// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Template: dev/snippets/config/templates/stateful_widget_scaffold.tmpl // // Comment lines marked with "▼▼▼" and "▲▲▲" are used for authoring // of samples, and may be ignored if you are just exploring the sample. // Flutter code sample for DropdownButton.style // //*************************************************************************** //* ▼▼▼▼▼▼▼▼ description ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) // This sample shows a `DropdownButton` with a dropdown button text style // that is different than its menu items. //* ▲▲▲▲▲▲▲▲ description ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) //*************************************************************************** import 'package:flutter/material.dart'; void main() => runApp(const MyApp()); /// This is the main application widget. class MyApp extends StatelessWidget { const MyApp({Key? key}) : super(key: key); static const String _title = 'Flutter Code Sample'; @override Widget build(BuildContext context) { return MaterialApp( title: _title, home: Scaffold( appBar: AppBar(title: const Text(_title)), body: const MyStatefulWidget(), ), ); } } /// This is the stateful widget that the main application instantiates. class MyStatefulWidget extends StatefulWidget { const MyStatefulWidget({Key? key}) : super(key: key); @override State createState() => _MyStatefulWidgetState(); } /// This is the private State class that goes with MyStatefulWidget. class _MyStatefulWidgetState extends State { //******************************************************************** //* ▼▼▼▼▼▼▼▼ code ▼▼▼▼▼▼▼▼ (do not modify or remove section marker) List options = ['One', 'Two', 'Free', 'Four']; String dropdownValue = 'One'; @override Widget build(BuildContext context) { return Container( alignment: Alignment.center, color: Colors.blue, child: DropdownButton( value: dropdownValue, onChanged: (String? newValue) { setState(() { dropdownValue = newValue!; }); }, style: const TextStyle(color: Colors.blue), selectedItemBuilder: (BuildContext context) { return options.map((String value) { return Text( dropdownValue, style: const TextStyle(color: Colors.white), ); }).toList(); }, items: options.map>((String value) { return DropdownMenuItem( value: value, child: Text(value), ); }).toList(), ), ); } //* ▲▲▲▲▲▲▲▲ code ▲▲▲▲▲▲▲▲ (do not modify or remove section marker) //******************************************************************** }