugging 17. Chapter 13: Releasing Your App to the World 18. Index 19. Other Books You May Enjoy

How do plugins work on iOS and Android?

Many plugins will work with the different underlying platforms to use OS functionality. This dependency changes the way your project is built and run because there is native code within your project that interfaces with the underlying platform. Let’s look at how that interfacing works.

MethodChannel

Flutter communication between the client (Flutter) and the host (native) application occurs through platform channels. The MethodChannel class is responsible for sending messages (method invocations) to the platform side. On the platform side, MethodChannel on Android (API) and FlutterMethodChannel on iOS (API) allow you to receive method calls and send a result back. The structure of this relationship is shown in the following diagram:

Figure 9.5 – Interface between Flutter and native

Figure 9.5 – Interface between Flutter and native

The platform channel technique allows you to decouple the UI code from the platform-specific native code. The host...

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