使用以下工具在Android Studio中的错误：showIn =“ navigation_view”

时间：2018-07-26 18:48:21

标签： android android-studio

我在Android Studio中有一个奇怪的错误，它使我无法在菜单项中使用此属性来使用它作为导航抽屉。 这是错误代码（NullPointerException）：

null
    java.lang.NullPointerException
    at com.android.tools.idea.uibuilder.scene.LayoutlibSceneManager.getRenderResult(LayoutlibSceneManager.java:602)
    at com.android.tools.idea.uibuilder.surface.ScreenViewBase.getResult(ScreenViewBase.java:109)
    at com.android.tools.idea.uibuilder.surface.ScreenView.getResult(ScreenView.java:30)
    at com.android.tools.idea.uibuilder.menu.NavigationViewSceneView.getPreferredSize(NavigationViewSceneView.java:64)
    at com.android.tools.idea.common.surface.SceneView.getPreferredSize(SceneView.java:95)
    at com.android.tools.idea.uibuilder.scene.LayoutlibSceneManager.createSceneViewsForMenu(LayoutlibSceneManager.java:265)
    at com.android.tools.idea.uibuilder.scene.LayoutlibSceneManager.doCreateSceneView(LayoutlibSceneManager.java:234)
    at com.android.tools.idea.common.scene.SceneManager.createSceneView(SceneManager.java:73)
    at com.android.tools.idea.common.scene.SceneManager.<init>(SceneManager.java:66)
    at com.android.tools.idea.uibuilder.scene.LayoutlibSceneManager.<init>(LayoutlibSceneManager.java:157)
    at com.android.tools.idea.uibuilder.surface.NlDesignSurface.createSceneManager(NlDesignSurface.java:145)
    at com.android.tools.idea.common.surface.DesignSurface.setModel(DesignSurface.java:281)
    at com.android.tools.idea.common.editor.NlEditorPanel.initNeleModelOnEventDispatchThread(NlEditorPanel.java:143)
    at com.android.tools.idea.common.editor.NlEditorPanel.lambda$null$4(NlEditorPanel.java:139)
    at com.intellij.openapi.project.DumbServiceImpl.lambda$smartInvokeLater$7(DumbServiceImpl.java:366)
    at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:315)
    at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.runNextEvent(LaterInvocator.java:424)
    at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:407)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762)
    at java.awt.EventQueue.access$500(EventQueue.java:98)
    at java.awt.EventQueue$3.run(EventQueue.java:715)
    at java.awt.EventQueue$3.run(EventQueue.java:709)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:732)
    at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:822)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:650)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:366)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)


