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Flutter Cookbook, Second Edition

You're reading from   Flutter Cookbook, Second Edition 100+ step-by-step recipes for building cross-platform, professional-grade apps with Flutter 3.10.x and Dart 3.x

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Product type Paperback
Published in May 2023
Publisher Packt
ISBN-13 9781803245430
Length 712 pages
Edition 2nd Edition
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Author (1):
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Simone Alessandria Simone Alessandria
Author Profile Icon Simone Alessandria
Simone Alessandria
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Table of Contents (19) Chapters Close

Preface 1. Getting Started with Flutter 2. Creating Your First Flutter App FREE CHAPTER 3. Dart: A Language You Already Know 4. Introduction to Widgets 5. Mastering Layout and Taming the Widget Tree 6. Adding Interactivity and Navigation to Your App 7. Basic State Management 8. The Future is Now: Introduction to Asynchronous Programming 9. Data Persistence and Communicating with the Internet 10. Advanced State Management with Streams 11. Using Flutter Packages 12. Adding Animations to Your App 13. Using Firebase 14. Firebase Machine Learning 15. Flutter Web and Desktop 16. Distributing Your Mobile App 17. Other Books You May Enjoy
18. Index

Working with TextFields

Together with buttons, another extremely common form of user interaction is the text field. There comes a point in most apps where your users need to type something; for example, a form where users type in their username and password.

Because the text is often related to the concept of forms, Flutter also has a subclass of TextField called TextFormField, which adds functionality for multiple text fields to work together.

In this recipe, we’re going to create a login form for our stopwatch app so that we know which runner we’re timing.

Getting ready

Once again, we’re going to continue with the StopWatch project. You should have completed the previous recipes in this chapter before following along with this one.

In the main.dart file, in the home property of MaterialApp, add a call to the LoginScreen class. We will be creating this in this recipe:

 home: LoginScreen(),

How to do it...

We’re going to...

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