DropdownMenu throws RangeError when both filter and search are enabled in latest beta and master. #151878
Description
Steps to reproduce
- Create a DropdownMenu and set both enableFilter and enableSearch to true.
- Start typing in the TextFiled, and make sure one of the remaining filtered items is highlighted. (Enter "b" for code sample)
- Once the item is highlighted, enter anything that would cause all remaining entries to be filtered. (Enter "a" for code sample)
Expected results
No errors or exceptions are thrown.
Actual results
DropdownMenu throws a RangeError.
Seems to be caused by https://github.com/flutter/flutter/blob/master/packages/flutter/lib/src/material/dropdown_menu.dart#L607 when entries is empty.
Code sample
Code sample
import 'package:flutter/material.dart';
void main() {
runApp(const DropdownMenuExample());
}
// DropdownMenuEntry labels and values for the first dropdown menu.
enum ColorLabel {
blue('Blue', Colors.blue),
pink('Pink', Colors.pink),
green('Green', Colors.green),
yellow('Orange', Colors.orange),
grey('Grey', Colors.grey);
const ColorLabel(this.label, this.color);
final String label;
final Color color;
}
class DropdownMenuExample extends StatefulWidget {
const DropdownMenuExample({super.key});
@override
State<DropdownMenuExample> createState() => _DropdownMenuExampleState();
}
class _DropdownMenuExampleState extends State<DropdownMenuExample> {
final TextEditingController colorController = TextEditingController();
ColorLabel? selectedColor;
@override
Widget build(BuildContext context) {
return MaterialApp(
theme: ThemeData(
useMaterial3: true,
colorSchemeSeed: Colors.green,
),
home: Scaffold(
body: SafeArea(
child: DropdownMenu<ColorLabel>(
enableFilter: true,
enableSearch: true,
controller: colorController,
requestFocusOnTap: true,
label: const Text('Color'),
onSelected: (ColorLabel? color) {
setState(() {
selectedColor = color;
});
},
dropdownMenuEntries: ColorLabel.values
.map<DropdownMenuEntry<ColorLabel>>((ColorLabel color) {
return DropdownMenuEntry<ColorLabel>(
value: color,
label: color.label,
enabled: color.label != 'Grey',
style: MenuItemButton.styleFrom(
foregroundColor: color.color,
),
);
}).toList(),
),
),
),
);
}
}Screenshots or Video
Screenshots / Video demonstration
RangeError.mp4
Logs
Logs
[Paste your logs here]Flutter Doctor output
Doctor output
[✓] Flutter (Channel beta, 3.23.0-0.1.pre, on Microsoft Windows [版本 10.0.22631.3880], locale zh-TW)
• Flutter version 3.23.0-0.1.pre on channel beta at C:\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 2feea7a407 (6 weeks ago), 2024-06-06 10:19:10 +0700
• Engine revision bb10c54666
• Dart version 3.5.0 (build 3.5.0-180.3.beta)
• DevTools version 2.36.0
[✓] Windows Version (Installed version of Windows is version 10 or higher)
[✓] Android toolchain - develop for Android devices (Android SDK version 35.0.0)
• Android SDK at C:\Users\rd1-9\AppData\Local\Android\Sdk
• Platform android-35, build-tools 35.0.0
• ANDROID_HOME = C:\Users\rd1-9\AppData\Local\Android\Sdk
• Java binary at: C:\Program Files\Android\Android Studio\jbr\bin\java
• Java version OpenJDK Runtime Environment (build 17.0.10+0--11609105)
• All Android licenses accepted.
[✓] Chrome - develop for the web
• Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe
[✓] Visual Studio - develop Windows apps (Visual Studio Community 2022 17.10.1)
• Visual Studio at C:\Program Files\Microsoft Visual Studio\2022\Community
• Visual Studio Community 2022 version 17.10.34928.147
• Windows 10 SDK version 10.0.22000.0
[✓] Android Studio (version 2024.1)
• 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 17.0.10+0--11609105)
[✓] VS Code (version 1.91.1)
• VS Code at C:\Users\rd1-9\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.92.0
[✓] Connected device (3 available)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [版本 10.0.22631.3880]
• Chrome (web) • chrome • web-javascript • Google Chrome 126.0.6478.127
• Edge (web) • edge • web-javascript • Microsoft Edge 126.0.2592.102
[✓] Network resources
• All expected network resources are available.
• No issues found!