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Swift 4 Programming Cookbook

You're reading from   Swift 4 Programming Cookbook 50 task-oriented recipes to maximise Swift 4 productivity

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Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781786460899
Length 384 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Keith Moon Keith Moon
Author Profile Icon Keith Moon
Keith Moon
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Toc

Table of Contents (9) Chapters Close

Preface 1. Swift Building Blocks FREE CHAPTER 2. Building on the Building Blocks 3. Data Wrangling with Swift Control Flow 4. Generics, Operators, and Nested Types 5. Beyond the Standard Library 6. Swift Playgrounds 7. Server-Side Swift 8. Performance and Responsiveness in Swift

Using Swift Playgrounds for UI

Playgrounds are great for exploring the Swift language and the APIs available on Apple platforms, but they can also be very useful for experimenting with UI and testing custom views and interfaces. Let's build a very simple bar chart view that we can use to display numerical data in chart form, and use a playground to test it.

All the code for this chapter can be found in a GitHub repository at http://swiftbook.link/code/chapter6.

Getting ready

First, we'll create an iOS-based playground to build our bar chart. In Chapter 1, Swift Building Blocks, we went through creating a new playground, so go back there if you need a refresher.

We will create a custom view that will display information...

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