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Flutter for Beginners

You're reading from   Flutter for Beginners An introductory guide to building cross-platform mobile applications with Flutter 2.5 and Dart

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Product type Paperback
Published in Oct 2021
Last Updated in Oct 2021
Publisher Packt
ISBN-13 9781800565999
Length 370 pages
Edition 2nd Edition
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Authors (2):
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Thomas Bailey Thomas Bailey
Author Profile Icon Thomas Bailey
Thomas Bailey
Alessandro Biessek Alessandro Biessek
Author Profile Icon Alessandro Biessek
Alessandro Biessek
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Table of Contents (18) Chapters Close

Preface 1. Section 1: Introduction to Flutter and Dart
2. Chapter 1: An Introduction to Flutter FREE CHAPTER 3. Chapter 2: An Introduction to Dart 4. Chapter 3: Flutter versus Other Frameworks 5. Chapter 4: Dart Classes and Constructs 6. Section 2: The Flutter User Interface – Everything Is a Widget
7. Chapter 5: Widgets – Building Layouts in Flutter 8. Chapter 6: Handling User Input and Gestures 9. Chapter 7: Routing – Navigating between Screens 10. Section 3: Developing Fully Featured Apps
11. Chapter 8: Plugins – What Are They and How Do I Use Them? 12. Chapter 9: Popular Third-Party Plugins 13. Chapter 10: Using Widget Manipulations and Animations 14. Section 4: Testing and App Release
15. Chapter 11: Testing and Debugging 16. Chapter 12: Releasing Your App to the World 17. Other Books You May Enjoy

Chapter 4: Dart Classes and Constructs

In this chapter, we will look at object-oriented programming (OOP) and how it is supported by the Dart language. We will start by looking at the core principles of OOP with relation to the Dart language, and then explore how to use OOP within Dart.

We will then take a deeper look at class definitions and how instances of a class are created, including an exploration of the constructor types available, which forms a key part of the way Flutter apps are coded. Additionally, we will look at how we store our code in files, and how to import code from other files.

Finally, we will look at some key Dart topics that are used throughout Flutter—generics and asynchronous programming. These will help with your understanding of the Flutter topics we will cover later in the book.

On completion of this chapter, you will have a solid foundational knowledge of Dart, which will set you in good stead as we move to a deeper exploration of Flutter...

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