nepali_date_picker 3.0.1

Material and Cupertino Style Date Picker with Bikram Sambat(Nepali) Calendar Support. Supports Android, iOS and Fuchsia. Available in Nepali and English Languages.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:nepali_date_picker/nepali_date_picker.dart' as picker;
import 'package:nepali_utils/nepali_utils.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.pink,
      ),
      title: "Nepali Date Picker",
      home: NepaliDatePickerExample(),
    );
  }
}

class NepaliDatePickerExample extends StatefulWidget {
  @override
  _NepaliDatePickerExampleState createState() =>
      _NepaliDatePickerExampleState();
}

class _NepaliDatePickerExampleState extends State<NepaliDatePickerExample> {
  NepaliDateTime _selectedDateTime;
  Language _language = Language.ENGLISH;
  String _design = 'm';
  picker.DateOrder _dateOrder = picker.DateOrder.mdy;

  @override
  Widget build(BuildContext context) {
    print(NepaliDateTime.now());
    return Scaffold(
      appBar: AppBar(
        title: Text("Nepali Date Picker"),
        centerTitle: true,
      ),
      body: Center(
        child: SingleChildScrollView(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.stretch,
            mainAxisAlignment: MainAxisAlignment.center,
            mainAxisSize: MainAxisSize.min,
            children: <Widget>[
              SizedBox(
                height: 20.0,
              ),
              if (_selectedDateTime != null)
                Text(
                  'Selected Date: ${NepaliDateFormatter("MMMM dd, y EEE", language: _language).format(_selectedDateTime)}',
                  style: TextStyle(
                    fontWeight: FontWeight.w300,
                    fontSize: 18.0,
                  ),
                  textAlign: TextAlign.center,
                ),
              SizedBox(height: 20),
              Padding(
                padding: EdgeInsets.symmetric(horizontal: 50.0),
                child: MaterialButton(
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.all(
                      Radius.circular(20),
                    ),
                  ),
                  color: Colors.pink,
                  onPressed: () async {
                    if (_design == 'm') {
                      _selectedDateTime = await picker.showMaterialDatePicker(
                        context: context,
                        initialDate: NepaliDateTime.now(),
                        firstDate: NepaliDateTime(2000),
                        lastDate: NepaliDateTime(2090),
                        language: _language,
                        initialDatePickerMode: DatePickerMode.day,
                      );
                      setState(() {});
                    } else {
                      picker.showCupertinoDatePicker(
                        context: context,
                        initialDate: NepaliDateTime.now(),
                        firstDate: NepaliDateTime(2000),
                        lastDate: NepaliDateTime(2090),
                        language: _language,
                        dateOrder: _dateOrder,
                        onDateChanged: (newDate) {
                          setState(() {
                            _selectedDateTime = newDate;
                          });
                        },
                      );
                    }
                  },
                  child: Padding(
                    padding: const EdgeInsets.all(8.0),
                    child: Text(
                      'SELECT DATE',
                      style: TextStyle(
                        color: Colors.white,
                        fontSize: 20.0,
                        fontWeight: FontWeight.w300,
                      ),
                    ),
                  ),
                ),
              ),
              SizedBox(height: 20),
              Row(
                mainAxisSize: MainAxisSize.min,
                children: <Widget>[
                  SizedBox(width: 10.0),
                  Text(
                    'Language: ',
                    style: TextStyle(fontSize: 18.0),
                  ),
                  _radio<Language>('English', Language.ENGLISH, _language,
                      (value) => setState(() => _language = value)),
                  _radio<Language>('Nepali', Language.NEPALI, _language,
                      (value) => setState(() => _language = value)),
                ],
              ),
              SizedBox(height: 20),
              Row(
                mainAxisSize: MainAxisSize.min,
                children: <Widget>[
                  SizedBox(width: 10.0),
                  Text(
                    'Design: ',
                    style: TextStyle(fontSize: 18.0),
                  ),
                  _radio<String>('Material', 'm', _design,
                      (value) => setState(() => _design = value)),
                  _radio<String>('Cupertino', 'c', _design,
                      (value) => setState(() => _design = value)),
                ],
              ),
              SizedBox(height: 20),
              Row(
                mainAxisSize: MainAxisSize.min,
                mainAxisAlignment: MainAxisAlignment.start,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: <Widget>[
                  SizedBox(width: 10.0),
                  Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: <Widget>[
                      SizedBox(height: 15.0),
                      Text(
                        'Order: ',
                        style: TextStyle(fontSize: 18.0),
                      ),
                      Text(
                        '(only for Cupertino)',
                        style: TextStyle(fontSize: 8.0),
                      ),
                    ],
                  ),
                  Expanded(
                    child: Column(
                      mainAxisSize: MainAxisSize.min,
                      children: <Widget>[
                        _radio<picker.DateOrder>(
                            'D M Y',
                            picker.DateOrder.dmy,
                            _dateOrder,
                            (value) => setState(() => _dateOrder = value)),
                        _radio<picker.DateOrder>(
                            'M D Y',
                            picker.DateOrder.mdy,
                            _dateOrder,
                            (value) => setState(() => _dateOrder = value)),
                        _radio<picker.DateOrder>(
                            'Y D M',
                            picker.DateOrder.ydm,
                            _dateOrder,
                            (value) => setState(() => _dateOrder = value)),
                        _radio<picker.DateOrder>(
                            'Y M D',
                            picker.DateOrder.ymd,
                            _dateOrder,
                            (value) => setState(() => _dateOrder = value)),
                      ],
                    ),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }

  Widget _radio<T>(
    String title,
    T value,
    T groupValue,
    ValueChanged<T> onChanged,
  ) {
    return Flexible(
      child: RadioListTile<T>(
        value: value,
        groupValue: groupValue,
        onChanged: onChanged,
        title: Text(title),
      ),
    );
  }
}