DropdownButtonNoSelDisp<T> constructor Null safety

DropdownButtonNoSelDisp<T>(
  1. {Key? key,
  2. required List<DropdownMenuItem<T>>? items,
  3. DropdownButtonBuilder? selectedItemBuilder,
  4. T? value,
  5. Widget? hint,
  6. Widget? disabledHint,
  7. ValueChanged? onChanged,
  8. VoidCallback? onTap,
  9. int elevation = 8,
  10. TextStyle? style,
  11. Widget? underline,
  12. Widget? icon,
  13. Color? iconDisabledColor,
  14. Color? iconEnabledColor,
  15. double iconSize = 24.0,
  16. bool isDense = false,
  17. bool isExpanded = false,
  18. double? itemHeight = kMinInteractiveDimension,
  19. Color? focusColor,
  20. FocusNode? focusNode,
  21. bool autofocus = false,
  22. Color? dropdownColor,
  23. double? menuMaxHeight}
)

Implementation

DropdownButtonNoSelDisp({
  Key? key,
  required List<DropdownMenuItem<T>>? items,
  DropdownButtonBuilder? selectedItemBuilder,
  T? value,
  Widget? hint,
  Widget? disabledHint,
  ValueChanged<dynamic>? onChanged,
  VoidCallback? onTap,
  int elevation = 8,
  TextStyle? style,
  Widget? underline,
  Widget? icon,
  Color? iconDisabledColor,
  Color? iconEnabledColor,
  double iconSize = 24.0,
  bool isDense = false,
  bool isExpanded = false,
  double? itemHeight = kMinInteractiveDimension,
  Color? focusColor,
  FocusNode? focusNode,
  bool autofocus = false,
  Color? dropdownColor,
  double? menuMaxHeight,
}) : super(
        key: key,
        items: items,
        selectedItemBuilder: selectedItemBuilder,
        value: value,
        hint: hint,
        disabledHint: disabledHint,
        onChanged: onChanged,
        onTap: onTap,
        elevation: elevation,
        style: style,
        underline: underline,
        icon: icon,
        iconDisabledColor: iconDisabledColor,
        iconEnabledColor: iconEnabledColor,
        iconSize: iconSize,
        isDense: isDense,
        isExpanded: isExpanded,
        itemHeight: itemHeight,
        focusColor: focusColor,
        focusNode: focusNode,
        autofocus: autofocus,
        dropdownColor: dropdownColor,
        menuMaxHeight: menuMaxHeight,
      );