icalendar_plus 0.0.6

This Dart plugin provides a comprehensive set of classes to create, manage, serialize, and parse iCalendar components. It supports creating events, to-dos, journals, alarms, free/busy times, timezones [...]

example/lib/main.dart

import 'dart:convert';

import 'package:icalendar_plus/icalendar.dart';

void main() {
   // Create Calendar Headers
  final headers = CalHeaders(
    prodId: '-//Your Organization//Your Product//EN',
    version: '2.0',
    calScale: 'GREGORIAN',
  );

  // Create ICalendar instance
  final calendar = ICalendar.instance(headers);

  final event = VEvent(
      uid: '[e-mail]',
      dtstamp: DateTime.now(),
      dtstart: DateTime.now().add(const Duration(days: 2)),
      dtend: DateTime.now().add(const Duration(days: 2, hours: 1)),
      summary: 'Team Meeting',
      description: 'Weekly sync-up meeting with the project team.',
      location: 'Zoom',
      attendees: [Attendee(mailto: MailTo('[e-mail]')), Attendee(mailto: MailTo('[e-mail]'))],
      organizer: MailTo('[e-mail]'));

  // Create a VAlarm for the event
  final alarm1 = VAlarm(
    action: VAlarmAction.display,
    trigger: TrrigerDuration(
      -Duration(seconds: 10, minutes: 5, hours: 1, days: 1)
    ), // or use as Trrig.parse('-PT15M') to create 15 minutes before the event
    description: 'Reminder: Team Meeting in 15 minutes.',
  );
  final alarm2 = VAlarm(
    action: VAlarmAction.audio,
    trigger: TrrigerDate(event.dtstart), // on time of the event by exect date
    description: 'Event begins',
  );
  final alarm3 = VAlarm(
    action: VAlarmAction.audio,
    trigger: Trriger.parse('-PT15M'), // on time of the event by exect date
    description: 'Event begins',
  );

  // Add components to the calendar
  calendar.add(event);
  calendar.addAll([alarm1, alarm2, alarm3]);

  // Serialize the calendar to an iCalendar string
  final icsContent = calendar.serialize();
  print('Generated iCalendar Content:');
  print(icsContent);

  print(jsonEncode(calendar.toJson()));
  // Parse back from the serialized string
  final parsedCalendar = ICalendar.parse(icsContent);

  // Print parsed Calendar to demonstrate parsing
  print('\nParsed Calendar:');
  print(jsonEncode(parsedCalendar.toJson()) );

}