showPicker method Null safety

Future<DateTime?> showPicker(
  1. BuildContext context,
  2. {bool showTitleActions = true,
  3. DateChangedCallback? onChanged,
  4. DateChangedCallback? onConfirm,
  5. DateCancelledCallback? onCancel,
  6. dynamic locale = LocaleType.en,
  7. BasePickerModel? pickerModel,
  8. DatePickerTheme? theme}
)

Display date picker bottom sheet witch custom picker model.

Implementation

static Future<DateTime?> showPicker(
  BuildContext context, {
  bool showTitleActions: true,
  DateChangedCallback? onChanged,
  DateChangedCallback? onConfirm,
  DateCancelledCallback? onCancel,
  locale: LocaleType.en,
  BasePickerModel? pickerModel,
  DatePickerTheme? theme,
}) async {
  return await Navigator.push(
    context,
    _DatePickerRoute(
      showTitleActions: showTitleActions,
      onChanged: onChanged,
      onConfirm: onConfirm,
      onCancel: onCancel,
      locale: locale,
      theme: theme,
      barrierLabel:
          MaterialLocalizations.of(context).modalBarrierDismissLabel,
      pickerModel: pickerModel,
    ),
  );
}