Networking with URLSession-0daytown

Learn how to use URLSession, Apple’s networking API, including when and how to use data, download and upload tasks, with or without a custom session delegate, and how the system manages background sessions and WebSockets. Leverage the Combine API and SwiftUI to take your networking to the next level. Updated for iOS 13 and Swift 5.2.

Who is this for?

Intermediate developers. You should be comfortable with the Swift programming language and up to speed on the SwiftUI framework. You should also have some working knowledge of the Combine framework.

You’ll start by getting an overview of concurrency then you’ll learn how to make simple network requests. Later, you’ll learn how to download and upload files and how to set up background sessions. Ultimately, you’ll leverage the power of the Combine framework to make your requests.

Finally, you’ll learn about authentication, Apple’s Transport Security and reading and writing cookies.

Covered concepts

• URLSession Configuration
• URLSession Connections
• Downloading Files
• Uploading Data
• Pausing, Resuming and Canceling Data
• Showing Network Progress
• Simulating Different Network Speeds
• Vapor Framework
• Background Downloading
• WebSockets
• URLSession and Combine
• Authentication
• Application Transport Security
• Cookies

Networking with URLSession