NavigationLink in iOS Swift - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is NavigationLink used for in SwiftUI?

NavigationLink creates a tappable item that moves the user to a new screen or view when tapped, helping to navigate between views.

beginner

How do you create a simple NavigationLink in SwiftUI?

Use NavigationLink with a destination view and a label, like: NavigationLink(destination: Text("Next Screen")) { Text("Go") }

beginner

What container must you use to enable NavigationLink to work properly?

You must place NavigationLink inside a NavigationStack to enable navigation and show a navigation bar.

intermediate

Can NavigationLink be triggered programmatically without tapping?

Yes, by using a binding Boolean with NavigationLink's isActive parameter, you can control navigation in code.

beginner

What happens if you use NavigationLink outside of a NavigationStack?

The link will not navigate or show a navigation bar, so the user won't see the new screen properly.

Which SwiftUI container is required to make NavigationLink work?

A VStack

B ZStack

C NavigationStack

D List

NavigationStack provides the navigation context and bar needed for NavigationLink to function.

How do you specify the screen to show when a NavigationLink is tapped?

A Using the action parameter

B Using the label parameter

C Using the title parameter

D Using the destination parameter

The destination parameter defines the view to navigate to when tapped.

What type of value can you use to programmatically trigger a NavigationLink?

A Binding Boolean

B Integer

C String

D Array

A Binding Boolean controls the active state of the NavigationLink.

What does the label parameter in NavigationLink define?

A The destination view

B The tappable content shown to the user

C The navigation bar title

D The background color

The label is the visible part the user taps to navigate.

If NavigationLink is outside NavigationStack, what is the result?

A Navigation does not work properly

B It works normally

C App crashes

D Navigation bar appears but no navigation

NavigationStack is required for NavigationLink to present new views correctly.

Explain how to create a NavigationLink in SwiftUI and what it does.

Think about how tapping a button moves you to a new screen.

Describe the role of NavigationStack when using NavigationLink.

Consider the frame or stage where navigation happens.