ContentView.swift

import SwiftUI

struct ContentView: View {
     @State var count: Int = 0
    var body: some View {
         VStack(spacing:50.0)
               {
                Text("Number \(count)")
                   .fontWeight(.bold)
                   .font(.title)
                    .padding();
                
                   Button(action: {
                       //Perform Action
                    self.count=self.count+1
                   })
                   {
                    
                       //Design Button
                       Text("Increase Counter")
                           .fontWeight(.bold)
                           .font(.title)
                           .padding()
                           .background(Color.red)
                           .cornerRadius(30)
                           .foregroundColor(.white)
                           .padding(10)
                       
                   }
                   
               }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}