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Text loss with some Android keyboards #589

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britannio opened this issue Jan 5, 2022 · 5 comments
Open

Text loss with some Android keyboards #589

britannio opened this issue Jan 5, 2022 · 5 comments

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@britannio
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Steps to Reproduce

  1. Download the Typewise keyboard on Android
  2. Enter some text
  3. Delete each character slowly, then restore each one. This works as expected
  4. Delete a group of characters quickly, then restore each one. Some characters are lost, others are duplicated.

Example: https://photos.app.goo.gl/nSfXogKvZTRkzz7TA

I can't remember which Flutter version this issue was introduced in. Possibly when userUpdateTextEditingValue was introduced to Flutter's TextSelectionDelegate.

Logs

[✓] Flutter (Channel stable, 2.8.1, on macOS 12.1 21C52 darwin-x64, locale en-GB)
    • Flutter version 2.8.1 at /Users/britannio/development/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 77d935af4d (3 weeks ago), 2021-12-16 08:37:33 -0800
    • Engine revision 890a5fca2e
    • Dart version 2.15.1

[!] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
    • Android SDK at /Users/britannio/Library/Android/sdk
    ✗ cmdline-tools component is missing
      Run `path/to/sdkmanager --install "cmdline-tools;latest"`
      See https://developer.android.com/studio/command-line for more details.
    ✗ Android license status unknown.
      Run `flutter doctor --android-licenses` to accept the SDK licenses.
      See https://flutter.dev/docs/get-started/install/macos#android-setup for more details.

[✓] Xcode - develop for iOS and macOS (Xcode 13.2.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • CocoaPods version 1.10.2

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 4.1)
    • Android Studio at /Applications/Android Studio.app/Contents
    • 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-b3-6915495)

[☠] IntelliJ IDEA Ultimate Edition (the doctor check crashed)
    ✗ Due to an error, the doctor check did not complete. If the error message below is not helpful, please let us know about this issue at https://github.com/flutter/flutter/issues.
    ✗ FormatException: Unexpected extension byte (at offset 5)
    • #0      _Utf8Decoder.convertSingle (dart:convert-patch/convert_patch.dart:1789:7)
      #1      Utf8Decoder.convert (dart:convert/utf.dart:318:42)
      #2      InputStream.readString (package:archive/src/util/input_stream.dart:207:30)
      #3      new ZipDirectory.read (package:archive/src/zip/zip_directory.dart:40:30)
      #4      ZipDecoder.decodeBuffer (package:archive/src/zip_decoder.dart:19:30)
      #5      ZipDecoder.decodeBytes (package:archive/src/zip_decoder.dart:14:12)
      #6      IntelliJPlugins._findPluginXml (package:flutter_tools/src/intellij/intellij.dart:130:44)
      #7      IntelliJPlugins._readPackageVersion (package:flutter_tools/src/intellij/intellij.dart:141:40)
      #8      IntelliJPlugins.validatePackage (package:flutter_tools/src/intellij/intellij.dart:63:35)
      #9      IntelliJValidator.validate (package:flutter_tools/src/intellij/intellij_validator.dart:103:15)
      #10     asyncGuard.<anonymous closure> (package:flutter_tools/src/base/async_guard.dart:111:32)
      #11     asyncGuard.<anonymous closure> (package:flutter_tools/src/base/async_guard.dart:109:18)
      #12     _rootRun (dart:async/zone.dart:1428:13)
      #13     _CustomZone.run (dart:async/zone.dart:1328:19)
      #14     _runZoned (dart:async/zone.dart:1863:10)
      #15     runZonedGuarded (dart:async/zone.dart:1851:12)
      #16     runZoned (dart:async/zone.dart:1782:12)
      #17     asyncGuard (package:flutter_tools/src/base/async_guard.dart:109:3)
      #18     Doctor.startValidatorTasks (package:flutter_tools/src/doctor.dart:197:9)
      #19     Doctor.diagnose (package:flutter_tools/src/doctor.dart:301:47)
      #20     DoctorCommand.runCommand (package:flutter_tools/src/commands/doctor.dart:53:47)
      #21     FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:1290:12)
      <asynchronous suspension>
      #22     FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1140:27)
      <asynchronous suspension>
      #23     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
      <asynchronous suspension>
      #24     CommandRunner.runCommand (package:args/command_runner.dart:209:13)
      <asynchronous suspension>
      #25     FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:288:9)
      <asynchronous suspension>
      #26     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
      <asynchronous suspension>
      #27     FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:236:5)
      <asynchronous suspension>
      #28     run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:62:9)
      <asynchronous suspension>
      #29     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:19)
      <asynchronous suspension>
      #30     main (package:flutter_tools/executable.dart:94:3)
      <asynchronous suspension>


[✓] VS Code (version 1.63.2)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.26.0

[✓] Connected device (3 available)
    • GM1913 (mobile) • 192.168.0.3:5555 • android-arm64  • Android 11 (API 30)
    • macOS (desktop) • macos            • darwin-x64     • macOS 12.1 21C52 darwin-x64
    • Chrome (web)    • chrome           • web-javascript • Google Chrome 96.0.4664.110
    ! Error: Britannio’s iPhone is not connected. Xcode will continue when Britannio’s iPhone is connected. (code -13)

! Doctor found issues in 2 categories.
@britannio
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It's worth noting that Flutter's TextField does behave correctly with the Typewise keyboard.

@britannio
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@pulyaevskiy Is there anything I can do to accelerate the fix for this? Also, I suspect that there are a select few Flutter maintainers responsible for the breaking changes to the editing API that have more context behind the issue. Maybe we can figure out who to contact?

@cgestes
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cgestes commented Jan 28, 2022 •
edited

Hi,

Is this applied to the version of Zefyr you use: #563

If no: can tou try it?
If yes: can you try to revert it?

Good luck 😁

@britannio
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Hi,

Is this applied to the version of Zefyr you use: #563

If no: can tou try it? If yes: can you try to revert it?

Good luck 😁

Yes and reverting didn't fix it.
git revert b540c8296b48b9fa978df90cba2599ef3d5fee8c -m 1

In fact, the issue is present in d9c3443 and possibly further back.

@cgestes
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cgestes commented Jan 29, 2022 via email

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@cgestes @britannio