import 'package:flutter_calendar_carousel/flutter_calendar_carousel.dart' show CalendarCarousel;
Widget widget() {
  return Container(
    margin: EdgeInsets.symmetric(horizontal: 16.0),
    child: CalendarCarousel<Event>(
      onDayPressed: (DateTime date, List<Event> events) {
        this.setState(() => _currentDate = date);
      },
      weekendTextStyle: TextStyle(
        color: Colors.red,
      ),
      thisMonthDayBorderColor: Colors.grey,
//      weekDays: null, /// for pass null when you do not want to render weekDays
//      headerText: Container( /// Example for rendering custom header
//        child: Text('Custom Header'),
//      ),
      customDayBuilder: (   /// you can provide your own build function to make custom day containers
        bool isSelectable,
        int index,
        bool isSelectedDay,
        bool isToday,
        bool isPrevMonthDay,
        TextStyle textStyle,
        bool isNextMonthDay,
        bool isThisMonthDay,
        DateTime day,
      ) {
          /// If you return null, [CalendarCarousel] will build container for current [day] with default function.
          /// This way you can build custom containers for specific days only, leaving rest as default.

          // Example: every 15th of month, we have a flight, we can place an icon in the container like that:
          if (day.day == 15) {
            return Center(
              child: Icon(Icons.local_airport),
            );
          } else {
            return null;
          }
      },
      weekFormat: false,
      markedDatesMap: _markedDateMap,
      height: 420.0,
      selectedDateTime: _currentDate,
      daysHaveCircularBorder: false, /// null for not rendering any border, true for circular border, false for rectangular border
    ),
  );
}