Screenshot :
Picker In Flutter
main.dart
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
title: "Flutter Tutorial",
theme: ThemeData.light(),
home: PickerWidget(),
);
}
}
class PickerWidget extends StatefulWidget {
@override
PickerWidgetState createState() => new PickerWidgetState();
}
class PickerWidgetState extends State<PickerWidget> {
List<String> titles = [
'Picker',
'DayPicker',
'MonthPicker',
'YearPicker',
'CupertinoPicker',
'CupertinoDatePicker',
'CupertinoTimerPicker',
];
DateTime dayPicker = DateTime.now();
Duration m = Duration(minutes: 1);
@override
Widget build(BuildContext context) {
return new Scaffold(
appBar: new AppBar(
title: new Text('Picker'),
),
body: ListView.builder(
itemCount: titles.length,
itemBuilder: (context, index) {
return ListTile(
dense: true,
title: Text(titles[index]),
onTap: () {
switch (index) {
case 0:
showDatePicker(
context: context,
initialDate: DateTime.now(),
firstDate: DateTime.utc(1990, 1, 1),
lastDate: DateTime.utc(2100, 12, 31),
);
break;
case 1:
showModalBottomSheet(
context: context,
builder: (context) {
return DayPicker(
selectedDate: dayPicker,
currentDate: DateTime.now(),
onChanged: (time) {
Navigator.of(context).pop();
setState(() {
dayPicker = time;
});
},
firstDate: DateTime.utc(
DateTime.now().year,
DateTime.now().month,
3,
),
lastDate: DateTime.utc(
DateTime.now().year,
DateTime.now().month,
22,
),
selectableDayPredicate: (time) {
return true;
},
displayedMonth: DateTime.now());
},
);
break;
case 2:
showModalBottomSheet(
context: context,
builder: (context) {
return MonthPicker(
selectedDate: dayPicker,
onChanged: (time) {
Navigator.of(context).pop();
setState(() {
dayPicker = time;
});
},
firstDate: DateTime.utc(2000, 1),
lastDate: DateTime.utc(2100, 12),
);
});
break;
case 3:
showModalBottomSheet(
context: context,
builder: (context) {
return YearPicker(
selectedDate: dayPicker,
onChanged: (time) {
Navigator.of(context).pop();
setState(() {
dayPicker = time;
});
},
firstDate: DateTime.utc(2000, 1),
lastDate: DateTime.utc(2100, 12),
);
});
break;
case 4:
showModalBottomSheet(
context: context,
builder: (context) {
return CupertinoPicker(
itemExtent: 40.0,
onSelectedItemChanged: (index) {},
diameterRatio: 360.0,
useMagnifier: true,
magnification: 1.0,
looping: true,
backgroundColor: Colors.white,
offAxisFraction: 100.0,
children: [
Text('Item 1'),
Text('Item 2'),
Text('Item 3'),
Text('Item 4'),
Text('Item 5'),
Text('Item 6'),
Text('Item 7'),
Text('Item 8'),
Text('Item 9'),
Text('Item 10'),
]);
});
break;
case 5:
showModalBottomSheet(
context: context,
builder: (context) {
return CupertinoDatePicker(
initialDateTime: DateTime.now(),
minimumYear: 1900,
use24hFormat: true,
mode: CupertinoDatePickerMode.date,
onDateTimeChanged: (time) {
setState(() {
dayPicker = time;
});
});
});
break;
case 6:
showModalBottomSheet(
context: context,
builder: (context) {
return CupertinoTimerPicker(
onTimerDurationChanged: (duration) {},
initialTimerDuration: m,
);
});
break;
}
});
},
),
);
}
@override
void initState() {
super.initState();
}
@override
void dispose() {
super.dispose();
}
@override
void didUpdateWidget(PickerWidget oldWidget) {
super.didUpdateWidget(oldWidget);
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
}
}
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