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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