When I press uppercase button on textfield after a few lowercase word the backspace button does not work (on real device) but when ı change the keyboard to uppercase it works. #95800
Description
It occurs when i use "textInputType: TextInputType.visiblePassword, obscureText: value[0] or one of them .
======== Exception caught by services library ======================================================
The following _CastError was thrown during a platform message callback:
Null check operator used on a null value
When the exception was thrown, this was the stack:
#0 KeyEventManager._convertRawEventAndStore (package:flutter/src/services/hardware_keyboard.dart:884:64)
#1 RawKeyboard.handleRawKeyEvent (package:flutter/src/services/raw_keyboard.dart:677:17)
#2 KeyEventManager.handleRawKeyMessage (package:flutter/src/services/hardware_keyboard.dart:818:33)
#3 BasicMessageChannel.setMessageHandler. (package:flutter/src/services/platform_channel.dart:73:49)
#4 BasicMessageChannel.setMessageHandler. (package:flutter/src/services/platform_channel.dart:72:47)
#5 _DefaultBinaryMessenger.setMessageHandler. (package:flutter/src/services/binding.dart:379:35)
#6 _DefaultBinaryMessenger.setMessageHandler. (package:flutter/src/services/binding.dart:376:46)
#7 _invoke2. (dart:ui/hooks.dart:205:15)
#11 _invoke2 (dart:ui/hooks.dart:204:10)
#12 _ChannelCallbackRecord.invoke (dart:ui/channel_buffers.dart:42:5)
#13 _Channel.push (dart:ui/channel_buffers.dart:132:31)
#14 ChannelBuffers.push (dart:ui/channel_buffers.dart:329:17)
#15 PlatformDispatcher._dispatchPlatformMessage (dart:ui/platform_dispatcher.dart:544:22)
#16 _dispatchPlatformMessage (dart:ui/hooks.dart:92:31)
(elided 3 frames from dart:async)
My flutter doctor is like that :
Flutter (Channel stable, 2.5.0, on Microsoft Windows [Version 10.0.19042.1415], locale tr-TR)
• Flutter version 2.5.0 at C:\src\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 4cc385b (4 months ago), 2021-09-07 23:01:49 -0700
• Engine revision f0826da7ef
• Dart version 2.14.0
[√] Android toolchain - develop for Android devices (Android SDK version 30.0.0)
• Android SDK at C:\Users\tugra\AppData\Local\Android\Sdk
• Platform android-30, build-tools 30.0.0
• ANDROID_HOME = C:\Users\tugra\AppData\Local\Android\Sdk
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
• All Android licenses accepted.
[√] Chrome - develop for the web
• Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe
[√] Android Studio (version 4.1)
• 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 1.8.0_242-release-1644-b01)
[√] VS Code (version 1.60.0)
• VS Code at C:\Users\tugra\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.13.2
[√] Connected device (2 available)
• Chrome (web) • chrome • web-javascript • Google Chrome 96.0.4664.110
• Edge (web) • edge • web-javascript • Microsoft Edge 95.0.1020.53
• No issues found!