java.lang.RuntimeException: Unable to resume activity {com.entitcs.office_attendance/com.entitcs.office_attendance.activities.Drawer_Activity}: java.lang.IllegalStateException: Cannot access database on the main thread since it may potentially lock the UI for a long period of time. at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4246) at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:4278) at android.app.servertransaction.ResumeActivityItem.execute(ResumeActivityItem.java:52) at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:176) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2049) at android.os.Handler.dispatchMessage(Handler.java:107) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7436) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:980) Caused by: 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:9464) at com.entitcs.office_attendance.activities.Drawer_Activity.get_attendancecount(Drawer_Activity.java:9521) at com.entitcs.office_attendance.activities.Drawer_Activity.onResume(Drawer_Activity.java:3355) at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1453) at android.app.Activity.performResume(Activity.java:7939) at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4236) ... 11 more