NavigationStack in iOS Swift - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is NavigationStack in SwiftUI?

NavigationStack is a container view that manages a stack of views for navigation. It lets users move forward and backward through screens, like pages in a book.

beginner

How do you push a new view onto the NavigationStack?

You use NavigationLink inside the NavigationStack. When tapped, it pushes the destination view onto the stack.

intermediate

What is the difference between NavigationStack and NavigationView?

NavigationStack is the modern replacement for NavigationView in iOS 16+. It provides better control and supports programmatic navigation.

intermediate

How can you programmatically control navigation in NavigationStack?

You bind a state variable to the NavigationStack's path. Changing this path variable pushes or pops views programmatically.

beginner

Why is NavigationStack important for accessibility?

NavigationStack maintains a clear navigation hierarchy, helping screen readers understand the app flow. It also supports standard back gestures.

Which SwiftUI view is used to create a navigation stack?

A List

B NavigationView

C TabView

D NavigationStack

NavigationStack is the correct view for managing a stack of navigable views in SwiftUI.

How do you add a new screen to the navigation stack?

A Use VStack

B Use TabView

C Use NavigationLink with a destination view

D Use Button only

NavigationLink pushes a new view onto the NavigationStack when tapped.

What iOS version introduced NavigationStack as a replacement for NavigationView?

A iOS 16

B iOS 15

C iOS 13

D iOS 14

NavigationStack was introduced in iOS 16 to improve navigation handling.

Which property do you bind to control navigation programmatically in NavigationStack?

A isActive

B path

C selection

D tag

The path property holds the stack of views and can be changed to navigate programmatically.

What gesture does NavigationStack support for going back?

A Swipe from left edge

B Double tap

C Pinch

D Long press

NavigationStack supports the standard swipe from the left edge to go back.

Explain how NavigationStack manages navigation in a SwiftUI app.

Think about how pages in a book work and how you move forward or backward.

Describe how you can navigate programmatically using NavigationStack.

Consider changing a list of screens to control navigation.