java.lang.NullPointerException
    at com.android.tools.idea.uibuilder.scene.LayoutlibSceneManager.getRenderResult(LayoutlibSceneManager.java:602)
    at com.android.tools.idea.uibuilder.surface.ScreenViewBase.getResult(ScreenViewBase.java:109)
    at com.android.tools.idea.uibuilder.surface.ScreenView.getResult(ScreenView.java:30)
    at com.android.tools.idea.uibuilder.menu.NavigationViewSceneView.getPreferredSize(NavigationViewSceneView.java:64)
    at com.android.tools.idea.common.surface.SceneView.getPreferredSize(SceneView.java:95)
    at com.android.tools.idea.uibuilder.scene.LayoutlibSceneManager.createSceneViewsForMenu(LayoutlibSceneManager.java:265)
    at com.android.tools.idea.uibuilder.scene.LayoutlibSceneManager.doCreateSceneView(LayoutlibSceneManager.java:234)
    at com.android.tools.idea.common.scene.SceneManager.createSceneView(SceneManager.java:73)
    at com.android.tools.idea.common.scene.SceneManager.<init>(SceneManager.java:66)
    at com.android.tools.idea.uibuilder.scene.LayoutlibSceneManager.<init>(LayoutlibSceneManager.java:157)
    at com.android.tools.idea.uibuilder.surface.NlDesignSurface.createSceneManager(NlDesignSurface.java:145)
    at com.android.tools.idea.common.surface.DesignSurface.setModel(DesignSurface.java:281)
    at com.android.tools.idea.uibuilder.editor.NlPreviewForm.initNeleModel(NlPreviewForm.java:420)
    at com.android.tools.idea.uibuilder.editor.NlPreviewForm.initPreviewFormAfterBuildOnEventDispatchThread(NlPreviewForm.java:353)
    at com.intellij.util.ui.UIUtil.invokeLaterIfNeeded(UIUtil.java:2795)
    at com.android.tools.idea.uibuilder.editor.NlPreviewForm.initPreviewFormAfterInitialBuild(NlPreviewForm.java:318)
    at com.android.tools.idea.startup.ClearResourceCacheAfterFirstBuild.runWhenResourceCacheClean(ClearResourceCacheAfterFirstBuild.kt:80)
    at com.android.tools.idea.uibuilder.editor.NlPreviewForm.initPreviewForm(NlPreviewForm.java:305)
    at com.android.tools.idea.uibuilder.editor.NlPreviewForm.activate(NlPreviewForm.java:524)
    at com.android.tools.idea.uibuilder.editor.NlPreviewManager$1.stateChanged(NlPreviewManager.java:141)
    at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at com.intellij.util.EventDispatcher.dispatch(EventDispatcher.java:99)
    at com.intellij.util.EventDispatcher.access$200(EventDispatcher.java:35)
    at com.intellij.util.EventDispatcher$2.invoke(EventDispatcher.java:79)
    at com.sun.proxy.$Proxy81.stateChanged(Unknown Source)
    at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.fireStateChanged(ToolWindowManagerImpl.java:1658)
    at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.execute(ToolWindowManagerImpl.java:568)
    at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.activateToolWindow(ToolWindowManagerImpl.java:736)
    at com.intellij.openapi.wm.impl.ToolWindowImpl.activate(ToolWindowImpl.java:203)
    at com.android.tools.idea.uibuilder.editor.NlPreviewManager$2.run(NlPreviewManager.java:300)
    at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:337)
    at com.intellij.util.ui.update.MergingUpdateQueue.execute(MergingUpdateQueue.java:327)
    at com.intellij.util.ui.update.MergingUpdateQueue.lambda$flush$1(MergingUpdateQueue.java:277)
    at com.intellij.util.ui.UIUtil.invokeAndWaitIfNeeded(UIUtil.java:2816)
    at com.intellij.util.ui.update.MergingUpdateQueue.flush(MergingUpdateQueue.java:288)
    at com.intellij.util.ui.update.MergingUpdateQueue.run(MergingUpdateQueue.java:246)
    at com.intellij.util.concurrency.QueueProcessor.runSafely(QueueProcessor.java:246)
    at com.intellij.util.Alarm$Request.runSafely(Alarm.java:417)
    at com.intellij.util.Alarm$Request.access$700(Alarm.java:344)
    at com.intellij.util.Alarm$Request$1.run(Alarm.java:384)
    at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:315)
    at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.runNextEvent(LaterInvocator.java:424)
    at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:407)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762)
    at java.awt.EventQueue.access$500(EventQueue.java:98)
    at java.awt.EventQueue$3.run(EventQueue.java:715)
    at java.awt.EventQueue$3.run(EventQueue.java:709)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:732)
    at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:822)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:650)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:366)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

如果您可以帮助我解决Android Studio的错误，这将对您有所帮助？ 我已经搜索了很多解决方案，但没有找到任何东西。

1 个答案:

答案 0 :(得分：0)

是错误＃80037922

与您的报告相同的堆栈：

  

null java.lang.NullPointerException           在com.android.tools.idea.uibuilder.scene.LayoutlibSceneManager.getRenderResult（LayoutlibSceneManager.java:602）           在com.android.tools.idea.uibuilder.surface.ScreenViewBase.getResult（ScreenViewBase.java:109）           在com.android.tools.idea.uibuilder.surface.ScreenView.getResult（ScreenView.java:30）

由以下环境的人举报：

  • Android Studio版本：Android Studio 3.1.2 AI-1734720617
  • Gradle插件版本：
  • Gradle版本：4.4
  • Java版本：嵌入式JDK
  • 操作系统：Windows 10

当前的优先级和严重性为P2，已分配给Google的某人进行修复。

最后评论：

  

您使用的是哪个API版本？您能否也请尝试3.2和   让我们知道是否可以解决问题？

https://issuetracker.google.com/issues/80037922

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