Flutter 3.29 Fatal crash with java.lang.AssertionError #164626
Description
Steps to reproduce
1 Create new android project
flutter create --org com.example --platforms=android -a kotlin hello
2 Run on Android device with a physical keyboard, example Urovo RT40
3 Press and hold the ALT button
PhysicalKeyboardKey#91568(usbHidUsage: "0x1100000039", debugName: "Key with ID 0x1100000039")
Expected results
nothing
Actual results
Crash
Code sample
Code sample
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',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
int _counter = 0;
void _incrementCounter() {
setState(() {
_counter++;
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text('You have pushed the button this many times:'),
Text(
'$_counter',
style: Theme.of(context).textTheme.headlineMedium,
),
],
),
),
floatingActionButton: FloatingActionButton(
onPressed: _incrementCounter,
tooltip: 'Increment',
child: const Icon(Icons.add),
),
);
}
}
Screenshots or Video
UROVO RT40
vid.webm
Logs
Logs
E/InputEventSender( 4705): Exception dispatching finished signal.
E/MessageQueue-JNI( 4705): Exception in MessageQueue callback: handleReceiveCallback
E/MessageQueue-JNI( 4705): java.lang.AssertionError: The key was empty
E/MessageQueue-JNI( 4705): at io.flutter.embedding.android.KeyEmbedderResponder.updatePressingState(KeyEmbedderResponder.java:116)
E/MessageQueue-JNI( 4705): at io.flutter.embedding.android.KeyEmbedderResponder.synthesizeEvent(KeyEmbedderResponder.java:390)
E/MessageQueue-JNI( 4705): at io.flutter.embedding.android.KeyEmbedderResponder.lambda$synchronizePressingKey$1$io-flutter-embedding-android-KeyEmbedderResponder(KeyEmbedderResponder.java:185)
E/MessageQueue-JNI( 4705): at io.flutter.embedding.android.KeyEmbedderResponder$$ExternalSyntheticLambda2.run(D8$$SyntheticClass:0)
E/MessageQueue-JNI( 4705): at io.flutter.embedding.android.KeyEmbedderResponder.handleEventImpl(KeyEmbedderResponder.java:375)
E/MessageQueue-JNI( 4705): at io.flutter.embedding.android.KeyEmbedderResponder.handleEvent(KeyEmbedderResponder.java:431)
E/MessageQueue-JNI( 4705): at io.flutter.embedding.android.KeyboardManager.handleEvent(KeyboardManager.java:229)
E/MessageQueue-JNI( 4705): at io.flutter.embedding.android.FlutterView.dispatchKeyEvent(FlutterView.java:881)
3
E/MessageQueue-JNI( 4705): at android.view.ViewGroup.dispatchKeyEvent(ViewGroup.java:1922)
E/MessageQueue-JNI( 4705): at com.android.internal.policy.DecorView.superDispatchKeyEvent(DecorView.java:453)
E/MessageQueue-JNI( 4705): at com.android.internal.policy.PhoneWindow.superDispatchKeyEvent(PhoneWindow.java:1839)
E/MessageQueue-JNI( 4705): at android.app.Activity.dispatchKeyEvent(Activity.java:3972)
E/MessageQueue-JNI( 4705): at com.android.internal.policy.DecorView.dispatchKeyEvent(DecorView.java:367)Flutter Doctor output
Doctor output
[✓] Flutter (Channel stable, 3.29.0, on Ubuntu 24.04.2 LTS 6.8.0-54-generic, locale ru_RU.UTF-8) [86ms]
• Flutter version 3.29.0 on channel stable at /usr/local/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 35c388afb5 (3 недели назад), 2025-02-10 12:48:41 -0800
• Engine revision f73bfc4522
• Dart version 3.7.0
• DevTools version 2.42.2
[✓] Android toolchain - develop for Android devices (Android SDK version 35.0.0) [1 094ms]
• Android SDK at /home/pavel/Android/Sdk
• Platform android-35, build-tools 35.0.0
• Java binary at: /usr/local/android-studio/jbr/bin/java
This is the JDK bundled with the latest Android Studio installation on this machine.
To manually set the JDK path, use: `flutter config --jdk-dir="path/to/jdk"`.
• Java version OpenJDK Runtime Environment (build 21.0.4+-12422083-b607.1)
• All Android licenses accepted.
[✓] Chrome - develop for the web [13ms]
• Chrome at google-chrome
[✓] Linux toolchain - develop for Linux desktop [140ms]
• Ubuntu clang version 18.1.3 (1ubuntu1)
• cmake version 3.28.3
• ninja version 1.11.1
• pkg-config version 1.8.1
[✓] Android Studio (version 2024.2) [11ms]
• Android Studio at /usr/local/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 21.0.4+-12422083-b607.1)
[✓] VS Code (version 1.97.2) [10ms]
• VS Code at /usr/share/code
• Flutter extension version 3.106.0
[✓] Connected device (3 available) [190ms]
• RT40 (mobile) • 4932d4d1 • android-arm64 • Android 10 (API 29)
• Linux (desktop) • linux • linux-x64 • Ubuntu 24.04.2 LTS 6.8.0-54-generic
• Chrome (web) • chrome • web-javascript • Google Chrome 133.0.6943.141
[✓] Network resources [1 390ms]
• All expected network resources are available.
• No issues found!Metadata
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