YouTube:

Source Code:

import SwiftUI

struct ContentView: View {
    
    @State var content = ""
    @State var isAlert = false
    
    init() {
        UITextView.appearance().backgroundColor = .clear
    }
    
    var body: some View {
        VStack {
            TextEditor(text: self.$content)
                .background(.gray)
                .frame(height: 200)
            
            Button("My button") {
                self.isAlert = true
            }
            .alert(isPresented: $isAlert) {
                Alert(title: Text("Title"), message: Text(content))
            }
        }.padding()
    }
}

#if DEBUG
struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}
#endif

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