color property Null safety

Color? color
final

Used to specify the background color of TimeRegion.

 Widget build(BuildContext context) {
   return Container(
     child: SfCalendar(
       view: CalendarView.week,
       specialRegions: _getTimeRegions(),
     ),
   );
 }

 List<TimeRegion> _getTimeRegions() {
   final List<TimeRegion> regions = <TimeRegion>[];
   regions.add(TimeRegion(
       startTime: DateTime.now(),
       endTime: DateTime.now().add(Duration(hours: 1)),
       enablePointerInteraction: false,
       color: Colors.grey.withOpacity(0.2),
       text: 'Break'));

   return regions;
 }

Implementation

final Color? color;