Yumin Gui

java.lang.NullPointerException: Cannot invoke "com.intellij.openapi.wm.ToolWindow.setAvailable(boolean)" because the return value of "com.intellij.openapi.wm.ToolWindowManager.getToolWindow(String)" is null at io.flutter.performance.FlutterPerformanceViewFactory.lambda$initPerfView$1(FlutterPerformanceViewFactory.java:43) at com.intellij.util.concurrency.ContextRunnable.run(ContextRunnable.java:27) at com.intellij.openapi.application.TransactionGuardImpl.runWithWritingAllowed(TransactionGuardImpl.java:229) at com.intellij.openapi.application.TransactionGuardImpl.access$100(TransactionGuardImpl.java:22) at com.intellij.openapi.application.TransactionGuardImpl$1.run(TransactionGuardImpl.java:191) at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runIntendedWriteActionOnCurrentThread$lambda$1(AnyThreadWriteThreadingSupport.kt:184) at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteIntentReadAction(AnyThreadWriteThreadingSupport.kt:84) at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runIntendedWriteActionOnCurrentThread(AnyThreadWriteThreadingSupport.kt:183) at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:836)...

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