public async Task SetNotify()

in BluetoothLEExplorer/BluetoothLEExplorer/Models/ObservableGattCharacteristics.cs [608:659]
45 lines of code
7 McCabe index (conditional complexity)

        public async Task<bool> SetNotify()
        {
            if (IsNotifySet == true)
            {
                // already set
                return true;
            }

            try
            {
                // BT_Code: Must write the CCCD in order for server to send indications.
                // We receive them in the ValueChanged event handler.
                // Note that this sample configures either Indicate or Notify, but not both.
                var result = await
                        characteristic.WriteClientCharacteristicConfigurationDescriptorAsync(
                            GattClientCharacteristicConfigurationDescriptorValue.Notify);
                if (result == GattCommunicationStatus.Success)
                {
                    Debug.WriteLine("Successfully registered for notifications");
                    IsNotifySet = true;
                    return true;
                }
                else if (result == GattCommunicationStatus.ProtocolError)
                {
                    Debug.WriteLine("Error registering for notifications: Protocol Error");
                    IsNotifySet = false;
                    return false;
                }
                else if (result == GattCommunicationStatus.Unreachable)
                {
                    Debug.WriteLine("Error registering for notifications: Unreachable");
                    IsNotifySet = false;
                    return false;
                }
            }
            catch (UnauthorizedAccessException ex)
            {
                // This usually happens when a device reports that it support indicate, but it actually doesn't.
                Debug.WriteLine("Unauthorized Exception: " + ex.Message);
                IsNotifySet = false;
                return false;
            }
            catch (Exception ex)
            {
                Debug.WriteLine("Generic Exception: " + ex.Message);
                IsNotifySet = false;
                return false;
            }

            IsNotifySet = false;
            return false;
        }