import 'package:flutter/material.dart';

import 'package:intl/intl.dart';

import 'dart:async';

class DateTimeDemo extends StatefulWidget {

@override

_DateTimeDemoState createState() => _DateTimeDemoState();

}

class _DateTimeDemoState extends State {

DateTime selectedDate = DateTime.now();

TimeOfDay selectedTime = TimeOfDay(hour: 9, minute: 30);

Future _selectDate() async {

final DateTime date = await showDatePicker(

context: context,

initialDate: selectedDate,

firstDate: DateTime(1900),

lastDate: DateTime(2100),

);

if (date == null) return;

setState(() {

selectedDate = date;

});

}

Future _selectTime() async {

final TimeOfDay time = await showTimePicker(

context: context,

initialTime: selectedTime,

);

if (time == null) return;

setState(() {

selectedTime = time;

});

}

@override

Widget build(BuildContext context) {

return Scaffold(

appBar: AppBar(

title: Text('DateTimeDemo'),

elevation: 0.0,

),

body: Container(

padding: EdgeInsets.all(16.0),

child: Column(

mainAxisAlignment: MainAxisAlignment.center,

children: [

Row(

mainAxisAlignment: MainAxisAlignment.center,

children: [

InkWell(

onTap: _selectDate,

child: Row(

children: [

Text(DateFormat.yMMMMd().format(selectedDate)),

Icon(Icons.arrow_drop_down),

],

),

),

InkWell(

onTap: _selectTime,

child: Row(

children: [

Text(selectedTime.format(context)),

Icon(Icons.arrow_drop_down),

],

),

),

],

),

],

),

)

);

}

}

pubspec.yaml中添加 intl_translation: ^0.17.2

文档：https://api.flutter.dev/flutter/material/showDatePicker.html

效果：