SwiftUI SwiftUI Navigation 2

Question 1

How do you present a modal sheet in SwiftUI?

Accepted Answer

.sheet(isPresented:content:)

Answer

.modal(isPresented:content:)

Answer

.present()

Answer

.overlay(isPresented:)

Question 2

What is the difference between `.sheet` and `.fullScreenCover` in SwiftUI?

Accepted Answer

.fullScreenCover covers the entire screen including the status bar

Answer

They are identical

Answer

.sheet is only for iPad

Answer

.fullScreenCover cannot be dismissed by the user

Question 3

How can a presented sheet dismiss itself in SwiftUI?

Accepted Answer

Both B and C work

Answer

Call dismiss() on the view

Answer

Use @Environment(\.dismiss) and call dismiss()

Answer

Set isPresented to false directly

Question 4

Which SwiftUI modifier presents an alert?

Accepted Answer

Both work (different iOS versions)

Answer

.alert(isPresented:content:)

Answer

.alert(_:isPresented:actions:)

Answer

.dialog(isPresented:)

Question 5

What view implements a tab bar in SwiftUI?

Accepted Answer

TabView

Answer

NavigationStack

Answer

PageView

Answer

SegmentedView

Question 6

How do you programmatically select a tab in SwiftUI's `TabView`?

Accepted Answer

Use `TabView(selection:)` with a binding and `.tag()` on each tab

Answer

Call tabView.select(tag:)

Answer

Use @EnvironmentObject to share selection

Answer

Use NavigationStack inside TabView