`ReactNoCrashSoftException: "Cannot find EventEmitter for receivedTouches"` warning in Android Native UI Component
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Issue: Author Provided Repro
Needs: Author Feedback
Platform: Android
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描述
Description
We are creating an Android Native UI Component consisting of ViewPager2 and RecyclerView.
When a touch occurs in RecyclerView, the following error occurs.
Steps to reproduce
- Run the project.
- Scroll through the thumbnail list.
React Native Version
0.75.3
Affected Platforms
Runtime - Android
Output of npx react-native info
System:
OS: macOS 14.1
CPU: (12) arm64 Apple M2 Pro
Memory: 96.50 MB / 32.00 GB
Shell:
version: "5.9"
path: /bin/zsh
Binaries:
Node:
version: 20.11.1
path: ~/.nvm/versions/node/v20.11.1/bin/node
Yarn: Not Found
npm:
version: 10.2.4
path: ~/.nvm/versions/node/v20.11.1/bin/npm
Watchman:
version: 2023.10.23.00
path: /usr/local/bin/watchman
Managers:
CocoaPods:
version: 1.14.3
path: /usr/local/bin/pod
SDKs:
iOS SDK:
Platforms:
- DriverKit 23.4
- iOS 17.4
- macOS 14.4
- tvOS 17.4
- visionOS 1.1
- watchOS 10.4
Android SDK: Not Found
IDEs:
Android Studio: 2024.1 AI-241.18034.62.2412.12266719
Xcode:
version: 15.3/15E204a
path: /usr/bin/xcodebuild
Languages:
Java:
version: 17.0.11
path: /usr/bin/javac
Ruby:
version: 2.6.10
path: /usr/bin/ruby
npmPackages:
"@react-native-community/cli": Not Found
react:
installed: 18.3.1
wanted: 18.3.1
react-native:
installed: 0.75.3
wanted: 0.75.3
react-native-macos: Not Found
npmGlobalPackages:
"*react-native*": Not Found
Android:
hermesEnabled: true
newArchEnabled: false
iOS:
hermesEnabled: Not found
newArchEnabled: false
Stacktrace or Logs
Unhandled SoftException
com.facebook.react.bridge.ReactNoCrashSoftException: Cannot find EventEmitter for receivedTouches: ReactTag[2131230852] UIManagerType[2] EventName[topTouchStart]
at com.facebook.react.uimanager.events.ReactEventEmitter.receiveTouches(ReactEventEmitter.java:102)
at com.facebook.react.uimanager.events.TouchEvent.dispatchModern(TouchEvent.kt:124)
at com.facebook.react.uimanager.events.EventDispatcherImpl$DispatchEventsRunnable.run(EventDispatcherImpl.java:376)
at android.os.Handler.handleCallback(Handler.java:958)
at android.os.Handler.dispatchMessage(Handler.java:99)
at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:27)
at android.os.Looper.loopOnce(Looper.java:230)
at android.os.Looper.loop(Looper.java:319)
at com.facebook.react.bridge.queue.MessageQueueThreadImpl$4.run(MessageQueueThreadImpl.java:235)
at java.lang.Thread.run(Thread.java:1012)
Unhandled SoftException
com.facebook.react.bridge.ReactNoCrashSoftException: Cannot find EventEmitter for receivedTouches: ReactTag[2131230852] UIManagerType[2] EventName[topTouchMove]
at com.facebook.react.uimanager.events.ReactEventEmitter.receiveTouches(ReactEventEmitter.java:102)
at com.facebook.react.uimanager.events.TouchEvent.dispatchModern(TouchEvent.kt:124)
at com.facebook.react.uimanager.events.EventDispatcherImpl$DispatchEventsRunnable.run(EventDispatcherImpl.java:376)
at android.os.Handler.handleCallback(Handler.java:958)
at android.os.Handler.dispatchMessage(Handler.java:99)
at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:27)
at android.os.Looper.loopOnce(Looper.java:230)
at android.os.Looper.loop(Looper.java:319)
at com.facebook.react.bridge.queue.MessageQueueThreadImpl$4.run(MessageQueueThreadImpl.java:235)
at java.lang.Thread.run(Thread.java:1012)
Unhandled SoftException
com.facebook.react.bridge.ReactNoCrashSoftException: Cannot find EventEmitter for receivedTouches: ReactTag[2131230852] UIManagerType[2] EventName[topTouchEnd]
at com.facebook.react.uimanager.events.ReactEventEmitter.receiveTouches(ReactEventEmitter.java:102)
at com.facebook.react.uimanager.events.TouchEvent.dispatchModern(TouchEvent.kt:124)
at com.facebook.react.uimanager.events.EventDispatcherImpl$DispatchEventsRunnable.run(EventDispatcherImpl.java:376)
at android.os.Handler.handleCallback(Handler.java:958)
at android.os.Handler.dispatchMessage(Handler.java:99)
at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:27)
at android.os.Looper.loopOnce(Looper.java:230)
at android.os.Looper.loop(Looper.java:319)
at com.facebook.react.bridge.queue.MessageQueueThreadImpl$4.run(MessageQueueThreadImpl.java:235)
at java.lang.Thread.run(Thread.java:1012)
Reproducer
https://github.com/dekim1028/error
Screenshots and Videos
https://github.com/user-attachments/assets/86d636c7-4ecc-4666-a49e-208b88e701af
贡献指南
从这里开始
- 先读完整个 Issue,再读项目的贡献指南。
- 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
- Fork 仓库,在一个分支上完成修改。
- 提交 Pull Request,并在描述里引用这个 Issue 编号。
调研方向
运行链接的复现程序,并滚动浏览其缩略图列表以确认该警告。首先跟踪报告的路径,依次检查 ReactEventEmitter.java、TouchEvent.kt 和 EventDispatcherImpl.java;当 Android UI 组件在滚动期间不再发出报告中的 receivedTouches 警告时,即表示完成。
由索引模型根据 Issue 内容生成。
评估
- 技术栈
- android, react-native
- 领域
- mobile
- Issue 类型
- 缺陷
- 难度
- 4/5
- 预计耗时
- 3-5 天
- 活跃度
- 停滞
- 描述清晰度
- 基本清楚
- 新手友好度
- 30/100