28.3 SwiftUI NavigationView and NavigationLink
To make items in a list navigable, the first step is to embed the entire list within a NavigationView. Once the list is embedded, the individual rows must be wrapped in a NavigationLink control which is, in turn, configured with the destination view to which the user is to be taken when the row is tapped.
The NavigationView title bar may also be customized using modifiers on the List component to set the title and to add buttons to perform additional tasks. In the following code fragment the title is set to “To Do List” and a button labeled “Add” is added as a bar item and configured to call a hypothetical method named addTask():
NavigationView {
List {
.
.
}
.navigationBarTitle(Text("To Do List"))
.navigationBarItems(trailing: Button(action: addTask) {
...
