如何在颤振表日历中添加假期

Question

I am going to develop a holiday app in flutter using table calendar package.how can i add only special holidays in to calender.In my code every month 20 show as selected date.i want to select specific holiday in all the months.how can i do this.

develop holiday calender using flutter

my code is below.

import 'package:flutter/material.dart';
import 'package:table_calendar/table_calendar.dart';


class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SafeArea(
        child: TableCalendar(
          firstDay: DateTime.utc(2010, 01, 01),
          lastDay: DateTime.utc(2030, 12, 31),
          focusedDay: DateTime.now(),
          holidayPredicate: (day) {
            // Every 20th day of the month will be treated as a holiday
            return day.day == 20;
          },
          selectedDayPredicate: (day) {
            return isSameDay(_selectedDay, day);
          },
          onDaySelected: (selectedDay, focusedDay) {
            setState(() {
              _selectedDay = selectedDay;
            });
          },
        ),
      ),
    );
  }
}

Answer 1

You can set any function there:

holidayPredicate: (day) {
          // Weekends
          return day.weekday >= 6;
        },