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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

Updating the JournalEntry class to conform to the MKAnnotation protocol

When you use the Maps app on iPhone, you can tap and hold on the map to drop a pin:

Figure 17.12: Map app showing dropped pin

To add a pin to a map view for your own apps, you need a class that conforms to the MKAnnotation protocol. This protocol allows you to associate an instance of that class with a specific location.

To learn more about the MKAnnotation protocol, see https://developer.apple.com/documentation/mapkit/mkannotation.

Any class can adopt the MKAnnotation protocol by implementing a coordinate property, which contains a location. Optional MKAnnotation protocol properties are title, a string containing the annotation’s title, and subtitle, a string containing the annotation’s subtitle.

When an instance of a class conforming to the MKAnnotation protocol is in the region of the map that is visible onscreen, the map view asks its delegate (usually a view...

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