radius property Null safety

Radius? radius

Radius of corners if the scrollbar should have rounded corners.

Scrollbar will be rectangular if radius is null.

Implementation

Radius? get radius => _radius;
void radius=(Radius? value)

Implementation

set radius(Radius? value) {
  assert(shape == null || value == null);
  if (radius == value) {
    return;
  }

  _radius = value;
  notifyListeners();
}