rrule_generator 0.9.2

RRuleGenerator is a widget for generating recurrence rules, such as described in the iCalendar RFC

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:rrule_generator/rrule_generator.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      localizationsDelegates: const [
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
        GlobalCupertinoLocalizations.delegate,
      ],
      home: Scaffold(
        appBar: AppBar(),
        body: Builder(builder: (context) {
          return Center(
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                ElevatedButton(
                  child: const Text('Default'),
                  onPressed: () {
                    showDialog(
                      context: context,
                      builder: (BuildContext context) => AlertDialog(
                        content: SingleChildScrollView(
                          child: RRuleGenerator(
                            locale: RRuleLocale.en_GB,
                            config: RRuleGeneratorConfig(),
                            initialRRule:
                                'RRULE:FREQ=MONTHLY;BYMONTHDAY=-1;INTERVAL=1;UNTIL=20231211;EXDATE=20240322T000000',
                            withExcludeDates: true,
                            onChange: print,
                          ),
                        ),
                      ),
                    );
                  },
                ),
                const SizedBox(height: 16),
                ElevatedButton(
                  child: const Text('German'),
                  onPressed: () {
                    showDialog(
                      context: context,
                      builder: (BuildContext context) => AlertDialog(
                        content: SingleChildScrollView(
                          child: RRuleGenerator(
                            config: RRuleGeneratorConfig(),
                            initialRRule:
                                'RRULE:FREQ=MONTHLY;BYMONTHDAY=-1;INTERVAL=1;UNTIL=20231211;EXDATE=20240322T000000',
                            localeBuilder: (locale) {
                              // Do something with locale
                              return GermanRRuleTextDelegate();
                            },
                            withExcludeDates: true,
                            onChange: print,
                          ),
                        ),
                      ),
                    );
                  },
                ),
                const SizedBox(height: 16),
                ElevatedButton(
                  child: const Text('Custom style'),
                  onPressed: () {
                    showDialog(
                      context: context,
                      builder: (BuildContext context) => AlertDialog(
                        content: SingleChildScrollView(
                          child: RRuleGenerator(
                            config: RRuleGeneratorConfig(
                              headerStyle: const RRuleHeaderStyle(
                                textStyle: TextStyle(
                                  fontSize: 20,
                                  fontWeight: FontWeight.bold,
                                  color: Colors.blue,
                                ),
                              ),
                              switchStyle: RRuleSwitchStyle(
                                isCupertinoStyle: true,
                                activeTrackColor: Colors.blue,
                                inactiveTrackColor: Colors.grey,
                              ),
                              datePickerStyle: RRuleDatePickerStyle(
                                datePickerButtonStyle: ButtonStyle(
                                  shape: WidgetStateProperty.all(
                                    RoundedRectangleBorder(
                                      borderRadius: BorderRadius.circular(10),
                                    ),
                                  ),
                                  side: WidgetStateProperty.all(
                                    BorderSide(
                                      color: Colors.blue,
                                      width: 1,
                                    ),
                                  ),
                                ),
                                datePickerTextStyle: TextStyle(
                                  fontSize: 13,
                                  color: Colors.blue,
                                ),
                              ),
                              divider: Divider(
                                thickness: 0.5,
                                color: Colors.blue,
                              ),
                            ),
                            initialRRule:
                                'RRULE:FREQ=MONTHLY;BYMONTHDAY=-1;INTERVAL=1;UNTIL=20231211;EXDATE=20240322T000000',
                            withExcludeDates: true,
                            onChange: print,
                          ),
                        ),
                      ),
                    );
                  },
                ),
              ],
            ),
          );
        }),
      ),
    );
  }
}