Tapping TextFormField throws _CastError was thrown during method call TextInputClient.performPrivateCommand type 'Null' is not a subtype of type 'Map<String, dynamic>' #113973
Description
Steps to Reproduce
- Use an Android 5 device e.g. HTC One M1
- Execute
flutter runon the code sample - Just Tap inside the form field. It will throw
The issue only occurs on Flutter 3.3, it works fine on 3.0...
Expected results:
No error should occur
Actual results:
_CastError was thrown during method call TextInputClient.performPrivateCommand: type 'Null' is not a subtype of type 'Map<String, dynamic>' in type cast
Code sample
void main() => runApp(const TextInputErrorHome());
class TextInputErrorHome extends StatelessWidget {
const TextInputErrorHome({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
theme: ThemeData(primarySwatch: Colors.blue),
home: const TextInputErrorApp(),
);
}
}
class TextInputErrorApp extends StatefulWidget {
const TextInputErrorApp({super.key});
@override
State<TextInputErrorApp> createState() => _TextInputErrorAppState();
}
class _TextInputErrorAppState extends State<TextInputErrorApp> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(),
body: Center(
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
children: [
TextFormField(
decoration: const InputDecoration(
hintText: 'Tap here it will throw',
label: Text('Numeric keyboard')),
keyboardType:
const TextInputType.numberWithOptions(decimal: true),
),
const SizedBox(height: 30),
TextFormField(
decoration: const InputDecoration(
hintText: 'Tap here it will throw',
label: Text('Normal keyboard')),
),
],
),
),
),
);
}
}
Logs
======== Exception caught by services library ======================================================
The following _CastError was thrown during method call TextInputClient.performPrivateCommand: type 'Null' is not a subtype of type 'Map<String, dynamic>' in type cast
When the exception was thrown, this was the stack:
#0 TextInput._handleTextInputInvocation (package:flutter/src/services/text_input.dart:1823:28)
#1 TextInput._loudlyHandleTextInputInvocation (package:flutter/src/services/text_input.dart:1701:20)
#2 MethodChannel._handleAsMethodCall (package:flutter/src/services/platform_channel.dart:536:55)
#3 MethodChannel.setMethodCallHandler.<anonymous closure> (package:flutter/src/services/platform_channel.dart:529:34)
#4 _DefaultBinaryMessenger.setMessageHandler.<anonymous closure> (package:flutter/src/services/binding.dart:387:35)
#5 _invoke2 (dart:ui/hooks.dart:186:13)
#6 _ChannelCallbackRecord.invoke (dart:ui/channel_buffers.dart:42:5)
#7 _Channel.push (dart:ui/channel_buffers.dart:132:31)
#8 ChannelBuffers.push (dart:ui/channel_buffers.dart:329:17)
#9 PlatformDispatcher._dispatchPlatformMessage (dart:ui/platform_dispatcher.dart:599:22)
#10 _dispatchPlatformMessage (dart:ui/hooks.dart:89:31)
call: MethodCall(TextInputClient.performPrivateCommand, [2, {action: com.htc.sense.ime.getInputExtras}])
flutter analyze
Analyzing issue_reproducibles...
No issues found! (ran in 3.6s)
flutter doctor -v
[√] Flutter (Channel stable, 3.3.5, on Microsoft Windows [Version 10.0.19044.2130], locale en-US)
[√] Flutter (Channel stable, 3.3.5, on Microsoft Windows [Version 10.0.19044.2130], locale en-US)
• Flutter version 3.3.5 on channel stable at c:\Apps\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision d9111f6402 (5 days ago), 2022-10-19 12:27:13 -0700
• Engine revision 3ad69d7be3
• Dart version 2.18.2
• DevTools version 2.15.0
[√] Android toolchain - develop for Android devices (Android SDK version 32.0.0-rc1)
• Android SDK at c:\Apps\Android\Sdk
• Platform android-33, build-tools 32.0.0-rc1
• ANDROID_HOME = c:\Apps\Android\Sdk
• Java binary at: c:\Apps\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 11.0.13+0-b1751.21-8125866)
• All Android licenses accepted.
[√] Chrome - develop for the web
• Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe
[X] Visual Studio - develop for Windows
X Visual Studio not installed; this is necessary for Windows development.
Download at https://visualstudio.microsoft.com/downloads/.
Please install the "Desktop development with C++" workload, including all of its default components
[√] Android Studio (version 2021.3)
• Android Studio at c:\Apps\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 11.0.13+0-b1751.21-8125866)
[√] IntelliJ IDEA Ultimate Edition (version 2021.1)
• IntelliJ at c:\Apps\JetBrains\IntelliJ IDEA 2021.1
• 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
[√] Connected device (3 available)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [Version 10.0.19044.2130]
• Chrome (web) • chrome • web-javascript • Google Chrome 106.0.5249.119
• Edge (web) • edge • web-javascript • Microsoft Edge 104.0.1293.47
[√] HTTP Host Availability
• All required HTTP hosts are available
! Doctor found issues in 1 category.