Your Second iOS & SwiftUI App

Nov 4 2021 · Swift 5.5, iOS 15, Xcode 13

Part 2: Data Flow

14. Confirmation Dialogs

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Previous episode: 13. Color Schemes Next episode: 15. Challenge: Image Deletion Button

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At this point, you’re providing a way for users to set images for books, and update them. But there may be cases where they’d like to delete their custom images, and go back to the default.

      PHPickerViewController.View(image: $image)
    .confirmationDialog(<#T##title: StringProtocol##StringProtocol#>, isPresented: <#T##Binding<Bool>#>, actions: <#T##() -> View#>, message: <#T##() -> View#>)
      "Delete image for \(book.title)?",
image: .constant(nil))
.alert(isPresented: .constant(true)) {
      isPresented: .constant(true)) {
      } message: {
        🟩Text("Delete image for \(book.title)?")
Button("Delete", role: .destructive)
Button("Delete", role: .destructive) { image = nil }