Error: Unexpected null value and invoke debug when clicking left side of AppBar on Flutter Web #105458
Description
Steps to Reproduce
- Create new flutter project
- Run it on Chrome, open Dev Tools and view it as mobile (eg. Iphone 12 Pro)
- Click repeatedly on the left side (beside the title) of AppBar and it will causing debug
Expected results:
Debug shouldn't be invoked when pressing the AppBar
Actual results:
Debug is invoked with error below showed on the Debug Console:
Error: Unexpected null value.
at Object.throw_ [as throw] (http://localhost:58870/dart_sdk.js:5148:11)
at Object.nullCheck (http://localhost:58870/dart_sdk.js:5467:30)
at [_getSanitizer] (http://localhost:58870/dart_sdk.js:173406:28)
at http://localhost:58870/dart_sdk.js:173458:42
at http://localhost:58870/dart_sdk.js:173419:16
at loggedHandler (http://localhost:58870/dart_sdk.js:173124:11)
Screenshot for the error showed below:
flutter doctor -v
[✓] Flutter (Channel beta, 3.1.0, on Microsoft Windows [Version 10.0.22000.675], locale en-SG)
• Flutter version 3.1.0 at D:\Project\Flutter\sdk
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision bcea432bce (11 days ago), 2022-05-26 09:05:34 -0700
• Engine revision 44e5b38ee8
• Dart version 2.18.0 (build 2.18.0-44.1.beta)
• DevTools version 2.12.2
[!] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
• Android SDK at C:\Users\billy\AppData\Local\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/windows#android-setup for more details.
[✓] Chrome - develop for the web
• Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe
[✓] Visual Studio - develop for Windows (Visual Studio Community 2022 17.0.5)
• Visual Studio at D:\Apps\VC2022
• Visual Studio Community 2022 version 17.0.32112.339
• Windows 10 SDK version 10.0.19041.0
[✓] Android Studio (version 2020.3)
• 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 11.0.10+0-b96-7249189)
[✓] VS Code (version 1.67.2)
• VS Code at C:\Users\billy\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.40.0
[✓] Connected device (3 available)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [Version 10.0.22000.675]
• Chrome (web) • chrome • web-javascript • Google Chrome 102.0.5005.63
• Edge (web) • edge • web-javascript • Microsoft Edge 102.0.1245.33
[✓] HTTP Host Availability
• All required HTTP hosts are availableMetadata
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Important issues not at the top of the work listStack traces logged to the consoleflutter/engine related. See also e: labels.Found to occur in 3.0Found to occur in 3.1The issue has been confirmed reproducible and is ready to work onWeb applications specificallyIssue is closed as already fixed in a newer version
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