ListWheelScrollView doesn't scroll to last item when items are removed #90953
Description
Steps to Reproduce
- Have a ListWheelScrollView
- Remove some items
Expected results: list behaves like a regular ListView
Actual results: list stucks until you scroll aggressively
Video
2021-09-29.15-05-46.mp4
Code sample
import 'package:flutter/material.dart';
void main() {
runApp(MaterialApp(
home: MyHomePage(),
));
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key? key}) : super(key: key);
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
final list = [0, 1, 2, 3, 4, 5];
final colors = [
Colors.cyan,
Colors.indigo,
Colors.pink,
Colors.red,
Colors.blue,
Colors.yellowAccent
];
@override
void initState() {
super.initState();
}
Future<void> removeItems() async {
if (list.length <= 3)
return;
list.removeLast();
list.removeLast();
list.removeLast();
setState(() { });
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Row(
children: [
ElevatedButton(
child: Text('remove items'),
onPressed: removeItems,
),
],
),
),
body: ListWheelScrollView(
itemExtent: 400,
physics: FixedExtentScrollPhysics(),
children: [
for (final index in list)
SizedBox(
width: double.infinity,
child: Container(
height: 400,
color: colors[index % 6],
child: Text(
index.toString(),
style: TextStyle(
fontSize: 30,
),
),
),
),
],
),
);
}
}flutter doctor -v
[√] Flutter (Channel master, 2.6.0-12.0.pre.136, on Microsoft Windows [Version 10.0.19041.1237], locale ru-RU)
• Flutter version 2.6.0-12.0.pre.136 at C:\dev\src\flutter
• Upstream repository [email protected]:nt4f04und/flutter.git
• FLUTTER_GIT_URL = [email protected]:nt4f04und/flutter.git
• Framework revision aaa14b8004 (2 hours ago), 2021-09-29 06:03:04 -0400
• Engine revision bccb3a57eb
• Dart version 2.15.0 (build 2.15.0-156.0.dev)
[!] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
• Android SDK at C:\Users\danya\AppData\Local\Android\sdk
X cmdline-tools component is missing
Run `path/to/sdkmanager --install "cmdline-tools;latest"`
See https://developer.android.com/studio/command-line for more details.
X Android license status unknown.
Run `flutter doctor --android-licenses` to accept the SDK licenses.
See https://flutter.dev/docs/get-started/install/windows#android-setup for more details.
[√] Chrome - develop for the web
• Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe
[√] Visual Studio - develop for Windows (Visual Studio Community 2019 16.7.7)
• Visual Studio at C:\Program Files (x86)\Microsoft Visual Studio\2019\Community
• Visual Studio Community 2019 version 16.7.30621.155
• Windows 10 SDK version 10.0.19041.0
[√] Android Studio (version 4.1)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
[√] IntelliJ IDEA Community Edition (version 2020.3)
• IntelliJ at C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2020.3.3
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
[√] VS Code (version 1.60.2)
• VS Code at C:\Users\danya\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.26.0
[√] Connected device (4 available)
• sdk gphone x86 (mobile) • emulator-5554 • android-x86 • Android 11 (API 30) (emulator)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [Version 10.0.19041.1237]
• Chrome (web) • chrome • web-javascript • Google Chrome 94.0.4606.61
• Edge (web) • edge • web-javascript • Microsoft Edge 94.0.992.31
! Doctor found issues in 1 category.