Book Image

iOS 16 Programming for Beginners - Seventh Edition

By : Ahmad Sahar, Craig Clayton
Book Image

iOS 16 Programming for Beginners - Seventh Edition

By: Ahmad Sahar, Craig Clayton

Overview of this book

With almost 2 million apps on the App Store, iOS mobile apps continue to be incredibly popular. Anyone can reach millions of customers around the world by publishing their apps on the App Store, which means that competent iOS developers are in high demand. iOS 16 Programming for Beginners, Seventh Edition, is a comprehensive introduction for those who are new to iOS, covering the entire process of learning the Swift language, writing your own app, and publishing it on the App Store. This book follows a hands-on approach. With step-by-step tutorials to real-life examples and easy-to-understand explanations of complicated topics, each chapter will help you learn and practice the Swift language to build your apps and introduce exciting new technologies to incorporate into your apps. You'll learn how to publish iOS apps and work with new iOS 16 features such as Mac Catalyst, SwiftUI, Lock Screen widgets, WeatherKit, and much more. By the end of this iOS development book, you'll have the knowledge and skills to write and publish interesting apps, and more importantly, to use the online resources available to enhance your app development journey.
Table of Contents (34 chapters)
1
Part I: Swift
11
Part II: Design
16
Part III: Code
26
Part IV: Features
32
Other Books You May Enjoy
33
Index

Setting up a tab bar controller scene

As you saw in the app tour, the Let’s Eat app has a tab bar with two buttons at the bottom of the screen, which are used to display the Explore and Map screens. You will remove the existing view controller scene and the ViewController Swift file and add a tab bar controller scene with two buttons to your project. Follow these steps:

  1. Click the Main storyboard file in the Project navigator:

Figure 10.14: Project navigator with Main storyboard file selected

  1. The contents of the Main storyboard file appear in the Editor area. Click the Document Outline button to collapse the document outline if it is present. This gives you more room to work with:

Figure 10.15: Editor area with the Document Outline button shown

  1. Click the + button to open the library:

    Figure 10.16: Toolbar with the Library button shown

    The library allows you to pick UI objects to be added to a scene...