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Swift Essentials

You're reading from   Swift Essentials Get up and running lightning fast with this practical guide to building applications with Swift

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Product type Paperback
Published in Dec 2014
Publisher
ISBN-13 9781784396701
Length 228 pages
Edition 1st Edition
Languages
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Authors (2):
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Bandlem Limited Bandlem Limited
Author Profile Icon Bandlem Limited
Bandlem Limited
Alex Blewitt Alex Blewitt
Author Profile Icon Alex Blewitt
Alex Blewitt
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Toc

Loading data from URLs

The most common way to load data from a remote network source is to use an HTTP (or HTTPS) URL of the form https://raw.githubusercontent.com/alblue/com.packtpub.swift.essentials/master/CustomViews/CustomViews/SampleTable.json.

URLs can be manipulated with the NSURL class, which comes from the Foundation module (which is transitively imported from the UIKit module). The main NSURL initializer takes a String initializer with a full URL, although other initializers exist for creating relative URLs or for references to file paths.

The NSURLSession class is typically used to perform operations with URLs, and individual sessions can be created through the initializer or the standard shared session can be used.

Tip

The NSURLConnection class was used in older versions of iOS and Mac OS X. References to this class might still be seen in some tutorials, or might be required if Mac OS X 10.8 or iOS 6 needs to be supported; otherwise, the NSURLSession class should be preferred.

The...

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