formatMonthYear method
Formats the month and the year of the given date
.
The returned string does not contain the day of the month. This appears in the date picker invoked using showDatePicker.
Implementation
@override
String formatMonthYear(DateTime date) {
final jalaliDate = Jalali.fromDateTime(date);
return '${_months[jalaliDate.month - 1]} ${jalaliDate.year}'; // Month-year format
}