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Learning Swift Second Edition

Learning Swift Second Edition

By : Andrew J Wagner
5 (1)
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Learning Swift Second Edition

Learning Swift Second Edition

5 (1)
By: Andrew J Wagner

Overview of this book

Swift is Apple’s new programming language and the future of iOS and OS X app development. It is a high-performance language that feels like a modern scripting language. On the surface, Swift is easy to jump into, but it has complex underpinnings that are critical to becoming proficient at turning an idea into reality. This book is an approachable, step-by-step introduction into programming with Swift for everyone. It begins by giving you an overview of the key features through practical examples and progresses to more advanced topics that help differentiate the proficient developers from the mediocre ones. It covers important concepts such as Variables, Optionals, Closures, Generics, and Memory Management. Mixed in with those concepts, it also helps you learn the art of programming such as maintainability, useful design patterns, and resources to further your knowledge. This all culminates in writing a basic iOS app that will get you well on your way to turning your own app ideas into reality.
Table of Contents (14 chapters)
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13
Index

Apple's documentation

Apple puts a lot of time and effort into maintaining its documentation. This documentation can often be a very valuable tool to determine how you are expected to interact with their frameworks.

Xcode actually integrates with the documentation quite well. One of the main ways you can look at the documentation is within the Quick Help inspector. You can display it by navigating to View | Utilities | Show Quick Help Inspector from the main menu. This inspector shows you the documentation of whatever piece of code you currently have your cursor on. If that particular class, method, or function is a part of Apple's frameworks, you will get some quick help with regards to it, as shown in the following screenshot:

Apple's documentation

Here the cursor is on UICollectionView, so the Quick Help inspector gives us the high-level information about it.

You can also look at the documentation in its own window if you need more information or want to do more exploring. You can open up this window...

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