blob: d528e0b6d94b5cbc0562be89b238079329531f60 [file] [log] [blame]
// 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.
/// Flutter code sample for [Dismissible].
import 'package:flutter/material.dart';
void main() => runApp(const MyApp());
class MyApp extends StatelessWidget {
const MyApp({super.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(),
),
);
}
}
class MyStatefulWidget extends StatefulWidget {
const MyStatefulWidget({super.key});
@override
State<MyStatefulWidget> createState() => _MyStatefulWidgetState();
}
class _MyStatefulWidgetState extends State<MyStatefulWidget> {
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]}',
),
),
);
},
);
}
}