You're reading from Building Cross-Platform GUI Applications with Fyne Create beautiful, platform-agnostic graphical applications using Fyne and the Go programming language

Product type Paperback

Published in Jan 2021

Publisher Packt

ISBN-13 9781800563162

Length 318 pages

Edition 1st Edition

Languages

Tools

Django

Concepts

GUI Application Development

Author (1):

Andrew Williams

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Table of Contents (18) Chapters

Preface

1. Section 1: Why Fyne? The Reason for Being and a Vision of the Future

2. Chapter 1: A Brief History of GUI Toolkits and Cross-Platform Development FREE CHAPTER

3. Chapter 2: The Future According to Fyne

4. Section 2: Components of a Fyne App

5. Chapter 3: Window, Canvas, and Drawing

6. Chapter 4: Layout and File Handling

7. Chapter 5: Widget Library and Themes

8. Chapter 6: Data Binding and Storage

9. Chapter 7: Building Custom Widgets and Themes

10. Section 3: Packaging and Distribution

11. Chapter 8: Project Structure and Best Practices

12. Chapter 9: Bundling Resources and Preparing for Release

13. Chapter 10: Distribution – App Stores and Beyond

14. Other Books You May Enjoy

Appendix A: Developer Tool Installation

1. Appendix B: Installing Mobile Build Tools

2. Appendix C: Cross-Compiling

Binding data to widgets

When we explored widgets in Chapter 5, Widget Library and Themes, we saw how information can be gathered and presented. Each widget we looked at was configured manually, and accessing data that the user entered (such as with the Entry widget) required code to query the widget's state. The fyne.io/fyne/v2/data/binding package provides functionality that supports automatically connecting widgets to data sources to handle this more efficiently.

In the following sections, we will explore what data binding is, why it is so useful, and how it is designed within the Fyne APIs.

Understanding data binding

There are many different approaches to data binding, and definitions can vary, depending on the toolkit that you are working with. In general, data binding allows the component of a graphical interface to have its display controlled by a separate data source. Moreover, it ensures that the graphical representation is always up to date with changes, and...