public bool Notify(BluetoothGattCharacteristicModel bluetoothGattCharacteristicModel) { const bool Enable = true; var characteristic = _gatt.GetService(Java.Util.UUID.FromString(bluetoothGattCharacteristicModel.ServiceUuid.ToString())) .GetCharacteristic(Java.Util.UUID.FromString(bluetoothGattCharacteristicModel.Uuid.ToString())); bool result = _gatt.SetCharacteristicNotification(characteristic, Enable); foreach (var descriptor in characteristic.Descriptors) { descriptor.SetValue(BluetoothGattDescriptor.EnableNotificationValue.ToArray()); _gatt.WriteDescriptor(descriptor); } return(result); }