java.lang.IllegalStateException: Cannot access database on the main thread since it may potentially lock the UI for a long period of time. at androidx.room.RoomDatabase.assertNotMainThread(RoomDatabase.kt:435) at androidx.room.RoomDatabase.query(RoomDatabase.kt:476) at androidx.room.util.DBUtil.query(DBUtil.kt:75) at com.entitcs.office_attendance.liveTrackerKotlin.roomDB.TrackHistoryDao_Impl.getAllLocations(TrackHistoryDao_Impl.java:163) at com.entitcs.office_attendance.activities.Drawer_Activity.getAllOfflineDataForLiveTrack(Drawer_Activity.java:9460) at com.entitcs.office_attendance.activities.Drawer_Activity.onBackPressed(Drawer_Activity.java:3615) at android.app.Activity.onKeyUp(Activity.java:3641) at android.view.KeyEvent.dispatch(KeyEvent.java:2844) at android.app.Activity.dispatchKeyEvent(Activity.java:3958) at androidx.core.app.ComponentActivity.superDispatchKeyEvent(ComponentActivity.java:122) at androidx.core.view.KeyEventDispatcher.dispatchKeyEvent(KeyEventDispatcher.java:84) at androidx.core.app.ComponentActivity.dispatchKeyEvent(ComponentActivity.java:140) at androidx.appcompat.app.AppCompatActivity.dispatchKeyEvent(AppCompatActivity.java:599) at androidx.appcompat.view.WindowCallbackWrapper.dispatchKeyEvent(WindowCallbackWrapper.java:59) at androidx.appcompat.app.AppCompatDelegateImpl$AppCompatWindowCallback.dispatchKeyEvent(AppCompatDelegateImpl.java:3068) at androidx.appcompat.view.WindowCallbackWrapper.dispatchKeyEvent(WindowCallbackWrapper.java:59) at com.android.internal.policy.DecorView.dispatchKeyEvent(DecorView.java:367) at android.view.ViewRootImpl$ViewPostImeInputStage.processKeyEvent(ViewRootImpl.java:5600) at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:5463) at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4966) at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5019) at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4985) at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:5125) at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4993) at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:5182) at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4966) at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5019) at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4985) at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4993) at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4966) at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:5019) at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4985) at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:5158) at android.view.ViewRootImpl$ImeInputStage.onFinishedInputEvent(ViewRootImpl.java:5323) at android.view.inputmethod.InputMethodManager$PendingEvent.run(InputMethodManager.java:3064) at android.view.inputmethod.InputMethodManager.invokeFinishedInputEventCallback(InputMethodManager.java:2607) at android.view.inputmethod.InputMethodManager.finishedInputEvent(InputMethodManager.java:2598) at android.view.inputmethod.InputMethodManager$ImeInputEventSender.onInputEventFinished(InputMethodManager.java:3041) at android.view.InputEventSender.dispatchInputEventFinished(InputEventSender.java:143) at android.os.MessageQueue.nativePollOnce(Native Method) at android.os.MessageQueue.next(MessageQueue.java:336) at android.os.Looper.loop(Looper.java:174) at android.app.ActivityThread.main(ActivityThread.java:7436) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:980)