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in Technique[技术] by (71.8m points)

ios - Presenting UIActivityViewController from SwiftUI View

I'm trying to present a UIActivityViewController (share sheet) from a SwiftUI View. I created a view called ShareSheet conformed to UIViewControllerRepresentable to configure the UIActivityViewController, but it's turning out to be not as trivial to actually present this.

struct ShareSheet: UIViewControllerRepresentable {
    typealias UIViewControllerType = UIActivityViewController

    var sharing: [Any]

    func makeUIViewController(context: UIViewControllerRepresentableContext<ShareSheet>) -> UIActivityViewController {
        UIActivityViewController(activityItems: sharing, applicationActivities: nil)
    }

    func updateUIViewController(_ uiViewController: UIActivityViewController, context: UIViewControllerRepresentableContext<ShareSheet>) {

    }
}

Doing so naively via .sheet leads to the following.

.sheet(isPresented: $showShareSheet) {
    ShareSheet(sharing: [URL(string: "https://example.com")!])
}

screenshot of failed controller presentation

Is there a way to present this like it's usually presented? As in covering half the screen?

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by (71.8m points)

Hope this will help you,

struct ShareSheetView: View {
    var body: some View {
        Button(action: actionSheet) {
            Image(systemName: "square.and.arrow.up")
                .resizable()
                .aspectRatio(contentMode: .fit)
                .frame(width: 36, height: 36)
        }
    }
    
    func actionSheet() {
        guard let data = URL(string: "https://www.apple.com") else { return }
        let av = UIActivityViewController(activityItems: [data], applicationActivities: nil)
        UIApplication.shared.windows.first?.rootViewController?.present(av, animated: true, completion: nil)
    }
}

enter image description here


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