SwiftUI SwiftUI Navigation

Question 1

Which view provides a navigation stack with a back button in SwiftUI (iOS 16+)?

Accepted Answer

NavigationStack

Answer

`NavigationStack` replaced `NavigationView` in iOS 16 as the preferred stack-based navigation container.

Question 2

What modifier triggers navigation to a destination view when a view is tapped in a NavigationStack?

Accepted Answer

Both B and C depending on iOS version

Answer

In iOS 16+ you can use `NavigationLink` or the data-driven `.navigationDestination(for:destination:)` modifier to navigate.

Question 3

What does `NavigationSplitView` provide in SwiftUI?

Accepted Answer

A two- or three-column sidebar navigation layout

Answer

`NavigationSplitView` creates a sidebar/detail or sidebar/content/detail layout, adapting between iPad and iPhone automatically.

Question 4

How do you set the title shown in the navigation bar for a SwiftUI view?

Accepted Answer

Both B and C work

Answer

Both `.navigationTitle()` (iOS 14+) and the older `.navigationBarTitle()` set the navigation bar title.

Question 5

Which modifier adds a button to the navigation bar's trailing edge?

Accepted Answer

Both A and B work

Answer

Both `.toolbar` with `ToolbarItem` (preferred in iOS 14+) and the older `.navigationBarItems(trailing:)` can add trailing bar buttons.

SwiftUI Practice Test