Showing a tab bar title with NavigationView
NavigationView creates a navigation bar in SwiftUI, and it should be used as a container for whatever view you are trying to display. Here’s a simple example:
import SwiftUI
struct ContentView: View {
    var body: some View {
        NavigationView {
            VStack{
                Text("This is a simple view")
                Text("inside a NavigationView")
                    .navigationTitle("Navigation Title")
            }
      ...