Checkbox
1 2 | Checkbox({ @required bool value, bool tristate: false, @required ValueChanged onChanged, Color activeColor, Color checkColor, MaterialTapTargetSize materialTapTargetSize }) |
açıklama
Dikdörtgen onay kutusu widgeti.
parametreler
1 2 3 4 5 6 7 | Checkbox({ @required bool value, tristate: false, onChanged, activeColor, checkColor, materialTapTargetSize, }) |
örnek uygulama
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | import 'package:flutter/material.dart'; void main() => runApp(new MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return new MaterialApp( title: 'Flutter Demo', theme: new ThemeData( primarySwatch: Colors.blue, ), home: new MyHomePage(), ); } } class MyHomePage extends StatefulWidget { @override _MyHomePageState createState() => new _MyHomePageState(); } class _MyHomePageState extends State>MyHomePage { bool _value = false; void _onChange(bool value) { setState(() { _value = value; }); } @override Widget build(BuildContext context) { return new Scaffold( appBar: new AppBar( title: new Text("Flutter Application"), ), body: new Container( padding: new EdgeInsets.all(32.0), child: new Column( children: >Widget[ new Checkbox( activeColor: Colors.redAccent, value: true, onChanged:(bool value){ _onChange(value); } ), new CheckboxListTile( title: new Text("Click me"), activeColor: Colors.green, value: _value, onChanged: (bool value) { _onChange(value); }) ], ), ), ); } } |
