iOS 26 App Development Essentials - SwiftUI Edition

This book teaches the skills needed to build iOS applications using SwiftUI, Xcode, and the Swift programming language. Beginning with the basics, this book outlines the steps to set up an iOS development environment and introduces using Swift Playgrounds for learning and experimenting with the Swift programming language. The book also includes in-depth chapters that introduce the Swift programming language, covering data types, control flow, functions, object-oriented programming, property wrappers, structured concurrency, and error handling. This guide begins with an introduction to key concepts of SwiftUI and project architecture, followed by a detailed tour of Xcode and AI-assisted development using Coding Intelligence. The book also covers how to create custom SwiftUI views, combine them to build user interface layouts, including stacks, frames, and forms. Other topics covered include data handling using state properties and observable, state, and environment objects, as well as key user interface design concepts such as modifiers, lists, tabbed views, context menus, user interface navigation, and outline groups. The book also includes chapters covering graphics and Liquid Glass effects, user interface animation, view transitions, and gesture handling, as well as WidgetKit, Live Activities, document-based apps, Core Data, SwiftData, and CloudKit. Throughout the book, each concept is reinforced with hands-on tutorials and downloadable source code. Additionally, over 50 online quizzes are available to test your knowledge and understanding.