[macOS] Assertion failed "'event is! PointerRemovedEvent': is not true" #80867
Description
Steps to Reproduce
- Run
flutter create bug. - For it to be easier to reproduce, make a long to hot-restart app. It is possible with the template, however.
- Run and fullscreen the app and the editor/console, and put them in neighboring windows.
- Hot restart, and before it finishes, ctrl-arrow to the app, then back.
Expected results: Everything working fine.
Actual results: Exception: [ERROR:flutter/lib/ui/ui_dart_state.cc(199)] Unhandled Exception: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 314 pos 18: 'event is! PointerRemovedEvent': is not true.
Logs
Flutter analyze:
Analyzing pre...
No issues found! (ran in 1.7s)
[✓] Flutter (Channel master, 2.2.0-11.0.pre.184, on Mac OS X 10.15.7 19H524 darwin-x64, locale en-US)
• Flutter version 2.2.0-11.0.pre.184 at /Users/.../dev/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 9699b3bf11 (16 hours ago), 2021-04-20 18:59:03 -0400
• Engine revision 610fd039ae
• Dart version 2.14.0 (build 2.14.0-18.0.dev)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
• Android SDK at /Users/.../Library/Android/sdk
• Platform android-30, build-tools 30.0.3
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)
• All Android licenses accepted.
[!] Xcode - develop for iOS and macOS
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 11.3.1, Build version 11C504
✗ Xcode 11.3.1 out of date (12.0.1 is recommended).
Download the latest version or update via the Mac App Store.
• CocoaPods version 1.10.1
[✓] Chrome - develop for the web
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 2.3)
• 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_112-release-b06)
[✗] Cannot determine if IntelliJ is installed
✗ Directory listing failed
[✓] VS Code (version 1.55.0)
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension version 3.21.0
[✓] Connected device (2 available)
• macOS (desktop) • macos • darwin-x64 • Mac OS X 10.15.7 19H524 darwin-x64
• Chrome (web) • chrome • web-javascript • Google Chrome 90.0.4430.85
! Doctor found issues in 2 categories.