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Mastering macOS Programming

You're reading from   Mastering macOS Programming Hands-on guide to macOS Sierra Application Development

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781786461698
Length 626 pages
Edition 1st Edition
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Authors (2):
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Stuart Grimshaw Stuart Grimshaw
Author Profile Icon Stuart Grimshaw
Stuart Grimshaw
Gregory Casamento Gregory Casamento
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Gregory Casamento
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Toc

Table of Contents (21) Chapters Close

Preface 1. Hello macOS 2. Basic Swift FREE CHAPTER 3. Checking Out the Power of Xcode 4. MVC and Other Design Patterns 5. Advanced Swift 6. Cocoa Frameworks - The Backbone of Your Apps 7. Creating Views Programmatically 8. Strings and Text 9. Getting More from Interface Builder 10. Drawing on the Strength of Core Graphics 11. Core Animation 12. Handling Errors Gracefully 13. Persistent Storage 14. The Benefits of Core Data 15. Connect to the World - Networking 16. Concurrency and Asynchronous Programming 17. Understanding Xcodes Debugging Tools 18. LLDB and the Command Line 19. Deploying Third - Party Code 20. Wrapping It Up

Pie clock

The next clock is a little more complicated, so let's take a look at the finished result before we start to look at how we will go about putting it together:

The clock is showing the time at 11.42. The hour text rotates to show the hours, and the segmented face shows the minutes.

This clock was inspired by a real clock that I picked up in Covent Garden once; the hour hand stays in the same position while the whole clock rotates. It's completely impractical, and very cool.

As you might guess, this design involves some amount of drawing on top of previous drawings, as well as a small dose of text rotation.

Creating a custom view with Core Graphics

In this section, we'll move a little closer to the metal, making direct use of some Core Graphics...

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