// 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. import 'package:flutter/material.dart'; /// Flutter code sample for [Dismissible]. void main() => runApp(const DismissibleExampleApp()); class DismissibleExampleApp extends StatelessWidget { const DismissibleExampleApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( home: Scaffold( appBar: AppBar(title: const Text('Dismissible Sample')), body: const DismissibleExample(), ), ); } } class DismissibleExample extends StatefulWidget { const DismissibleExample({super.key}); @override State<DismissibleExample> createState() => _DismissibleExampleState(); } class _DismissibleExampleState extends State<DismissibleExample> { List<int> items = List<int>.generate(100, (int index) => index); @override Widget build(BuildContext context) { return ListView.builder( itemCount: items.length, padding: const EdgeInsets.symmetric(vertical: 16), itemBuilder: (BuildContext context, int index) { return Dismissible( background: Container( color: Colors.green, ), key: ValueKey<int>(items[index]), onDismissed: (DismissDirection direction) { setState(() { items.removeAt(index); }); }, child: ListTile( title: Text( 'Item ${items[index]}', ), ), ); }, ); } }