SwiftUI SwiftUI Views and Layout 2

Question 1

Which container view in SwiftUI creates a scrollable list of items?

Accepted Answer

ScrollView

Answer

ForEach

Answer

LazyVStack

Answer

Group

Question 2

What does the `.padding()` modifier do when called with no arguments?

Accepted Answer

Adds system-default padding on all sides

Answer

Adds 0 padding

Answer

Adds padding only on leading and trailing

Answer

Removes existing padding

Question 3

Which view type should you use for a horizontally scrollable row of cards?

Accepted Answer

ScrollView(.horizontal) with HStack

Answer

VStack inside ScrollView

Answer

LazyHGrid

Answer

TabView

Question 4

What is the role of `GeometryReader` in SwiftUI?

Accepted Answer

It provides the parent view's size and coordinate space

Answer

It reads shape geometry for animations

Answer

It measures text line counts

Answer

It handles touch geometry

Question 5

Which alignment option centers content both horizontally and vertically in a ZStack?

Accepted Answer

.center

Answer

.leading

Answer

.topLeading

Answer

.bottomTrailing

Question 6

What does `LazyVStack` do differently compared to `VStack`?

Accepted Answer

It only renders views as they come on screen

Answer

It supports horizontal scrolling

Answer

It caches views off-screen

Answer

It supports sections automatically