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

Configuring storyboard element sizes

The Size inspector is used to change the size of storyboard elements. You will use it to change the size of the collection view cell and collection view section header to make them match the Explore screen that was shown in the app tour in Chapter 10, Setting Up the User Interface. Follow these steps:

  1. Click the Main storyboard file in the Project navigator and click the Collection View in the document outline. Click the Size inspector button:

Figure 11.32: Size inspector selected

  1. The collection view size settings will be displayed in the Size inspector as shown:

Figure 11.33: Size inspector showing size settings for the collection view

  1. Configure the collection view size settings, as follows:

Cell Size: Set Width to 177 and Height is 177.

Estimate Size: None.

Header Size: Set Width to 0 and Height to 100.

Min Spacing: Set For Cells to 0 and For Lines to 7.

Section...