selectItems<k> method Null safety

  1. @override
void selectItems<k>(
  1. List<k> values
)

select some/one item(s) in group values : (dynamic) value(s) of item(s) that should selected

Implementation

@override
void selectItems<k>(List<k> values) {
  assert(isMultipleSelection,
      "you cannot select multiple items in single selection group");
  if (values.length == 1) {
    select(values.first);
  }
  _widgetState.selectValues(values);
}