50 lines
1.2 KiB
Swift
50 lines
1.2 KiB
Swift
import SwiftUI
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import SwiftUINavigation
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@available(iOS 15, macOS 12, tvOS 15, watchOS 8, *)
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struct OptionalConfirmationDialogs: View {
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@ObservedObject private var model = FeatureModel()
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var body: some View {
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List {
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Stepper("Number: \(self.model.count)", value: self.$model.count)
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Button(action: { self.model.numberFactButtonTapped() }) {
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HStack {
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Text("Get number fact")
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if self.model.isLoading {
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Spacer()
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ProgressView()
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}
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}
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}
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.disabled(self.model.isLoading)
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}
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.confirmationDialog(
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title: { Text("Fact about \($0.number)") },
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titleVisibility: .visible,
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unwrapping: self.$model.fact,
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actions: {
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Button("Get another fact about \($0.number)") {
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self.model.numberFactButtonTapped()
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}
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},
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message: { Text($0.description) }
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)
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.navigationTitle("Dialogs")
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}
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}
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private class FeatureModel: ObservableObject {
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@Published var count = 0
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@Published var isLoading = false
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@Published var fact: Fact?
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func numberFactButtonTapped() {
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Task { @MainActor in
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self.isLoading = true
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defer { self.isLoading = false }
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self.fact = await getNumberFact(self.count)
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}
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}
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}
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