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How to recommend another app using appStoreOverlay()

Paul Hudson    @twostraws   

Updated for Xcode 12.0

New in iOS 14

SwiftUI gives us a dedicated modifier that can recommend other apps on the App Store, which is a great way to cross-sell to users – “if you liked this, you’ll also like that”, and so on.

This modifier needs some state to watch that will determine whether the App Store overlay is active or not, along with an SKOverlay.AppConfiguration that determines which app to recommend.

For example, this will recommend a particular app when the button is pressed:

struct ContentView: View {
    @State private var showRecommended = false

    var body: some View {
        Button("Show Recommended App") {
            self.showRecommended.toggle()
        }
        .appStoreOverlay(isPresented: $showRecommended) {
            SKOverlay.AppConfiguration(appIdentifier: "1440611372", position: .bottom)
        }
    }
}
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