Dragging CupertinoScrollbar with long lists freezes the app #160159
Description
Steps to reproduce
- Launch app
- drag scrollbar
Expected results
app not crash
Actual results
app crash
Code sample
Code sample
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
home: Scaffold(
backgroundColor: Colors.white,
body: CupertinoScrollbar(
child: ListView.builder(
itemBuilder: (_, index) {
return ListTile(
title: Text('Cell #${index}'),
);
},
itemCount: 100000,
),
),
),
);
}
}
Screenshots or Video
Screenshots / Video demonstration
| Flutter | iOS native: |
|---|---|
20241212-192356.mp4 |
192611.mp4 |
Logs
Logs
[Paste your logs here]Flutter Doctor output
Doctor output
[✓] Flutter (Channel stable, 3.24.4, on macOS 15.1.1 24B91 darwin-arm64, locale zh-Hans-CN)
[✓] Android toolchain - develop for Android devices (Android SDK version 33.0.2)
[✓] Xcode - develop for iOS and macOS (Xcode 16.1)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2024.2)
[✓] VS Code (version 1.95.3)
[!] Proxy Configuration
! NO_PROXY is not set
[✓] Connected device (7 available)
! Error: Browsing on the local area network for Johnny iPhone. Ensure the device is unlocked and attached with a cable or associated with
the same local area network as this Mac.
The device must be opted into Developer Mode to connect wirelessly. (code -27)
! Error: Browsing on the local area network for Hynn’s iPhone. Ensure the device is unlocked and attached with a cable or associated with
the same local area network as this Mac.
The device must be opted into Developer Mode to connect wirelessly. (code -27)
! Error: Browsing on the local area network for BrankoTian. Ensure the device is unlocked and attached with a cable or associated with
the same local area network as this Mac.
The device must be opted into Developer Mode to connect wirelessly. (code -27)
[✓] Network resources