ButtonWidget constructor Null safety

ButtonWidget(
  1. {Key? key,
  2. Icon? lead,
  3. required String? label,
  4. Icon? trail,
  5. Color? borderColor,
  6. BoxShadow? borderShadow,
  7. BorderRadius borderRadius = Dimens.border_radius_small,
  8. double? width,
  9. double height = Dimens.button_height,
  10. EdgeInsets padding = Dimens.padding_small,
  11. EdgeInsets margin = Dimens.margin_zero,
  12. VisibilityMode visibility = VisibilityMode.Enable,
  13. VoidCallback? onPress}
)