private void Instance_Ranged(object sender, IEnumerable <IBeacon> e)
        {
            try
            {
                Beacons.Clear();
                foreach (var beacon in e)
                {
                    var imageCellBeacon = new ImageCellBeacon
                    {
                        Text        = beacon.Proximity.ToString(),
                        Detail      = $"{beacon.Major}.{beacon.Minor}",
                        DetailColor =
                            beacon.Uuid == EstimoteConfig.EstimoteUuidVirtual ? "Blue" : "Purple",
                        ImageSource =
                            beacon.Uuid == EstimoteConfig.EstimoteUuidVirtual ? "EstimoteBlue.png"
                                : "EstimotePurple.png",
                    };
                    Beacons.Add(imageCellBeacon);
                }
                _beaconsFound = DateTime.Now;
                DisplayCurrentStatus();
                if (!_timerStarted)
                {
                    Device.StartTimer(TimeSpan.FromSeconds(5), TimerElapsed);
                    _timerStarted = true;
                }

                Debug.WriteLine("Beacons : " + Beacons.Count);
            }
            catch (Exception exception)
            {
                LogStatus = exception.Message;
            }
        }
        public void CreateBeacon(AdvertisementBeaconPageNewBeaconViewModel parameters)
        {
            short?preferredTxPower = null;

            if (parameters.PreferredTxPower != "")
            {
                preferredTxPower = Convert.ToInt16(parameters.PreferredTxPower);
            }

            var beacon = new ObservableBluetoothLEBeacon(
                GattConvert.ToIBufferFromHexString(parameters.Payload).ToArray(),
                parameters.UseExtendedFormat,
                parameters.IsAnonymous,
                parameters.IncludeTxPower,
                preferredTxPower);

            Beacons.Add(beacon);

            // Reset the parameters after creation.
            parameters.Reset();
        }