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How to show multiple alerts in a single view

Paul Hudson    @twostraws   

Updated for Xcode 12.5

SwiftUI makes it relatively easy to show a single alert, but things become trickier if you try to show two or more alerts from a single view – you might find that one alert works and the other doesn’t, for example.

To solve this, you need to make sure you attach no more than one alert() modifier to each view. That might sound limiting, but remember: you don’t need to attach the alerts to the same view – you can attach them anywhere. In fact, you might find that attaching them directly to the thing that shows them (e.g. a button) works best for you.

As an example, we can write some code defines two @State properties that each control an alert being shown. Rather than attaching both alert() modifiers to the same VStack, this attaches them each to whichever button is responsible for showing that alert:

struct ContentView: View {
    @State private var showingAlert1 = false
    @State private var showingAlert2 = false

    var body: some View {
        VStack {
            Button("Show 1") {
                showingAlert1 = true
            .alert(isPresented: $showingAlert1) {
                Alert(title: Text("One"), message: nil, dismissButton: .cancel())

            Button("Show 2") {
                showingAlert2 = true
            .alert(isPresented: $showingAlert2) {
                Alert(title: Text("Two"), message: nil, dismissButton: .cancel())

If you try moving both alert() modifiers to the VStack, you’ll find that only one works, which is why the above approach is so useful.

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