26 Flutter: DatePicker

main.dart
import 'package:flutter/material.dart';
import 'dart:async';
void main(){
runApp(new MaterialApp(
home: new MyApp(),
));
}
class MyApp extends StatefulWidget {
_State createState() => new _State();
}
//State is information of the application that can change over time or when some actions are taken.
class _State extends State<MyApp>{
String _value = '';
Future _selectDate() async {
DateTime picked = await showDatePicker(
context: context,
initialDate: new DateTime.now(),
firstDate: new DateTime(2016),
lastDate: new DateTime(2019)
);
if(picked != null) setState(() => _value = picked.toString());
}
Widget build(BuildContext context) {
return new Scaffold(
appBar: new AppBar(
title: new Text('Name here'),
),
//hit Ctrl+space in intellij to know what are the options you can use in flutter widgets
body: new Container(
padding: new EdgeInsets.all(32.0),
child: new Center(
child: new Column(
children: <Widget>[
new Text(_value),
new RaisedButton(onPressed: _selectDate, child: new Text('Click me'),)
],
),
),
),
);
}
}