Uplift iOS Interview
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There is no built in share sheet in SwiftUI but you can easily implement a share sheet using UIActivityViewController. UIActivityViewController is a simplified built in interface to share contents such as texts, images and URLs. You can also define custom actions as well using UIActivityViewController.
Let’s create an UIViewControllerRepresentable for UIActivityViewController and pass some text to share.
The ShareSheetView will look like –
import SwiftUI
struct ShareSheetView: UIViewControllerRepresentable {
typealias Callback = (_ activityType: UIActivity.ActivityType?, _ completed: Bool, _ returnedItems: [Any]?, _ error: Error?) -> Void
let activityItems: [Any]
let applicationActivities: [UIActivity]? = nil
let excludedActivityTypes: [UIActivity.ActivityType]? = nil
let callback: Callback? = nil
func makeUIViewController(context: Context) -> UIActivityViewController {
let controller = UIActivityViewController(
activityItems: activityItems,
applicationActivities: applicationActivities)
controller.excludedActivityTypes = excludedActivityTypes
controller.completionWithItemsHandler = callback
return controller
}
func updateUIViewController(_ uiViewController: UIActivityViewController, context: Context) {
// nothing to do here
}
}
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Full code
import SwiftUI
struct ContentView: View {
@State private var isShareSheetPresented = false
var body: some View {
Button(action: {
self.isShareSheetPresented.toggle()
}) {
Text("Share")
Image(systemName: "square.and.arrow.up")
}
}
}
.sheet(isPresented: $isShareSheetPresented) {
ShareSheetView(activityItems: ["Hello World"])
}
Planning to apply for an iOS job? Check out this article to uplift your resume! Also helpful – SwiftUI and Swift Interview preparation. Happy job hunting!
✍️ Written by Ishtiak Ahmed
👉 Follow me on X ● LinkedIn
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