/// <summary>
/// Constructs Beacon instances from the trigger data and adds recognized beacons to the _beacons list.
/// </summary>
private List <Beacon> TriggerDetailsToBeacons(BluetoothLEAdvertisementWatcherTriggerDetails triggerDetails)
{
List <Beacon> beacons = new List <Beacon>();
if (triggerDetails != null)
{
foreach (var bleAdvertisementReceivedEventArgs in triggerDetails.Advertisements)
{
Beacon beacon = BeaconFactory.BeaconFromBluetoothLeAdvertisementReceivedEventArgs(bleAdvertisementReceivedEventArgs);
beacons.Add(beacon);
}
}
return(beacons);
}
/// <summary>
/// Triggered when the watcher receives an advertisement.
/// If the advertisement came from a beacon, a Beacon instance is created based on the
/// received data. A new beacon is added to the list and an existing one is only updated.
/// </summary>
private async void OnAdvertisementReceived(BluetoothLEAdvertisementWatcher sender, BluetoothLEAdvertisementReceivedEventArgs args)
{
Logger.Debug("Scanner: Advertisement received " + args.Timestamp.ToString("HH:mm:ss.fff"));
Beacon beacon = BeaconFactory.BeaconFromBluetoothLeAdvertisementReceivedEventArgs(args);
if (beacon != null)
{
if (_enterDistanceThreshold != null && beacon.Distance > _enterDistanceThreshold.Value)
{
return;
}
if (!FilterBeaconByUuid(beacon))
{
return;
}
NotifyBeaconEvent(beacon);
}
}
