Mastering WidgetKit in SwiftUI 4, iOS 16 with Dynamic Island - Stock Service

This video tutorial guides viewers through creating a stock service in Swift. It covers setting up the file with correct target membership, defining a struct with an async function to fetch stock data, constructing a URL with error handling, using URL sessions to retrieve data, and decoding JSON responses. The tutorial concludes with a preview of creating a stock view in the next video.

Describe how the stock data is fetched and processed in the service.

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What will happen if the response from the API is not valid?

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