Flutter Cookbook

Write, test, and publish your web, desktop, and embedded apps with this most up-to-date book on Flutter using the Dart programming language. Key Features Thoroughly updated to cover the latest features in Flutter 3.10.x and Dart 3.x Practical recipes to publish responsive, multi-platform apps from a single database Covers not just the 'hows' but the 'whys' of Flutter's features with examples Book Description Are you ready to tap into the immense potential of Flutter? With over 1,000 new mobile apps published every day on the Apple and Google Play stores, Flutter is transforming the landscape of app development. It's time for you to join the revolution. Introducing the second edition of Flutter Cookbook, a step-by-step guide designed exclusively for you. Whether you're a seasoned developer or just starting your coding journey, this book is your ultimate companion. Dive into the latest features of Flutter 3.10 and unlock the secrets to building professional-grade, cross-platform applications. With our recipe-based approach, we'll not only show you how to implement Flutter's features but also explain why they work. Through practical examples and real-world execution, you'll gain a deeper understanding of Flutter's inner workings. From crafting stunning UI/UX with widgets to leveraging hot reload and restart techniques, we'll equip you with best practices and invaluable knowledge. As you progress, you'll learn to efficiently manage data, add interactivity and animations, and integrate essential Flutter plugins like maps, camera, voice recognition and more. And let's not forget the dedicated chapter on implementing MLkit powered by TensorFlow Lite. We'll guide you through building custom machine learning solutions, expanding the capabilities of your apps. By the time you reach the end of this comprehensive Flutter book, you'll have the skills and confidence to write and deliver fully functional apps. What you will learn Familiarize yourself with Dart fundamentals and set up your development environment Efficiently track and eliminate code errors with proper tools Create various screens using multiple widgets to effectively manage data Craft interactive and responsive apps by incorporating routing, page navigation, and input field text reading Design and implement a reusable architecture suitable for any app Maintain control of your codebase through automated testing and developer tooling Develop engaging animations using the necessary tools Enhance your apps with ML features using Firebase MLKit and TensorFlow Lite Successfully publish your app on the Google Play Store and the Apple App Store Who this book is for Developers who are familiar with the OOP language and prefer learning-by-doing will get the most out of this book. If you have some experience building apps on Flutter or have been playing around with the framework for some time now and have set eyes on developing mobile apps using Dart, then this book is for you.

Learn the essentials of working with Flutter and Dart to build full stack applications that meet the needs of a cloud-driven world. Together, the Flutter open source UI software development kit and the Dart programming language for client development provide a unified solution to building applications capable of targeting multiple platforms. Recipes in this cookbook show you how this potent combination provides an efficient approach to application development. Typically used in frontend development, Flutter helps you develop cross-platform applications for Android, iOS, Linux, Mac, Windows, and the Google Fuchsia operating systems. The Dart SDK provides native access to third-party solutions, including APIs, databases, and authentication. When used in concert with Flutter, Dart allows you to compile source code ahead of time to native code. This cookbook shows you how to: Write effective Dart code by using variables and data structures Build applications with Flutter by exploring widgets and data handling Understand cloud provider solutions and learn how to integrate them with Flutter Manage data through APIs using Google Cloud Serverless Work with Firebase solutions such as Authentication and the Cloud Firestore database Build web applications that also work with mobile and desktop platforms

Discover how to build, scale, and debug native iOS and Android applications from a single codebase using the Dart programming language – a hands-on approach Key FeaturesWork through practical recipes for building mobile applications with FlutterQuickly build and iterate on your user interface (UI) with hot reloadFix bugs and prevent them from reappearing using Flutter's developer tools and test suitesBook Description “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. What you will learnUse Dart programming to customize your Flutter applicationsDiscover how to develop and think like a Dart programmerLeverage Firebase Machine Learning capabilities to create intelligent appsCreate reusable architecture that can be applied to any type of appUse web services and persist data locallyDebug and solve problems before users can see themUse asynchronous programming with Future and StreamManage the app state with Streams and the BLoC pattern Who this book is for If you’re familiar with the basic concepts of programming and have your eyes set on developing mobile apps using Dart, then this book is for you. As a beginner, you’ll benefit from the clear and concise step-by-step recipes, while a more experienced programmer will learn best practices and find useful tips. You’ll get the most out of this book if you have experience coding in either JavaScript, Swift, Kotlin, Java, Objective-C, or C#.

Take advantage of this comprehensive reference to solving common problems when developing with Flutter. Along with an introduction to the basic concepts of Flutter development, the recipes in this book cover all important aspects of this emerging technology, including development, testing, debugging, performance tuning, app publishing, and continuous integration. Although Flutter presents a rich, cross-platform mobile development framework, helpful documentation is not easily found. Here you’ll review solutions to various scenarios and use creative, tested ways to accomplish everything from simple to complex development tasks. Flutter is developed using Dart and contains a unique technology stack that sets it apart from its competitors. This book takes the mystery out of working with the Dart language and integrating Flutter into your already existing workflows and development projects. With Flutter Recipes, you’ll learn how to build and deploy apps freshly started in Flutter, as well as apps already in progress, while side-stepping any potential roadblocks you may face along the way. What You'll Learn Debug with Dart Observatory Program accessibility and localization features Build and release apps for iOS and Android Incorporate reactive programming Who This Book Is For Mobile developers with some experience in other frameworks who would like to work with the growing and popular Flutter.

Summary In 2017, consumers downloaded 178 billion apps, and analysts predict growth to 258 billion by 2022. Mobile customers are demanding more—and better—apps, and it’s up to developers like you to write them! Flutter, a revolutionary new cross-platform software development kit created by Google, makes it easier than ever to write secure, high-performance native apps for iOS and Android. Flutter apps are blazingly fast because this open source solution compiles your Dart code to platform-specific programs with no JavaScript bridge! Flutter also supports hot reloading to update changes instantly. And thanks to its built-in widgets and rich motion APIs, Flutter’s apps are not just highly responsive, they’re stunning! Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the technology With Flutter, you can build mobile applications using a single, feature-rich SDK that includes everything from a rendering engine to a testing environment. Flutter compiles programs written in Google’s intuitive Dart language to platform-specific code so your iOS and Android games, utilities, and shopping platforms all run like native Java or Swift apps. About the book Flutter in Action teaches you to build professional-quality mobile applications using the Flutter SDK and the Dart programming language. You’ll begin with a quick tour of Dart essentials and then dive into engaging, well-described techniques for building beautiful user interfaces using Flutter’s huge collection of built-in widgets. The combination of diagrams, code examples, and annotations makes learning a snap. As you go, you’ll appreciate how the author makes easy reading of complex topics like routing, state management, and async programming. What's inside Understanding the Flutter approach to the UI All the Dart you need to get started Creating custom animations Testing and debugging About the reader You’ll need basic web or mobile app development skills. About the author Eric Windmill is a professional Dart developer and a contributor to open-source Flutter projects. His work is featured on the Flutter Showcase page. Table of Contents: PART 1 - MEET FLUTTER 1 ¦ Meet Flutter 2 ¦ A brief intro to Dart 3 ¦ Breaking into Flutter PART 2 - FLUTTER USER INTERACTION, STYLES, AND ANIMATIONS 4 ¦ Flutter UI: Important widgets, themes, and layout 5 ¦ User interaction: Forms and gestures 6 ¦ Pushing pixels: Flutter animations and using the canvas PART 3 - STATE MANAGEMENT AND ASYNCHRONOUS DART 7 ¦ Flutter routing in depth 8 ¦ Flutter state management 9 ¦ Async Dart and Flutter and infinite scrolling PART 4 - BEYOND FOUNDATIONS 10 ¦ Working with data: HTTP, Firestore, and JSON 11 ¦ Testing Flutter apps

Follow this step-by-step illustrated guide to launch your own Flutter apps and gain hands-on experience Key Features Get up to speed with the basics of Dart programming and delve into Flutter development Learn about Flutter widgets, plugins, and animations to create a high-quality, user-friendly app Package and deploy your Flutter apps to achieve native-like performance Purchase of the print or Kindle book includes a free PDF eBook Book DescriptionThere have been many attempts at creating frameworks that are truly cross-platform, but most struggle to create a native-like experience at high-performance levels. Flutter achieves this with an elegant design and a wealth of third-party plugins, solidifying its status as the future of mobile app development. If you are a mobile developer who wants to create rich and expressive native apps with the latest Google Flutter framework, this book is for you. You’ll start with the basics of cross-platform development frameworks, specifically Flutter. You’ll then explore the Dart programming language which is the foundation of the Flutter framework. Next, you’ll get a feel for Flutter and how to create your first app, followed by an exploration of the various popular plugins that supplement the Flutter framework. Finally, you’ll explore testing and app release, including some common glitches that you may experience. By the end of this book, you’ll be well-equipped to create and release a basic Flutter app along with gaining a solid understanding of the Flutter framework and Dart language.What you will learn Understand the Flutter framework and cross-platform development Acclimate the fundamentals of the Dart programming language Explore Flutter widgets, the core widget library, and stateful and stateless widgets Discover the complete development lifecycle, including testing and debugging Get familiar with both the mobile and web app release processes Dig deeper into more advanced Flutter concepts like animation Explore common Flutter plugins ad how to use them Discover the Flutter community and how to stay up-to-date Who this book is for If you are an existing mobile developer seeking a better way to develop cross-platform apps, an existing software developer looking to explore mobile app development, or someone investigating mobile apps and simply wants to know what the Flutter fuss is about, this is the book for you. Prior knowledge of Flutter and Dart is not required.

Build a variety of dynamic projects and beautiful UIs as you explore the power of Flutter for the web, desktop, and mobile Key FeaturesDiscover state management solutions with InheritedWidget and the Provider packageCreate responsive and beautiful UIs with the Material and Cupertino librariesExplore animations, forms, gestures, and backend integration with SupabaseBook Description Flutter is a UI toolkit for building beautiful, natively compiled applications for mobile, web, desktop, and embedded devices from a single code base. With Flutter, you can write your code once and run it anywhere using a single code base to target multiple platforms. This book is a comprehensive, project-based guide for new and emerging Flutter developers that will help empower you to build bulletproof applications. Once you start reading book, you'll quickly realize what sets Flutter apart from its competition and establish some of the fundamentals of the toolkit. As you work on various project applications, you'll understand just how easy Flutter is to use for building stunning UIs. This book covers navigation strategies, state management, advanced animation handling, and the two main UI design styles: Material and Cupertino. It'll help you extend your knowledge with good code practices, UI testing strategies, and CI setup to constantly keep your repository's quality at the highest level possible. By the end of this book, you'll feel confident in your ability to transfer the lessons from the example projects and build your own Flutter applications for any platform you wish. What you will learnCreate responsive and attractive UIs for any deviceGet to grips with caching and widget trees and learn some framework performance tipsManage state using Flutter's InheritedWidget systemOrchestrate the app flow with Navigator 1.0 and 2.0Explore the Material and Cupertino built-in themesBreathe life into your apps with animationsImprove code quality with golden tests, CI setup, and linter rulesWho this book is for This book is for software developers with a good grasp of Flutter, who want to learn best practices and techniques for building clean, intuitive UIs using a single codebase for mobile and the web. Prior experience with Flutter, Dart, and object-oriented programming (OOP) will help you understand the concepts covered in the book.

Explore popular state management techniques in Flutter and implement them in real-world applications Key FeaturesGet to grips with popular approaches for managing your Flutter application stateThink declaratively in order to decide on the most fitting approach for different applicationsLearn to implement state management solutions by building a popular use case in the form of a shopping cart appBook Description Flutter is a cross-platform user interface (UI) toolkit that enables developers to create beautiful native applications for mobile, desktop, and the web with a single codebase. State management in Flutter is one of the most crucial and complex topics within Flutter, with a wide array of approaches available that can make it easy to get lost due to information overload. Managing State in Flutter Pragmatically is a definitive guide to starting out with Flutter and learning about state management, helping developers with some experience of state management to choose the most appropriate solutions and techniques to use. The book takes a hands-on approach and begins by covering the basics of Flutter state management before exploring how to build and manipulate a shopping cart app using popular approaches such as BLoC/Cubit, Provider, MobX, and Riverpod. Throughout the book, you'll also learn how to adopt approaches from React such as Redux and all its types. By the end of this Flutter book, you'll have gained a holistic view of all the state management approaches in Flutter, and learned which approach is the best solution for managing state in your app development journey. What you will learnUnderstand the core concepts of different state management techniques used in FlutterBuild optimal and performant applications in FlutterDevelop an understanding of which technique to apply in what sort of appsBuild the habit of writing clean state management codeProduce code with techniques from beginner to advanced level for different state management solutionsUse state management techniques to create robust and scalable apps in FlutterWho this book is for This book is for developers who have already started with their Flutter journey and are now looking to learn optimal state management approaches for app development. The book will also help less experienced Flutter engineers to find the best state management solution to fit their app, along with Flutter engineers who want to learn which state management approach should be taken under what circumstances.