Can Not Run my Android App in device and simulator in mac

Question

adb start-server adb kill -server i tried but not working. find below log . java.lang.IllegalStateException at com.android.tools.idea.explorer.adbimpl.AdbDeviceFileSystemService.checkState(AdbDeviceFileSystemService.java:221) at com.android.tools.idea.explorer.adbimpl.AdbDeviceFileSystemService.getDevices(AdbDeviceFileSystemService.java:215) at com.android.tools.idea.explorer.DeviceExplorerController.refreshDeviceList(DeviceExplorerController.java:243) at com.android.tools.idea.explorer.DeviceExplorerController.access$300(DeviceExplorerController.java:101) at com.android.tools.idea.explorer.DeviceExplorerController$ServiceListener.serviceRestarted(DeviceExplorerController.java:449) at java.base/java.util.ArrayList.forEach(ArrayList.java:1541) at com.android.tools.idea.explorer.adbimpl.AdbDeviceFileSystemService$DebugBridgeChangeListener.lambda$bridgeChanged$1(AdbDeviceFileSystemService.java:232) at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:201) at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:828) at com.intellij.openapi.application.impl.ApplicationImpl.lambda$invokeLater$4(ApplicationImpl.java:330) at com.intellij.openapi.application.impl.FlushQueue.doRun(FlushQueue.java:85) at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:134) at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:47) at com.intellij.openapi.application.impl.FlushQueue$FlushNow.run(FlushQueue.java:190) at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:776) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:727) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:746) at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:976) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:843) at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:454) at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:773) at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$9(IdeEventQueue.java:453) at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:828) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:501) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

Answer 1

For me, the solution was to start a new project. Since I was only using the emulator for testing via Expo (I'm building a React Native app), I simply went to File > New Project.

The new project has a working emulator 😊