Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Flutter Cookbook

You're reading from   Flutter Cookbook Over 100 proven techniques and solutions for app development with Flutter 2.2 and Dart

Arrow left icon
Product type Paperback
Published in Jun 2021
Publisher Packt
ISBN-13 9781838823382
Length 646 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Authors (2):
Arrow left icon
Simone Alessandria Simone Alessandria
Author Profile Icon Simone Alessandria
Simone Alessandria
Brian Kayfitz Brian Kayfitz
Author Profile Icon Brian Kayfitz
Brian Kayfitz
Arrow right icon
View More author details
Toc

Table of Contents (17) Chapters Close

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

Managing the data layer with InheritedWidget

How should you call the data classes in your app? 

You could, in theory, set up a place in static memory where all your data classes will reside, but that won't play well with tools such as Hot Reload and could even introduce some undefined behavior down the road. The better options involve placing your data classes in the widget tree so they can take advantage of your application's life cycle. 

The question then becomes, how can you place a model in the widget tree? Models are not widgets, after all, and there is nothing to build onto the screen.

A possible solution is using InheritedWidget. So far, we've only been using two types of widgets: StatelessWidget and StatefulWidget. Both of these widgets are concerned with rendering widgets onto the screen; the only difference is that one can change and the other cannot. InheritedWidget is another beast entirely. Its job is to pass data down to its children,...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime