Get started with SwiftUI and develop real-world, beautiful, and robust iOS apps faster than ever using the declarative approach with key images printed in color SwiftUI has become an integral part of app development for Apple Platforms. With SwiftUI, you can develop user interfaces by just defining the UI design using Swift code. SwiftUI uses a declarative based programming approach allowing a developer to design the UI of applications for multiple Apple platforms, ranging from mobile phones, watches to computers by declaring what the app should look like and what it should do, letting the operating system do the heavy lifting. The book provides a hands-on approach to learn this framework and the associated techniques that will teach you more about SwiftUI, improving your skills in mobile development in less time. You will begin by learning basic concepts in SwiftUI by creating views and modifiers using SwiftUI, progressing gradually towards more complex and responsive user interfaces and advanced techniques, allowing you to confidently build complex apps. You will learn how to use SwiftUI completely and learn about asynchronous programming and architecture allowing you to design efficient, modern, and well-structured apps. Finally, you'll gain knowledge on how to integrate UIkit and SwiftUI and how to run tests for a SwiftUI application. By the end of the book, you will be confident to build complex applications using SwiftUI professionally. This book is for iOS developers interested in SwiftUI, software developers who have had a few years of iOS experience with UIkit and intend to work with SwiftUI. They will be able to learn this framework in depth with this practical guide. The audience will also include mobile consultants and engineers. It may also be of interest to newcomers considering a career in mobile software development with iOS. They are familiar with Swift, UIkit, XCode, and Asynchronous Programming.