flutter_datetime_picker/example/lib/main.dart

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

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'Flutter Demo',
      theme: new ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or press Run > Flutter Hot Reload in IntelliJ). Notice that the
        // counter didn't reset back to zero; the application is not restarted.
        primarySwatch: Colors.blue,
      ),
      home: new HomePage(),
    );
  }
}

class HomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Datetime Picker'),
      ),
      body: Center(
        child: Column(
          children: <Widget>[
            FlatButton(
                onPressed: () {
                  DatePicker.showDatePicker(context, showTitleActions: true, onChanged: (date) {
                    print('change $date');
                  }, onConfirm: (date) {
                    print('confirm $date');
                  }, currentTime: DateTime(2008, 12, 31, 23, 12, 34), locale: 'zh');
                },
                child: Text(
                  'show date picker',
                  style: TextStyle(color: Colors.blue),
                )),
            FlatButton(
                onPressed: () {
                  DatePicker.showTimePicker(context, showTitleActions: true, onChanged: (date) {
                    print('change $date');
                  }, onConfirm: (date) {
                    print('confirm $date');
                  }, currentTime: DateTime(2008, 12, 31, 23, 12, 34));
                },
                child: Text(
                  'show time picker',
                  style: TextStyle(color: Colors.blue),
                )),
            FlatButton(
                onPressed: () {
                  DatePicker.showDateTimePicker(context, showTitleActions: true, onChanged: (date) {
                    print('change $date');
                  }, onConfirm: (date) {
                    print('confirm $date');
                  }, currentTime: DateTime(2008, 12, 31, 23, 12, 34), locale: 'zh');
                },
                child: Text(
                  'show date time picker (Chinese)',
                  style: TextStyle(color: Colors.blue),
                )),
            FlatButton(
                onPressed: () {
                  DatePicker.showDateTimePicker(context, showTitleActions: true, onChanged: (date) {
                    print('change $date');
                  }, onConfirm: (date) {
                    print('confirm $date');
                  }, currentTime: DateTime(2008, 12, 31, 23, 12, 34));
                },
                child: Text(
                  'show date time picker (English-America)',
                  style: TextStyle(color: Colors.blue),
                )),
          ],
        ),
      ),
    );
  }
}