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iOS Programming Cookbook

You're reading from   iOS Programming Cookbook Over 50 exciting and powerful recipes to help you unearth the promise of iOS programming

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781786460981
Length 520 pages
Edition 1st Edition
Languages
Tools
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Toc

Table of Contents (16) Chapters Close

Preface 1. Swift Programming Language FREE CHAPTER 2. The Essentials 3. Integrating with Messages App 4. Working with Interface Builder 5. Working with UITableView 6. Animations and Graphics 7. Multimedia 8. Concurrency 9. Location Services 10. Security and Encryption 11. Networking 12. Persisting Data with Core Data 13. Notifications 14. App Search 15. Optimizing Performance

Displaying pins in map view

Pins (or annotations) are used to display markers on the map for specific locations, nearby places, or points of interest to the user. Each annotation represents a single point (coordinate) on the map which the user can select to get more information about the location. Annotations have another advantage, which is that they remain fixed on the map while the user scrolls or zooms the map; in that case, the annotation will move appropriately.

Getting ready

Before displaying annotations on the map, we need to highlight some points related to annotations and how they work. To display an annotation on the map, you need two separate things:

  • Annotation object: An annotation object is any object that conforms...
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