SwiftUI Data & ArchitectureLesson 53Free preview

Networking

This lesson is part of Swift · All levels

Summary

This lesson reviews the networking techniques in Swift using the URLSession and the Decodable protocol. Developers are taught how to send HTTP GET requests using the modern async/await syntax, validate HTTP status code, and perform instantaneous JSON data parsing to Swift struct.

Key points

URLSession is the Foundation's built-in API for handling HTTP/HTTPS requests
The 'URLSession.shared.data(from: url)' method is integrated with Swift Concurrency async/await
The 'Codable' protocol automatically serializes and deserializes the JSON format data
JSONDecoder maps the JSON response data to Swift struct models securely

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