Book Image

iOS 15 Programming for Beginners - Sixth Edition

By : Ahmad Sahar, Craig Clayton
5 (1)
Book Image

iOS 15 Programming for Beginners - Sixth Edition

5 (1)
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. iOS 15 Programming for Beginners is a comprehensive introduction for those who are new to iOS. It covers the entire process of learning the Swift language, writing your own app, and publishing it on the App Store. Complete with hands-on tutorials, projects, and self-assessment questions, this easy-to-follow guide will help you get well-versed with the Swift language to build your apps and introduce exciting new technologies that you can incorporate into your apps. You'll learn how to publish iOS apps and work with Mac Catalyst, SharePlay, SwiftUI, Swift concurrency, 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 (32 chapters)
1
Part 1: Swift
10
Part 2: Design
15
Part 3: Code
25
Part 4: Features

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 9, 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 10.32: Size inspector selected

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

Figure 10.33: 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.

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