Uplift iOS Interview
"Uplift iOS Interview" is a comprehensive guide to help aspiring iOS developers soar to new heights in their careers. This book is an indispensable tool for anyone looking to crack the iOS interview and impress their future employers with their technical prowess. With in-depth coverage of Swift, AutoLayout, SwiftUI, Multithreading, Memory management so on and so forth, this book is a treasure trove of knowledge for anyone looking to uplift their iOS development career.
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"]) }
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- Uplift iOS Interview - A Comprehensive Guide to iOS Interview
- Xcode Cheat Sheet for Swift
- Xcode Cheat Sheet for SwiftUI
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