private void ShowServicesAndCharacteristics(BluetoothConnectionHandler connectionHandler)
        {
            var listView = FindViewById <ListView>(Resource.Id.ServiceList);

            var filterUuid = new [] { UUID.FromString("00001800-0000-1000-8000-00805F9B34FB"),
                                      UUID.FromString("00001801-0000-1000-8000-00805F9B34FB"), UUID.FromString("7905F431-B5CE-4E99-A40F-4B1E122D00D0") };

            var serviceList = connectionHandler.GetServiceList().Where(s => filterUuid.All(uuid => !uuid.Equals(s.Uuid)));

            listView.Adapter    = _adapter = CreateServiceListAdapter(serviceList);
            listView.ItemClick += OnItemClick;
        }
        private void ShowServicesAndCharacteristics(BluetoothConnectionHandler connectionHandler)
        {
            var listView = FindViewById<ListView>(Resource.Id.ServiceList);

            var filterUuid = new [] { UUID.FromString("00001800-0000-1000-8000-00805F9B34FB"),
                UUID.FromString("00001801-0000-1000-8000-00805F9B34FB"), UUID.FromString("7905F431-B5CE-4E99-A40F-4B1E122D00D0") };

            var serviceList = connectionHandler.GetServiceList().Where(s => filterUuid.All(uuid => !uuid.Equals(s.Uuid)));
            listView.Adapter = _adapter = CreateServiceListAdapter(serviceList);
            listView.ItemClick += OnItemClick;
        }