Adding buttons to NavigationView and activating navigation programmatically

As in UIKit, it is possible to add custom buttons to NavigationView. This is achieved by using the .toolbar modifier and placing a ToolbarItem inside it.

If you don’t specify the placement, for left-to-right languages, the default placement of .ToolbarItem will be positioned on the right, and it will switch to the left for right-to-left languages.

Typically, you will add a Button to ToolbarItem. But if you are on iOS 16, NavigationView can be substituted with NavigationStack, without changing anything else.

The following code example illustrates how to add buttons to a NavigationView, specifying the placement explicitly in both cases:

import SwiftUI
struct ContentView: View {
    var body: some View {
        NavigationView {
            Text("Example of adding tabbaritems...