Fatal Exception: java.lang.AssertionError: Unexpected masked action
at io.flutter.embedding.android.AndroidTouchProcessor.getPointerChangeForAction(AndroidTouchProcessor.java:384)
at io.flutter.embedding.android.AndroidTouchProcessor.onTouchEvent(AndroidTouchProcessor.java:124)
at io.flutter.embedding.android.AndroidTouchProcessor.onTouchEvent(AndroidTouchProcessor.java:104)
at io.flutter.embedding.android.FlutterView.onTouchEvent(FlutterView.java:940)
at android.view.View.dispatchTouchEvent(View.java:15076)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3917)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:3581)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3923)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:3538)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3923)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:3538)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3923)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:3538)
at com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:1015)
at com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1962)
at android.app.Activity.dispatchTouchEvent(Activity.java:4265)
at com.android.internal.policy.DecorView.dispatchTouchEvent(DecorView.java:973)
at android.view.View.dispatchPointerEvent(View.java:15335)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:7794)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:7567)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:6901)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:6958)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:6924)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:7122)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:6932)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:7179)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:6905)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:6958)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:6924)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:6932)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:6905)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:10354)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:10202)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:10158)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:10486)
at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:259)
at android.os.MessageQueue.nativePollOnce(MessageQueue.java)
at android.os.MessageQueue.next(MessageQueue.java:335)
at android.os.Looper.loopOnce(Looper.java:186)
at android.os.Looper.loop(Looper.java:313)
at android.app.ActivityThread.main(ActivityThread.java:8663)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:567)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1135)
[✓] Flutter (Channel stable, 3.3.0, on macOS 11.6.8 20G730 darwin-x64, locale en-VN)
• Flutter version 3.3.0 on channel stable at /Users/meomap/code/dev/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision ffccd96b62 (8 days ago), 2022-08-29 17:28:57 -0700
• Engine revision 5e9e0e0aa8
• Dart version 2.18.0
• DevTools version 2.15.0
Checking Android licenses is taking an unexpectedly long time...[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
• Android SDK at /usr/local/share/android-sdk
• Platform android-33, build-tools 30.0.3
• ANDROID_HOME = /usr/local/share/android-sdk
• ANDROID_SDK_ROOT = /usr/local/share/android-sdk
• Java binary at: /Applications/Android Studio.app/Contents/jre/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 11.0.12+0-b1504.28-7817840)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 13.0)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Build 13A233
• CocoaPods version 1.11.2
[✓] Chrome - develop for the web
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 2021.2)
• 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 11.0.12+0-b1504.28-7817840)
[✓] VS Code (version 1.71.0)
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension version 3.48.0
[✓] Connected device (1 available)
• Chrome (web) • chrome • web-javascript • Google Chrome 105.0.5195.102
[✓] HTTP Host Availability
• All required HTTP hosts are available
• No issues found!
Steps to Reproduce
I've got fatal errors after upgrading to Flutter 3.3.0 that affect multiple devices running in production.
From what I've seen, it seems only tablet (maybe with a Stylus Pen) are affected.
Devices:
Code sample
Logs