SwiftUI SwiftUI Gestures and Interactions 3

Question 1

Which protocol must a type conform to in order to be used with the `.draggable()` modifier?

Accepted Answer

Transferable

Answer

DragRepresentable

Answer

DragProvider

Answer

NSItemProviderWriting

Question 2

Which modifier on a SwiftUI view receives dropped items in a drag-and-drop operation?

Accepted Answer

.dropDestination(for:action:)

Answer

.onDrop(of:action:)

Answer

.dropReceiver(for:)

Answer

.acceptDrop(of:)

Question 3

What happens to a `@GestureState` variable when the user lifts their finger and the gesture ends?

Accepted Answer

It resets to its initial value automatically

Answer

It retains its last value

Answer

It becomes nil

Answer

It triggers an onEnded callback only

Question 4

In SwiftUI, how do you make a view respond to hover events on macOS or iPadOS with pointer?

Accepted Answer

.onHover { isHovered in }

Answer

.onPointerEnter { }

Answer

.hoverEffect { }

Answer

.onMouseOver { }

Question 5

Which SwiftUI modifier adds a visual hover effect on supported devices without custom logic?

Accepted Answer

.hoverEffect()

Answer

.onHover { }

Answer

.pointerStyle()

Answer

.highlightOnHover()

Question 6

What is the correct way to disable a gesture on a view in SwiftUI?

Accepted Answer

.gesture(MyGesture(), including: .none)

Answer

.disableGesture(MyGesture())

Answer

.gesture(MyGesture()).disabled(true)

Answer

.ignoreGesture(MyGesture())

Question 7

Which closure on a SwiftUI gesture fires exactly once when the user completes the gesture?

Accepted Answer

.onEnded { }

Answer

.onCompleted { }

Answer

.onFinished { }

Answer

.onDone { }