Want to customize DropdownButtons and DropdownMenuItems in Flutter? You can accomplish this by wrapping the DropdownButton in a Theme widget and overriding the canvasColor.
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import 'package:flutter/material.dart'; void main() { runApp(new MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { return new MaterialApp( home: new MyHomePage(), ); } } class MyHomePage extends StatefulWidget { State createState() => new MyHomePageState(); } class MyHomePageState extends State<MyHomePage> { int _value = 42; @override Widget build(BuildContext context) { return new Scaffold( body: new Center( child: new Theme( data: Theme.of(context).copyWith( canvasColor: Colors.blue.shade200, ), child: new DropdownButton( value: _value, items: <DropdownMenuItem<int>>[ new DropdownMenuItem( child: new Text('Foo'), value: 0, ), new DropdownMenuItem( child: new Text('Bar'), value: 42, ), ], onChanged: (int value) { setState(() { _value = value; }); }, ), ), ), ); } } |
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