How do I handle global error banners in SwiftUI with Swift?

This example demonstrates how to handle global error banners in SwiftUI using simple state management.
SwiftUI, error handling, global error banner, state management.
import SwiftUI struct ContentView: View { @State private var errorMessage: String? = nil var body: some View { VStack { Button("Trigger Error") { errorMessage = "An error occurred. Please try again." } .padding() } .overlay( ErrorBanner(message: errorMessage, isShowing: $errorMessage) .padding(.top, 50), alignment: .top ) } } struct ErrorBanner: View { var message: String? @Binding var isShowing: String? var body: some View { if let message = message { Text(message) .padding() .background(Color.red) .foregroundColor(.white) .cornerRadius(8) .onTapGesture { withAnimation { isShowing = nil } } .transition(.slide) } } } @main struct MyApp: App { var body: some Scene { WindowGroup { ContentView() } } } ` contains both the description and keywords specific to the topic of handling global error banners in SwiftUI. - The SwiftUI code is structured within a `` block with the class `hljs language-php` for syntax highlighting. Despite being Swift code, it's placed in a language element for demonstration purposes. - Keywords and description are clearly delineated in their respective `
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SwiftUI error handling global error banner state management.