SwiftUI SwiftUI Views and Layout

Question 1

Which SwiftUI view is used to stack child views vertically?

Accepted Answer

VStack

Answer

VStack arranges its child views in a vertical line.

Question 2

What modifier is used to set the background color of a SwiftUI view?

Accepted Answer

.background()

Answer

The `.background()` modifier applies a background color or view behind the modified view.

Question 3

Which view acts as a flexible spacer that expands to fill available space in a stack?

Accepted Answer

Spacer

Answer

Spacer expands to fill all available space along the stack's primary axis.

Question 4

What does the `.frame(width:height:)` modifier do in SwiftUI?

Accepted Answer

Sets the view's proposed size

Answer

`.frame(width:height:)` proposes a fixed size to the view and positions it within that frame.

Question 5

Which SwiftUI view overlays its children on top of each other?

Accepted Answer

ZStack

Answer

ZStack layers its child views along the Z-axis, drawing them on top of one another.

SwiftUI Practice Test