onPressCalendar method Null safety

dynamic onPressCalendar(
  1. BuildContext context
)

달력을 눌렀을때

Implementation

onPressCalendar(BuildContext context) async {
  LogManager().addLog("달력선택", action: LogConstants.buttonTap, screen: runtimeType.toString());
  DateTime? _dateTime =
      await Navigator.of(context, rootNavigator: true).pushNamed(DateTimePickerScreen.routeName, arguments: DateTimePickerScreenArguments(currentDateTime: selectedDateTime)) as DateTime?;

  // 날짜를 선택했을때만 실행
  if (_dateTime != null) {
    selectedDateTime = Helper().convertDateTimeToMidnight(_dateTime);
    if (forceRender != null) forceRender!();
    fetchAll();
    LogManager().addLog("달력날짜선택 - $selectedDateTime", action: LogConstants.buttonTap, screen: runtimeType.toString());
  }
}