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iOS 17 Programming for Beginners

iOS 17 Programming for Beginners

By : Ian Lockett, Ahmad Sahar
4.6 (21)
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iOS 17 Programming for Beginners

iOS 17 Programming for Beginners

4.6 (21)
By: Ian Lockett, Ahmad Sahar

Overview of this book

In a world with nearly 2 million apps on the App Store, the demand for skilled iOS developers has never been higher. "iOS 17 Programming for Beginners, Eighth Edition" is your gateway to this lucrative and dynamic field. This hands-on guide is tailored for those who are new to iOS and takes you on a journey from learning the Swift language to crafting your own app and seeing it thrive on the App Store. Our approach is hands-on and practical. Each chapter is designed to be a stepping stone in your development journey, providing step-by-step tutorials, real-life examples, and clear explanations of complex concepts. As you progress, you'll not only be skilled in Swift but also incorporate cutting-edge technologies into your apps. You'll learn how to publish your creations and harness the power of iOS 17 through a straightforward and easy to program example app divided into manageable parts. By the time you've completed this book, you'll possess the skills and knowledge to not only develop and publish captivating apps but also leverage online resources to continually enhance your app development prowess.
Table of Contents (34 chapters)
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1
Part 1: Swift
11
Part 2: Design
16
Part 3: Code
26
Part 4: Features
32
Other Books You May Enjoy
33
Index

Configuring data source methods for the table view

When your app is running, an instance of the JournalListViewController class acts as the view controller for the Journal List screen. It is responsible for loading and displaying all the views on that screen, including the table view you added earlier. The table view needs to know how many table view cells to display and what to display in each cell. Normally, the view controller is responsible for providing this information. Apple has created a protocol, UITableViewDataSource, for this purpose. All you need to do is set the table view’s dataSource property to the JournalListViewController class and implement the required methods of this protocol.

The table view also needs to know what to do if the user taps on a table view cell. Again, the view controller for the table view is responsible, and Apple has created the UITableViewDelegate protocol for this purpose. You will set the table view’s delegate property to...

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