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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 and Dart 2

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Product type Paperback
Published in Sep 2019
Publisher Packt
ISBN-13 9781788996082
Length 512 pages
Edition 1st Edition
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Author (1):
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Alessandro Biessek Alessandro Biessek
Author Profile Icon Alessandro Biessek
Alessandro Biessek
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Table of Contents (21) Chapters Close

Preface 1. Section 1: Introduction to Dart FREE CHAPTER
2. An Introduction to Dart 3. Intermediate Dart Programming 4. An Introduction to Flutter 5. Section 2: The Flutter User Interface - Everything is a Widget
6. Widgets: Building Layouts in Flutter 7. Handling User Input and Gestures 8. Theming and Styling 9. Routing: Navigating between Screens 10. Section 3: Developing Fully Featured Apps
11. Firebase Plugins 12. Developing Your Own Flutter Plugin 13. Accessing Device Features from the Flutter App 14. Platform Views and Map Integration 15. Section 4: Advanced Flutter - Resources to Complex Apps
16. Testing, Debugging, and Deployment 17. Improving User Experience 18. Widget Graphic Manipulations 19. Animations 20. Other Books You May Enjoy

Introducing async programming with Futures and Isolates

Dart is a single-threaded programming language, that is, all of the application code runs in the same thread. Put simply, this means that any code may block thread execution by performing long-time running operations such as I/O or http requests.

Although Dart is single-threaded, it can perform asynchronous operations through the use of Futures. Additionally, to represent the result of those asynchronous operations, Dart uses the Future object combined with the async and await keywords. Let's understand these important concepts to develop a responsive application.

Dart Futures

The Future<T> object in Dart represents a value that will be provided sometime in...

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