Modern Concurrency: Getting Started

Oct 18 2022 · Swift 5.5, iOS 15, Xcode 13.4

Part 2: Asynchronous Sequences

12. Displaying a Progress View

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DownloadView has a Boolean State property isDownloadActive. It passes a binding to this property to FileDetails, where its value controls the display of a ProgressView — a spinning activity indicator — next to the filename.

Start spinner

In the downloadSingleAction definition, I added this code before Task:

isDownloadActive = true
do {
  fileData = try await file)
} catch { }
isDownloadActive = false