| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'package:flutter/material.dart'; |
| |
| class ChipDemo extends StatefulWidget { |
| static const String routeName = '/material/chip'; |
| |
| @override |
| _ChipDemoState createState() => new _ChipDemoState(); |
| } |
| |
| class _ChipDemoState extends State<ChipDemo> { |
| bool _showBananas = true; |
| |
| void _deleteBananas() { |
| setState(() { |
| _showBananas = false; |
| }); |
| } |
| |
| @override |
| Widget build(BuildContext context) { |
| final List<Widget> chips = <Widget>[ |
| const Chip( |
| label: const Text('Apple') |
| ), |
| const Chip( |
| avatar: const CircleAvatar(child: const Text('B')), |
| label: const Text('Blueberry'), |
| ), |
| ]; |
| |
| if (_showBananas) { |
| chips.add(new Chip( |
| label: const Text('Bananas'), |
| onDeleted: _deleteBananas |
| )); |
| } |
| |
| return new Scaffold( |
| appBar: new AppBar(title: const Text('Chips')), |
| body: new ListView( |
| children: chips.map((Widget chip) { |
| return new Container( |
| height: 100.0, |
| child: new Center(child: chip) |
| ); |
| }).toList() |
| ) |
| ); |
| } |
| } |