public MainActivity()
 {
     beaconManager = IBeaconManager.GetInstanceForApplication(this);
     monitorNotifier = new MonitorNotifier();
     rangeNotifier = new RangeNotifier();
     monitorRegion = new Region(TagName, null, null, null);
     rangeRegion = new Region(TagName, null, null, null);
     dbm = new DBManager();
     dbm.SetupDB();
 }