React-Native：无法更新视图标记35的属性

Question

遇到错误，却不知道如何解决？我不知道为什么会出现这个错误

Unable to update properties for view tag 35
com.facebook.react.uimanager.IllegalViewOperationException: ViewManager for tag 35 could not be found.
 View already dropped? false.
Last index 0 in last 100 views[I@1a66828d
    at com.facebook.react.uimanager.NativeViewHierarchyManager.resolveViewManager(NativeViewHierarchyManager.java:119)
    at com.facebook.react.uimanager.NativeViewHierarchyManager.updateProperties(NativeViewHierarchyManager.java:142)
    at com.facebook.react.uimanager.UIImplementation.synchronouslyUpdateViewOnUIThread(UIImplementation.java:290)
    at com.facebook.react.uimanager.UIManagerModule.synchronouslyUpdateViewOnUIThread(UIManagerModule.java:400)
    at com.facebook.react.animated.PropsAnimatedNode.updateView(PropsAnimatedNode.java:99)
    at com.facebook.react.animated.NativeAnimatedNodesManager.updateNodes(NativeAnimatedNodesManager.java:548)
    at com.facebook.react.animated.NativeAnimatedNodesManager.runUpdates(NativeAnimatedNodesManager.java:457)
    at com.facebook.react.animated.NativeAnimatedModule$1.doFrameGuarded(NativeAnimatedModule.java:105)
    at com.facebook.react.uimanager.GuardedFrameCallback.doFrame(GuardedFrameCallback.java:29)
    at com.facebook.react.modules.core.ReactChoreographer$ReactChoreographerDispatcher.doFrame(ReactChoreographer.java:175)
    at com.facebook.react.modules.core.ChoreographerCompat$FrameCallback$1.doFrame(ChoreographerCompat.java:85)
    at android.view.Choreographer$CallbackRecord.run(Choreographer.java:765)
    at android.view.Choreographer.doCallbacks(Choreographer.java:580)
    at android.view.Choreographer.doFrame(Choreographer.java:549)
    at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
    at android.os.Handler.handleCallback(Handler.java:739)
    at android.os.Handler.dispatchMessage(Handler.java:95)
    at android.os.Looper.loop(Looper.java:135)
    at android.app.ActivityThread.main(ActivityThread.java:5254)
    at java.lang.reflect.Method.invoke(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:372)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700)

• 系统：
  • 操作系统：Windows 10 10.0.18362
  • CPU:(8)x64
  • 内存:2.67GB/15.85GB
  • 节点:12.16.1
  • 纱线:1.22.4
  • NPM:6.13.4
  • 守望者:20200604.181126.0
  • Android SDK:
  • API级别：20,23,26,27,28,29
  • 生成工具:26.0.2、27.0.3、28.0.3、29.0.3
  • 系统映像：android-29 Google Play Intel x86 Atom
  • Android NDK：未找到
  null
  null
  null
  • react-native：未找到

Answer 1

当您在react Native中使用LayoutAnimationAPI时，通常会发生这种情况。如果是这种情况，根据文档，您需要在JSX之前添加以下代码：

if(platform.os===“Android”&&uimanager.setLayoutAnimationEnabledEstabulator){uimanager.setLayoutAnimationEnabledEstabulator(true)；}