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Swift Cookbook

You're reading from   Swift Cookbook Over 60 proven recipes for developing better iOS applications with Swift 5.3

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Product type Paperback
Published in Feb 2021
Publisher Packt
ISBN-13 9781839211195
Length 500 pages
Edition 2nd Edition
Languages
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Authors (3):
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Chris Barker Chris Barker
Author Profile Icon Chris Barker
Chris Barker
Keith D. Moon Keith D. Moon
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Keith D. Moon
Keith Moon Keith Moon
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Keith Moon
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Toc

Table of Contents (14) Chapters Close

Preface 1. Swift Building Blocks 2. Mastering the Building Blocks FREE CHAPTER 3. Data Wrangling with Swift Control Flow 4. Generics, Operators, and Nested Types 5. Beyond the Standard Library 6. Building iOS Apps with Swift 7. Swift Playgrounds 8. Server-Side Swift 9. Performance and Responsiveness in Swift 10. SwiftUI and Combine Framework 11. Using CoreML and Vision in Swift 12. About Packt 13. Other Books You May Enjoy

Fetching data with URLSession

Every app worth building will need to send or receive information from the internet at some point and therefore, networking support is a critical part of any development platform. In Swift, this support for networking is provided by the Foundation framework.

When we need to retrieve information from the internet, we send out a request to a server on the internet, and that server sends a response that hopefully contains the information we requested.

In this recipe, we will learn how to send network requests and receive a response using the Foundation framework.

Getting ready

It is helpful to know of the different components that Foundation provides that deal with networking and what they do:

  • URL: The address of a resource on a remote server. It contains information about the server and where the resource can be found on the server.
  • URLRequest: Represents the request that will be made to the remote server. Defines the URL of the resource, how the request should...
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