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

Presenting a view modally

In this section, you will add a button to the collection view section header. When tapped, this button will display a view showing the Locations screen. This view will be from a new view controller scene embedded in a navigation controller, which you will add to the project. The view will be presented modally, which means you won't be able to do anything else until it is dismissed. To dismiss it, you'll add a Cancel button to the view's navigation bar. You'll also add a Done button, but you'll only implement its functionality in Chapter 17, Getting Started with JSON Files.

Let's start by adding a button from the library to the collection view section header.

Adding a button to the collection view header

As shown in the app tour in Chapter 9, Setting Up the User Interface, there is a LOCATION button at the top right-hand side of the screen. You'll add a button to represent the LOCATION button in the collection view...