DropdownMenu throws exception when nested inside two SingleChildScrollView #146764
Description
Steps to reproduce
- Add a DropdownMenu inside two SingleChildScrollView
- Run the debuger
- Try to writte something on the field that matches one of the menu entries
Expected results
It shouldn't throw an exception, the way it works if we delete the first SingleChildScrollView
Actual results
It throws renderer.parent != null is not true
Code sample
Code sample
import 'package:flutter/material.dart';
void main() {
runApp(const MainApp());
}
class MainApp extends StatelessWidget {
const MainApp({super.key});
@override
Widget build(BuildContext context) {
return const MaterialApp(
home: SingleChildScrollView(
child: Card(
child: SingleChildScrollView(
child: DropdownMenu<String>(
enableFilter: true,
requestFocusOnTap: true,
label: Text("test"),
dropdownMenuEntries: [
DropdownMenuEntry(value: "1", label: "one"),
DropdownMenuEntry(value: "2", label: "two"),
]),
),
),
),
);
}
}
Screenshots or Video
No response
Logs
Debug console output
[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: 'package:flutter/src/rendering/object.dart': Failed assertion: line 3345 pos 14: 'renderer.parent != null': is not true.
#0 _AssertionError._doThrowNew (dart:core-patch/errors_patch.dart:51:61)
#1 _AssertionError._throwNew (dart:core-patch/errors_patch.dart:40:5)
#2 RenderObject.getTransformTo (package:flutter/src/rendering/object.dart:3345:14)
#3 ScrollPosition.ensureVisible (package:flutter/src/widgets/scroll_position.dart:809:28)
#4 ScrollableState._performEnsureVisible (package:flutter/src/widgets/scrollable.dart:1041:55)
#5 Scrollable.ensureVisible (package:flutter/src/widgets/scrollable.dart:475:45)
#6 _DropdownMenuState.scrollToHighlight.<anonymous closure> (package:flutter/src/material/dropdown_menu.dart:450:20)
#7 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1386:15)
#8 SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1322:11)
#9 SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1169:5)
#10 _invoke (dart:ui/hooks.dart:312:13)
#11 PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:399:5)
#12 _drawFrame (dart:ui/hooks.dart:283:31)Flutter Doctor output
Doctor output
[✓] Flutter (Channel , 3.19.5, on Arch Linux 6.8.5-arch1-1, locale en_US.UTF-8)
• Flutter version 3.19.5 on channel at /usr/lib/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision archlinuxaur (unknown (arch linux aur package)), 2038-01-19
03:14:08
• Engine revision e76c95649884
• Dart version 3.3.2
• DevTools version 2.31.1
[✗] Android toolchain - develop for Android devices
✗ ANDROID_HOME = /opt/android-sdk
but Android SDK not found at this location.
[✓] Chrome - develop for the web
• Chrome at google-chrome
[✓] Linux toolchain - develop for Linux desktop
• clang version 17.0.6
• cmake version 3.29.2
• ninja version 1.11.1
• pkg-config version 2.1.1
[✓] Android Studio (version 2023.1)
• Android Studio at /opt/android-studio
• Flutter plugin version 77.2.1
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 17.0.9+0-17.0.9b1087.7-11185874)
[✓] Connected device (2 available)
• Linux (desktop) • linux • linux-x64 • Arch Linux 6.8.5-arch1-1
• Chrome (web) • chrome • web-javascript • Google Chrome 123.0.6312.122
[✓] Network resources
• All expected network resources are available.
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Important issues not at the top of the work listError messages from the Flutter frameworkIt was better in the past than it is nowflutter/packages/flutter/material repository.Viewports, list views, slivers, etc.Found to occur in 3.19Found to occur in 3.22flutter/packages/flutter repository. See also f: labels.The issue has been confirmed reproducible and is ready to work onOwned by Design Languages teamTriaged by Design Languages team