Null check operator used on a null value occurs in EditableTextState when entering text on Galaxy keyboard #112046
Closed as not planned
Description
Steps to Reproduce
This error only occurs on Galaxy as far as I can confirm.
I couldn't check it on my Xiaomi Pad 5.
- Execute
flutter runon the code sample with Galaxy device - Enter some text in the TextField
- An error occurs when I press the decision button of IME
Expected results:
The following _CastError was thrown during method call TextInputClient.performPrivateCommand: Null check operator used on a null value
Actual results:
======== Exception caught by services library ======================================================
The following _CastError was thrown during method call TextInputClient.performPrivateCommand:
Null check operator used on a null value
When the exception was thrown, this was the stack:
#0 EditableTextState.performPrivateCommand (package:flutter/src/widgets/editable_text.dart:2155:31)
#1 TextInput._handleTextInputInvocation (package:flutter/src/services/text_input.dart:1821:37)
#2 TextInput._loudlyHandleTextInputInvocation (package:flutter/src/services/text_input.dart:1701:20)
#3 MethodChannel._handleAsMethodCall (package:flutter/src/services/platform_channel.dart:536:55)
#4 MethodChannel.setMethodCallHandler.<anonymous closure> (package:flutter/src/services/platform_channel.dart:529:34)
#5 _DefaultBinaryMessenger.setMessageHandler.<anonymous closure> (package:flutter/src/services/binding.dart:387:35)
#6 _invoke2 (dart:ui/hooks.dart:186:13)
#7 _ChannelCallbackRecord.invoke (dart:ui/channel_buffers.dart:42:5)
#8 _Channel.push (dart:ui/channel_buffers.dart:132:31)
#9 ChannelBuffers.push (dart:ui/channel_buffers.dart:329:17)
#10 PlatformDispatcher._dispatchPlatformMessage (dart:ui/platform_dispatcher.dart:599:22)
#11 _dispatchPlatformMessage (dart:ui/hooks.dart:89:31)
call: MethodCall(TextInputClient.performPrivateCommand, [1, {data: {yomi: あ}, action: com.sec.android.inputmethod.iwnnime.japan}])
====================================================================================================
I/ViewRootImpl@ec33a10[MainActivity](27215): ViewPostIme pointer 0
I/ViewRootImpl@ec33a10[MainActivity](27215): ViewPostIme pointer 1
I/ViewRootImpl@ec33a10[MainActivity](27215): ViewPostIme pointer 0
I/ViewRootImpl@ec33a10[MainActivity](27215): ViewPostIme pointer 1
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(
primarySwatch: Colors.blue,
),
home: const MyHomePage(),
);
}
}
class MyHomePage extends StatelessWidget {
const MyHomePage({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Flutter Demo Home Page'),
),
body: const Center(child: TextField()),
);
}
}Logs
[+5490 ms] I/InputMethodManager(29583): showSoftInput(View,I)
[ +1 ms] D/InputMethodManager(29583): SSI - flag : 0 Pid : 29583 view : com.example.flutter_bug_sample
[ +1 ms] W/InputMethodManager(29583): showSoftInput(V,I,ResultReceiver)
[ ] D/InputMethodManager(29583): prepareNavigationBarInfo() DecorView@6852e6a[MainActivity]
[ ] D/InputMethodManager(29583): getNavigationBarColor() -855310
[ ] D/InputConnectionAdaptor(29583): The input method toggled text monitoring on
[+1167 ms] D/InputConnectionAdaptor(29583): The input method toggled text monitoring off
[ +81 ms]
══╡ EXCEPTION CAUGHT BY SERVICES LIBRARY ╞══════════════════════════════════════════════════════════
The following _CastError was thrown during method call TextInputClient.performPrivateCommand:
Null check operator used on a null value
When the exception was thrown, this was the stack:
#0 EditableTextState.performPrivateCommand
(package:flutter/src/widgets/editable_text.dart:2155:31)
#1 TextInput._handleTextInputInvocation (package:flutter/src/services/text_input.dart:1821:37)
#2 TextInput._loudlyHandleTextInputInvocation
(package:flutter/src/services/text_input.dart:1701:20)
#3 MethodChannel._handleAsMethodCall (package:flutter/src/services/platform_channel.dart:536:55)
#4 MethodChannel.setMethodCallHandler.<anonymous closure>
(package:flutter/src/services/platform_channel.dart:529:34)
#5 _DefaultBinaryMessenger.setMessageHandler.<anonymous closure>
(package:flutter/src/services/binding.dart:387:35)
#6 _invoke2 (dart:ui/hooks.dart:186:13)
#7 _ChannelCallbackRecord.invoke (dart:ui/channel_buffers.dart:42:5)
#8 _Channel.push (dart:ui/channel_buffers.dart:132:31)
#9 ChannelBuffers.push (dart:ui/channel_buffers.dart:329:17)
#10 PlatformDispatcher._dispatchPlatformMessage (dart:ui/platform_dispatcher.dart:599:22)
#11 _dispatchPlatformMessage (dart:ui/hooks.dart:89:31)
call:
MethodCall(TextInputClient.performPrivateCommand, [1, {data: {yomi: あ}, action:
com.sec.android.inputmethod.iwnnime.japan}])
════════════════════════════════════════════════════════════════════════════════════════════════════
flutter analyze
Analyzing flutter_bug_sample...
No issues found! (ran in 2.6s)
PS C:\Users\tuxsnct\Projects\flutter_bug_sample> flutter doctor -v
[√] Flutter (Channel stable, 3.3.2, on Microsoft Windows [Version 10.0.22000.978], locale ja-JP)
• Flutter version 3.3.2 on channel stable at C:\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision e3c29ec00c (7 days ago), 2022-09-14 08:46:55 -0500
• Engine revision a4ff2c53d8
• Dart version 2.18.1
• DevTools version 2.15.0
[√] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
• Android SDK at C:\Users\tuxsnct\AppData\Local\Android\sdk
• Platform android-33, build-tools 33.0.0
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 11.0.13+0-b1751.21-8125866)
• All Android licenses accepted.
[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:\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 11.0.13+0-b1751.21-8125866)
[√] VS Code (version 1.70.0)
• VS Code at C:\Users\tuxsnct\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.46.0
[√] Connected device (2 available)
• SCG09 (mobile) • R3CR10MJBMP • android-arm64 • Android 11 (API 30)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [Version 10.0.22000.978]
[√] HTTP Host Availability
• All required HTTP hosts are available
! Doctor found issues in 1 category.