An example Modal UI built with SwiftUI.

Modal.swift

//: An example Modal UI built with SwiftUI
  
import SwiftUI
import PlaygroundSupport

struct ContentView: View {
    @State private var emailAddress = ""
    var body: some View {
        VStack(spacing: 16) {
            Image(systemName: "envelope.fill")
                .font(.largeTitle).foregroundColor(.blue)
            Text("Sign up to our newsletter!").font(.title).fontWeight(.bold)
            Text("Since you love our content so much, why not get them every day in your inbox?")
                .multilineTextAlignment(.center)
            .foregroundColor(.secondary)
            .frame(width: 400)
            HStack(spacing: 0) {
                TextField("john@doe.xyz", text: $emailAddress)
                    .frame(height: 40)
                    .padding(.leading, 12)
                    .border(.gray)
                Button(action: {
                    // Handle onClick logic
                }) {
                    Text("Subscribe")
                        .foregroundColor(.white)
                }
                .padding(.horizontal, 16)
                .padding(.vertical, 10)
                .background(.black)
            }
            .frame(width: 400)
        }
        .padding(40)
    }
}
// Present the view controller in the Live View window
PlaygroundPage.current.setLiveView(ContentView())