Android studio 4.0 editor window is gone

user_11320230 0
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I'm using Android studio v 4.0 on windows 10 (1909) build. Every thing was working fine till last evening my code editor window just disappeared.

I'tried followings

  • Restart & invalidate cache
  • Check for updates
  • Reset default layout (shift+F12) [window -> Restore Default Layout]
  • Tried Dragging file into center to open (editor never appears but breadcrumb updates for each file selected or opened screenshot given below

enter image description here

Many other components are also effected like

  • Logcat showing nothing
  • Event Log showing nothing
  • Build & Sync showing nothing

One more strange thing is I'm unable to open settings [File -> Settings] (it shows nothing)

Android Studio 4.0 code editor window gone

Here is the about section of my installed android studio Android Studio 4.0

idea.log1 contains this exception

2020-06-27 12:26:01,693 [5987243]  ERROR - enapi.editor.impl.SettingsImpl - Error determining tab size 
java.lang.NullPointerException
    at com.intellij.openapi.editor.impl.SettingsImpl.getTabSize(SettingsImpl.java:377)
    at com.intellij.openapi.editor.ex.util.EditorUtil.getTabSize(EditorUtil.java:342)
    at com.intellij.openapi.editor.impl.view.EditorView.getTabSize(EditorView.java:547)
    at com.intellij.openapi.editor.impl.view.LogicalPositionCache.reset(LogicalPositionCache.java:75)
    at com.intellij.openapi.editor.impl.view.EditorView.reinitSettings(EditorView.java:344)
    at com.intellij.openapi.editor.impl.EditorImpl.<init>(EditorImpl.java:501)
    at com.intellij.openapi.editor.impl.EditorFactoryImpl.createEditor(EditorFactoryImpl.java:200)
    at com.intellij.openapi.editor.impl.EditorFactoryImpl.createViewer(EditorFactoryImpl.java:170)
    at com.intellij.execution.impl.ConsoleViewUtil.setupConsoleEditor(ConsoleViewUtil.java:56)
    at com.android.tools.idea.welcome.wizard.deprecated.ProgressStep.<init>(ProgressStep.java:61)
    at com.android.tools.idea.sdk.wizard.VmWizard$SetupProgressStep.<init>(VmWizard.java:132)
    at com.android.tools.idea.sdk.wizard.VmWizard$VmPath.init(VmWizard.java:251)
    at com.android.tools.idea.wizard.dynamic.DynamicWizardPath.attachToWizard(DynamicWizardPath.java:98)
    at com.android.tools.idea.wizard.dynamic.DynamicWizard.addPath(DynamicWizard.java:233)
    at com.android.tools.idea.sdk.wizard.VmWizard.<init>(VmWizard.java:68)
    at com.android.tools.idea.sdk.install.VmInstallListener.lambda$statusChanged$0(VmInstallListener.java:58)
    at com.intellij.openapi.application.impl.LaterInvocator$1.run(LaterInvocator.java:154)
    at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.doRun(LaterInvocator.java:441)
    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:764)
    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:74)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
    at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:908)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:781)
    at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:424)
    at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:698)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:423)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
    at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190)
    at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235)
    at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233)
    at java.awt.Dialog.show(Dialog.java:1077)
    at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:708)
    at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:433)
    at com.intellij.openapi.ui.DialogWrapper.doShow(DialogWrapper.java:1698)
    at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1657)
    at com.android.tools.idea.updater.UpdateInfoDialog$1.actionPerformed(UpdateInfoDialog.java:79)
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
    at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
    at java.awt.Component.processMouseEvent(Component.java:6550)
    at javax.swing.JComponent.processMouseEvent(JComponent.java:3325)
    at java.awt.Component.processEvent(Component.java:6315)
    at java.awt.Container.processEvent(Container.java:2239)
    at java.awt.Component.dispatchEventImpl(Component.java:4899)
    at java.awt.Container.dispatchEventImpl(Container.java:2297)
    at java.awt.Component.dispatchEvent(Component.java:4721)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4535)
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476)
    at java.awt.Container.dispatchEventImpl(Container.java:2283)
    at java.awt.Window.dispatchEventImpl(Window.java:2746)
    at java.awt.Component.dispatchEvent(Component.java:4721)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:766)
    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:74)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
    at java.awt.EventQueue$4.run(EventQueue.java:739)
    at java.awt.EventQueue$4.run(EventQueue.java:737)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:736)
    at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:908)
    at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.java:846)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:778)
    at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:424)
    at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:687)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:423)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
    at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190)
    at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235)
    at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233)
    at java.awt.Dialog.show(Dialog.java:1077)
    at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:708)
    at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:433)
    at com.intellij.openapi.ui.DialogWrapper.doShow(DialogWrapper.java:1698)
    at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1657)
    at com.android.tools.idea.updater.SdkComponentSource.installUpdates(SdkComponentSource.java:108)
    at com.intellij.openapi.updateSettings.impl.UpdateChecker$showUpdateResult$runnable$3.invoke(UpdateChecker.kt:427)
    at com.intellij.openapi.updateSettings.impl.UpdateChecker$showUpdateResult$runnable$3.invoke(UpdateChecker.kt:55)
    at com.intellij.openapi.updateSettings.impl.UpdateChecker.showUpdateResult(UpdateChecker.kt:430)
    at com.intellij.openapi.updateSettings.impl.UpdateChecker.access$showUpdateResult(UpdateChecker.kt:55)
    at com.intellij.openapi.updateSettings.impl.UpdateChecker$doUpdateAndShowResult$1.run(UpdateChecker.kt:157)
    at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:309)
    at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.doRun(LaterInvocator.java:441)
    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:764)
    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:74)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
    at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:908)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:781)
    at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:424)
    at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:698)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:423)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
    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)
2020-06-27 12:26:01,696 [5987246]  ERROR - enapi.editor.impl.SettingsImpl - Android Studio 4.0  Build #AI-193.6911.18.40.6514223 
2020-06-27 12:26:01,696 [5987246]  ERROR - enapi.editor.impl.SettingsImpl - JDK: 1.8.0_242-release; VM: OpenJDK 64-Bit Server VM; Vendor: JetBrains s.r.o 
2020-06-27 12:26:01,696 [5987246]  ERROR - enapi.editor.impl.SettingsImpl - OS: Windows 10
android-studio-4.0 code-editor android
2 Answers

While going through logs found this.

ERROR - ij.psi.stubs.StubUpdatingIndex - Error indexing:jar://C:/Users/user/AppData/Local/Android/Sdk/platforms/android-29/android.jar!/android/media/midi/MidiDevice.class 
java.lang.NoClassDefFoundError: Could not initialize class name.kropp.intellij.makefile.psi.MakefileTypes

@Andy you were right, deleting following folders fixed the issue.

  1. C:\Users\user.AndroidStudio4.0\config\plugins
  2. C:\Users\user.AndroidStudio4.0\config\cache

Although on first start studio thrown an exception but on next restart every thing was fine

user_113202300

I got this error in Android Studio IDE

java.lang.IllegalArgumentException: TextHitInfo is out of range

and then my text editor windows was gone. Restart and clear caches did not help.

On Mac this restored my editor window:

  1. go to <Project-Folder>/.idea/
  2. delete workspace.xml
  3. close and reopen project.
user_173185940
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