java - Android Studio 3.1出现IDE错误

Question

Error Description Loading Build Code of the activity main drawer

您好，在将我的 Android Studio 更新到版本 3.1 后，我的菜单部分(抽屉导航)出现问题，预览无法正常工作，并抛出错误“发生 IDE 错误”。当我单击位于 IDE 右下角的错误图标时，我得到以下信息:

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)

Answer 1

我遇到了同样的问题。

我从文件 activity_main_drawer.xml 中复制了源代码并将其删除。

因此，我创建了一个新的同名“菜单资源文件”(activity_main_drawer.xml)，并将我复制的源代码放入其中。

它对我有用...