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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.

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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

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Review the concepts covered in this part and preview the next part of the course.

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Working with tasks often means setting priorities and figuring out what to cache. This episode covers what you need to know.

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In this episode, put the download task to use by downloading music from iTunes preview API.

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Put your downloading skills to the test by downloading some album artwork and displaying it on the screen.

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In this episode, learn how to display download progress as a file is downloaded.

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