SwiftUI SwiftUI Lists and Forms 2

Question 1

Which view in SwiftUI is designed for data-entry forms?

Accepted Answer

Form

Answer

`Form` renders an adaptive grouped-list layout optimized for user input, automatically styling controls like Toggle and Picker.

Question 2

How do you bind a `TextField` to a state variable in SwiftUI?

Accepted Answer

TextField("Label", text: $name)

Answer

`TextField` takes a localized string key for its label and a `Binding<String>` for its text value.

Question 3

What does the `.keyboardType()` modifier do on a TextField?

Accepted Answer

Sets the type of software keyboard displayed (e.g., .emailAddress, .numberPad)

Answer

`.keyboardType(_:)` specifies which keyboard layout appears when the TextField becomes active.

Question 4

Which SwiftUI control presents a list of options for the user to choose from?

Accepted Answer

Picker

Answer

`Picker` renders a selection control whose style (wheel, menu, segmented, inline) adapts to context.

Question 5

How do you create an on/off toggle in SwiftUI?

Accepted Answer

Toggle("Label", isOn: $flag)

Answer

`Toggle` takes a label string and an `isOn` Binding<Bool>, rendering as a system toggle switch.

SwiftUI Practice Test