GestureLongPressStartCallback typedef

void GestureLongPressStartCallback (LongPressStartDetails details)

Callback signature for LongPressGestureRecognizer.onLongPressStart.

Called when a pointer has remained in contact with the screen at the same location for a long period of time. Also reports the long press down position.

Implementation

typedef GestureLongPressStartCallback = void Function(LongPressStartDetails details);