Welcome to Flutter! This chapter explains what Flutter is, why you should use it and how to get your development environment…

…this chapter, you’ll build your first Flutter app from scratch and get the hang of fundamentals…

…built Flutter apps using the Dart language and the various Flutter idioms. You then built and deployed those apps to iOS and Android devices without having to do anything special. You may have even tried running your apps in Chrome or as a desktop app. It’s almost magical. Sometimes…

…have heard that everything in Flutter is a widget. While that might not be absolutely true, most of the time when you’re building apps, you only see the top layer: widgets. In this chapter, you’ll dive into widget theory. You’ll explore: Widgets Widget rendering Flutter Inspector Types…

Welcome to Flutter Apprentice! Flutter is an incredible user interface (UI) toolkit that lets you build apps for iOS and Android — and even the web and desktop platforms like macOS, Windows and Linux — all from a single codebase. Flutter has all the benefits of other cross-platform tools, especially because…

Widget testing is about making your Flutter widgets dance to your tune. It’s essential to ensure your UI components not only look good but also work as you intended. In this chapter, you’ll: Learn the concept of widget testing. Load mock data into the widget tests. Ensure that…

Cloud Firestore to build your own instant messaging app. Getting Started First, open the starter project from this chapter’s project materials and run flutter pub get. Next, build and run your project. You’ll see the Yummy app’s Chat tab. Right now, your app doesn’t do much…

Learn how to build a Flutter app that handles deep links for both mobile and web apps…

…background, you might be familiar with UINavigationController from UIKit, or NavigationStack from SwiftUI. In Android, you use Jetpack Navigation to manage various fragments. In Flutter, you use a Navigator widget to manage your screens or pages. Think of screens and pages as routes. Note: This chapter uses these terms interchangeably…

…book, you’ll need the following: Xcode 15.0.1 or later. Xcode is iOS’s main development tool, so you need it to build your Flutter app for iOS. You can download the latest version of Xcode from Apple’s developer site here: apple.co/2asi58y or from the Mac App Store…

This chapter will introduce you to testing. You'll learn the different types of tests supported in Flutter and you'll start writing unit tests for the business logic of your…

…recipes and find one you like. You’re in a hurry and want to bookmark it to check it later. Can you build a Flutter app that does that? You sure can! Read on to find out how. In this chapter, your goal is to learn…

…package. You’ll then swap the memory repository for the new database repository. Adding Libraries Open pubspec.yaml and add the following packages after the flutter_riverpod package: synchronized: ^3.1.0 sqlbrite: ^2.6.0 sqlite3_flutter_libs: ^0.5.18 web_ffi: ^0.7.2 sqlite3: ^2.1.0 These packages provide the following: synchronized: Helps implement lock mechanisms…

…start fresh by opening this chapter’s starter project. If you choose to do this, remember to click the Get dependencies button or execute flutter pub get from Terminal. You’ll also need to add your API Key to lib/network/spoonacular_service.dart. By the end of the chapter, you’ll know…

…start fresh by opening this chapter’s starter project. If you choose to do this, remember to click the pub get button or execute flutter pub get from Terminal. By the end of this chapter, you’ll know how to: Sign up for a recipe API service. Trigger a search…

Explore advanced Flutter widgets: tap into Slivers for intricate scroll designs, employ GridView for adaptive layouts, and unveil Bottom Sheets for an enhanced interactive interface…

Dive into the world of Flutter, where everything is a widget! This chapter unveils three fundamental widget categories essential for: Structure and navigation Displaying information Positioning widgets By the end of the chapter, you’ll construct a social food app called Yummy. You’ll use various widgets to create three…

…finally ready to prepare your Flutter app for the Google Play Store. This chapter covers the release and deployment process…

…long string and try to parse out the data, it’s much easier to use a package that already knows how to do that. Flutter has a built-in package for decoding JSON, but in this chapter, you’ll use the json_serializable and json_annotation packages to help make…