How to add actions to alert buttons
Fully updated for Xcode 11.4
Basic SwiftUI alerts look like this:
Alert(title: Text("Important message"), message: Text("Wear sunscreen"), dismissButton: .default(Text("Got it!")))However, you will often want to attach actions to buttons to perform specific actions when they are tapped. To do that, attach a closure to your button that will be called when it’s tapped, like this:
struct ContentView: View {
@State private var showingAlert = false
var body: some View {
Button(action: {
self.showingAlert = true
}) {
Text("Show Alert")
}
.alert(isPresented:$showingAlert) {
Alert(title: Text("Are you sure you want to delete this?"), message: Text("There is no undo"), primaryButton: .destructive(Text("Delete")) {
print("Deleting...")
}, secondaryButton: .cancel())
}
}
}
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