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Add Material date picker, time picker, and Cupertino date-time picker to a flutter app.
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| import 'dart:async'; | |
| import 'package:flutter/material.dart'; | |
| import 'package:flutter/cupertino.dart'; | |
| void main() => runApp(MyApp()); | |
| class MyApp extends StatelessWidget { | |
| @override | |
| Widget build(BuildContext context) { | |
| return MaterialApp( | |
| title: 'Flutter Demo', | |
| home: MyHomePage(title: 'Flutter Demo Home Page'), | |
| ); | |
| } | |
| } | |
| class MyHomePage extends StatefulWidget { | |
| MyHomePage({Key key, this.title}) : super(key: key); | |
| final String title; | |
| @override | |
| _MyHomePageState createState() => _MyHomePageState(); | |
| } | |
| class _MyHomePageState extends State<MyHomePage> { | |
| DateTime selectedDate = DateTime.now(); | |
| TimeOfDay selectedTime = TimeOfDay.now(); | |
| Future<Null> _selectDate(BuildContext context) async { | |
| final DateTime pickedDate = await showDatePicker( | |
| context: context, | |
| initialDate: selectedDate, | |
| firstDate: DateTime(1920, 8), | |
| lastDate: DateTime(2101)); | |
| if (pickedDate != null && pickedDate != selectedDate) | |
| setState(() { | |
| selectedDate = pickedDate; | |
| }); | |
| } | |
| Future<Null> _selectTime(BuildContext context) async { | |
| final TimeOfDay pickedTime = await showTimePicker( | |
| initialTime: TimeOfDay.now(), | |
| context: context, | |
| ); | |
| if (pickedTime != null && pickedTime != selectedTime) { | |
| setState(() { | |
| selectedTime = pickedTime; | |
| }); | |
| } | |
| } | |
| @override | |
| Widget build(BuildContext context) { | |
| return Scaffold( | |
| appBar: AppBar( | |
| title: Text(widget.title), | |
| ), | |
| body: Center( | |
| child: Column( | |
| mainAxisSize: MainAxisSize.min, | |
| children: <Widget>[ | |
| Text('Selected:'), | |
| SizedBox( | |
| height: 20.0, | |
| ), | |
| Text('${selectedDate.toLocal()}'.split(' ')[0]), | |
| Text(selectedTime.format(context)), | |
| SizedBox( | |
| height: 20.0, | |
| ), | |
| RaisedButton( | |
| child: Text('Material - Select date'), | |
| onPressed: () => _selectDate(context), | |
| ), | |
| RaisedButton( | |
| child: Text('Material - Select time'), | |
| onPressed: () => _selectTime(context), | |
| ), | |
| RaisedButton( | |
| child: Text('Cupertino - Select date+time'), | |
| onPressed: () { | |
| showModalBottomSheet( | |
| context: context, | |
| builder: (BuildContext builder) { | |
| return Container( | |
| height: MediaQuery.of(context).copyWith().size.height / 3, | |
| child: CupertinoDatePicker( | |
| initialDateTime: DateTime.now(), | |
| onDateTimeChanged: (DateTime newDate) { | |
| print(newDate); | |
| setState( | |
| () { | |
| selectedDate = newDate; | |
| selectedTime = TimeOfDay.fromDateTime(newDate); | |
| }, | |
| ); | |
| }, | |
| use24hFormat: false, | |
| maximumDate: new DateTime(2022, 12, 30), | |
| minimumYear: 2010, | |
| maximumYear: 2022, | |
| minuteInterval: 1, | |
| mode: CupertinoDatePickerMode.dateAndTime, | |
| ), | |
| ); | |
| }, | |
| ); | |
| }, | |
| ), | |
| RaisedButton( | |
| child: Text('Cupertino - Select just time'), | |
| onPressed: () { | |
| showModalBottomSheet( | |
| context: context, | |
| builder: (BuildContext builder) { | |
| return Container( | |
| height: MediaQuery.of(context).copyWith().size.height / 3, | |
| child: CupertinoDatePicker( | |
| mode: CupertinoDatePickerMode.time, | |
| initialDateTime: DateTime.now(), | |
| minuteInterval: 5, | |
| onDateTimeChanged: (DateTime newDate) { | |
| print(newDate); | |
| setState( | |
| () { | |
| selectedDate = newDate; | |
| selectedTime = TimeOfDay.fromDateTime(newDate); | |
| }, | |
| ); | |
| }, | |
| ), | |
| ); | |
| }, | |
| ); | |
| }, | |
| ), | |
| ], | |
| ), | |
| ), | |
| ); | |
| } | |
| } |
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