brightness property Null safety

Brightness brightness

The brightness of the overall theme of the application for the date picker widget.

If brightness is not specified, then based on the Theme.of(context).brightness, brightness for date range picker widgets will be applied.

Also refer Brightness.

Widget build(BuildContext context) {
  return Scaffold(
    appBar: AppBar(),
    body: Center(
      child: SfTheme(
        data: SfThemeData(
          dateRangePickerThemeData: SfDateRangePickerThemeData(
            brightness: Brightness.light
        child: SfDateRangePicker(),


final Brightness brightness;