Book Image

Mastering iOS 14 Programming - Fourth Edition

By : Mario Eguiluz Alebicto, Chris Barker, Donny Wals
Book Image

Mastering iOS 14 Programming - Fourth Edition

By: Mario Eguiluz Alebicto, Chris Barker, Donny Wals

Overview of this book

Mastering iOS 14 development isn’t a straightforward task, but this book can help you do just that. With the help of Swift 5.3, you’ll not only learn how to program for iOS 14 but also be able to write efficient, readable, and maintainable Swift code that reflects industry best practices. This updated fourth edition of the iOS 14 book will help you to build apps and get to grips with real-world app development flow. You’ll find detailed background information and practical examples that will help you get hands-on with using iOS 14's new features. The book also contains examples that highlight the language changes in Swift 5.3. As you advance through the chapters, you'll see how to apply Dark Mode to your app, understand lists and tables, and use animations effectively. You’ll then create your code using generics, protocols, and extensions and focus on using Core Data, before progressing to perform network calls and update your storage and UI with the help of sample projects. Toward the end, you'll make your apps smarter using machine learning, streamline the flow of your code with the Combine framework, and amaze users by using Vision framework and ARKit 4.0 features. By the end of this iOS development book, you’ll be able to build apps that harness advanced techniques and make the best use of iOS 14’s features.
Table of Contents (22 chapters)

Introducing App Clips

App Clips allow users to discover your app in a fast and lightweight manner. With App Clips, a user can quickly use a feature of your app even without having the app installed on their phone. Let's see an example of what an App Clip looks like:

Figure 1.1 − App Clip UI

App Clips should be lightweight, brief, and finish a user task in seconds. Let's see some use cases of App Clips:

  • An App Clip to order coffee when you pass by the coffee shop door and tap on an NFC tag.
  • An App Clip to rent an electric bike parked in the street, just by scanning a QR code on it. Also, you can use Sign in with Apple and Apple Pay to avoid forms and interface complexities, allowing you to rent the bike in seconds.
  • An App Clip to pre-order from the menu in a restaurant and save time while you wait to be seated.
  • An App Clip that triggers when you tap around NFC spots in an art gallery or a museum and displays augmented reality...