This book covers iOS 12 app design fundamentals using the latest Swift 4.2 programming language, Xcode 10 and iOS 12 SDK.Welcome to your guide to iOS 12 app development. This compact book aims to teach app development for iOS devices using Swift programming language . You don't need to have app development experience to learn the concepts and projects presented in this book. I'll assume that you have no knowledge on programming and app development. I'll try to explain every bit of app development process with plain words and will try to make things easy to understand.