selectedIndex property

int get selectedIndex

Returns the index of the selected item in this controller's radio group.

Note: If no item is selected, this method will return -1.

@throws ControllerDecoupledException If the controller cannot access the value of its radio group.

Implementation

int get selectedIndex {
  if (_myRadioGroup != null) {
    return _myRadioGroup!.selectedIndex;
  }

  // If it makes it to this point, something has gone wrong.
  throw ControllerDecoupledException(radioGroupController: this);
}