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Flutter Cookbook, Second Edition - Second Edition

You're reading from  Flutter Cookbook, Second Edition - Second Edition

Product type Book
Published in May 2023
Publisher Packt
ISBN-13 9781803245430
Pages 712 pages
Edition 2nd Edition
Languages
Author (1):
Simone Alessandria Simone Alessandria
Profile icon Simone Alessandria

Table of Contents (19) Chapters

Preface 1. Getting Started with Flutter 2. Creating Your First Flutter App 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

Strings and string interpolation

A String is simply a variable that holds human-readable text. The reason why they're called strings instead of text has more to do with history than practicality. From a computer's perspective, a String is actually a list of integers. Each integer represents a character.

For example, the number U+0041 (Unicode notation, 65 in decimal notation) is the letter A. These numbers are stringed together to create text.

In this recipe, we will continue with the console application in order to define and work with strings.

Getting ready

  1. To follow along with this recipe, you should write this code in DartPad (https://dartpad.dev/). Remove any content inside the main() method.

How to do it...

Just like in the previous recipe, you are going to create a “hub” function. Inside it, every sub-function will show a different way of using strings:

  1. Type in the following code and use it as the hub for all the other string examples:
void stringPlayground...
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