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Flutter Cookbook

Flutter Cookbook

By : Simone Alessandria, Kayfitz
4.2 (16)
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Flutter Cookbook

Flutter Cookbook

4.2 (16)
By: Simone Alessandria, Kayfitz

Overview of this book

“Anyone interested in developing Flutter applications for Android or iOS should have a copy of this book on their desk.” – Amazon 5* Review Lauded as the ‘Flutter bible’ for new and experienced mobile app developers, this recipe-based guide will teach you the best practices for robust app development, as well as how to solve cross-platform development issues. From setting up and customizing your development environment to error handling and debugging, The Flutter Cookbook covers the how-tos as well as the principles behind them. As you progress, the recipes in this book will get you up to speed with the main tasks involved in app development, such as user interface and user experience (UI/UX) design, API design, and creating animations. Later chapters will focus on routing, retrieving data from web services, and persisting data locally. A dedicated section also covers Firebase and its machine learning capabilities. The last chapter is specifically designed to help you create apps for the web and desktop (Windows, Mac, and Linux). Throughout the book, you’ll also find recipes that cover the most important features needed to build a cross-platform application, along with insights into running a single codebase on different platforms. By the end of this Flutter book, you’ll be writing and delivering fully functional apps with confidence.
Table of Contents (17 chapters)
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16
About Packt

Turning navigation routes into asynchronous functions

In this recipe, you will see how to leverage Futures using Navigator to transform a Route into an async function: you will push a new screen in the app and then await the route to return some data and update the original screen.

The steps we will follow are these:

  • Adding an ElevatedButton that will launch the second screen.
  • On the second screen, we will make the user choose a color.
  • Once the color is chosen, the second screen will update the background color on the first screen.

Here, you can see a screenshot of the first screen:

And here, the second screen, which allows choosing a color with three ElevatedButtons:

Getting ready

How to do it...

We will begin by...

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Flutter Cookbook
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