App crashes randomly on Android 12 with `JSApplicationIllegalArgumentException: Animated node with tag ### does not exists`
Problem
Description com.facebook.react.bridge.JSApplicationIllegalArgumentException: Animated node with tag 201 does not exists at com.facebook.react.animated.NativeAnimatedNodesManager.connectAnimatedNodes(NativeAnimatedNodesManager.java:317) at com.facebook.react.animated.NativeAnimatedModule$15.execute(NativeAnimatedModule.java:681) at com.facebook.react.animated.NativeAnimatedModule.executeAllOperations(NativeAnimatedModule.java:258) at com.facebook.react.animated.NativeAnimatedModule.access$400(NativeAnimatedModule.java:85) at com.facebook.react.animated.NativeAnimatedModule$3.execute(NativeAnimatedModule.java:287) at com.facebook.react.uimanager.UIViewOperationQueue$UIBlockOperation.execute(UIViewOperationQueue.java:573) at com.facebook.react.uimanager.UIViewOperationQueue$1.run(UIViewOperationQueue.java:908) at com.facebook.react.uimanager.UIViewOperationQueue.flushPendingBatches(UIViewOperationQueue.java:1019) at com.facebook.react.uimanager.UIViewOperationQueue.access$2600(UIViewOperationQueue.java:47) at com.facebook.react.uimanager.UIViewOperationQueue$DispatchUIFrameCallback.doFrameGuarded(UIViewOperationQueue.java:1079) at com.facebook.react.uimanager.GuardedFrameCallback.doFrame(GuardedFrameCallback.java:29) at com.facebook.react.modules.core.ReactChoreographer$ReactChoreographerDispatcher.doFrame(ReactChoreographer.java:175) at com.facebook.react.modules.core.ChoreographerCompat$FrameCallback$1.doFrame(ChoreographerCompat.java:85) at androi
Error Output
Exception: Animated node with tag 201 does not exists
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1 Fix
Fix Animated Node Tag Error in React Native on Android 12
The error 'Animated node with tag ### does not exist' occurs when trying to connect or manipulate an animated node that has already been removed or not properly initialized. This can happen due to race conditions in the animation lifecycle or if the animated node is referenced after its cleanup. In Android 12, stricter lifecycle management may expose these issues more prominently.
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- 1
Ensure Proper Initialization of Animated Nodes
Check that all animated nodes are properly initialized before they are used. This includes ensuring that the animated node is created and not disposed of before any operations are performed on it.
javascriptconst animatedValue = new Animated.Value(0); - 2
Add Error Handling for Animated Node Operations
Implement error handling to catch instances where an animated node may not exist. This will prevent the app from crashing and allow for graceful degradation.
javascripttry { connectAnimatedNodes(node1, node2); } catch (error) { console.warn('Animated node error:', error); } - 3
Review Animation Lifecycle Management
Ensure that animations are properly managed in terms of their lifecycle. Use the componentWillUnmount lifecycle method to clean up any animated nodes to prevent referencing them after they are removed.
javascriptcomponentWillUnmount() { this.animatedNode.stop(); } - 4
Update React Native and Dependencies
Ensure that you are using the latest version of React Native and its dependencies, as updates may contain fixes for known issues related to animated nodes.
bashnpm install react-native@latest - 5
Test Across Different Android Versions
After implementing the fixes, test the application on multiple Android versions, especially Android 12, to ensure that the issue is resolved and does not occur in other environments.
bashUse Android Emulator or physical devices for testing.
Validation
To confirm the fix worked, run the application on Android 12 and monitor for the 'Animated node with tag ### does not exist' error. Additionally, perform thorough testing of all animations to ensure they function as expected without crashes.
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Environment
Submitted by
Alex Chen
2450 rep