createRecognizer method

  1. @protected
MultiDragGestureRecognizer<MultiDragPointerState> createRecognizer (GestureMultiDragStartCallback onStart)
@protected

Creates a gesture recognizer that recognizes the start of the drag.

Subclasses can override this function to customize when they start recognizing a drag.

Implementation 

@protected
MultiDragGestureRecognizer<MultiDragPointerState> createRecognizer(GestureMultiDragStartCallback onStart) {
  switch (affinity) {
    case Axis.horizontal:
      return HorizontalMultiDragGestureRecognizer()..onStart = onStart;
    case Axis.vertical:
      return VerticalMultiDragGestureRecognizer()..onStart = onStart;
  }
  return ImmediateMultiDragGestureRecognizer()..onStart = onStart;
}