createRecognizer method Null safety

  1. @protected
MultiDragGestureRecognizer createRecognizer()

Provides the gesture recognizer used to indicate the start of a reordering drag operation.

By default this returns an ImmediateMultiDragGestureRecognizer but subclasses can use this to customize the drag start gesture.

Implementation

@protected
MultiDragGestureRecognizer createRecognizer() {
  return ImmediateMultiDragGestureRecognizer(debugOwner: this);
}