GestureTapDragDownCallback typedef

GestureTapDragDownCallback = void Function(TapDragDownDetails details)

Signature for when a pointer that might cause a tap has contacted the screen.

The position at which the pointer contacted the screen is available in the details.

The consecutive tap count at the time the pointer contacted the screen is given by TapDragDownDetails.consecutiveTapCount.

Used by BaseTapAndDragGestureRecognizer.onTapDown.

Implementation

typedef GestureTapDragDownCallback  = void Function(TapDragDownDetails details);