SwiftUI SwiftUI Lists and Forms 1

Question 1

Which SwiftUI view renders a scrollable list of rows?

Accepted Answer

List

Answer

`List` renders a platform-styled scrollable list with built-in support for separators, selection, and swipe actions.

Question 2

How do you make List rows deletable in SwiftUI?

Accepted Answer

.onDelete(perform:) inside ForEach

Answer

Adding `.onDelete(perform:)` to a `ForEach` inside a `List` enables swipe-to-delete with the system delete gesture.

Question 3

What modifier enables drag-to-reorder rows in a SwiftUI List?

Accepted Answer

.onMove(perform:)

Answer

`.onMove(perform:)` added to a `ForEach` inside a `List` enables the drag reorder handle when the list is in edit mode.

Question 4

Which property wrapper provides edit mode state to a SwiftUI List?

Accepted Answer

@Environment(\.editMode)

Answer

`@Environment(\.editMode)` reads and writes the current edit mode, enabling selection and reorder controls in a List.

Question 5

How do you add a section with a header to a SwiftUI List?

Accepted Answer

Section(header:) { rows }

Answer

Wrap rows in a `Section` view with a `header` parameter to create grouped sections inside a List.

SwiftUI Practice Test