public async void ToggleWatcher()
{
await Dispatcher.DispatchAsync(() =>
{
if (IsWatcherStarted == false)
{
BluetoothLEScanningMode convertedScanningMode = BluetoothLEScanningMode.Passive;
if (scanningMode == MonitorScanningMode.Active)
{
convertedScanningMode = BluetoothLEScanningMode.Active;
}
else if ((scanningMode == MonitorScanningMode.None) &&
ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 10))
{
convertedScanningMode = BluetoothLEScanningMode.None;
}
Context.StartAdvertisementWatcher(convertedScanningMode);
}
else
{
Context.StopAdvertisementWatcher();
}
});
}
public void StartAdvertisementWatcher(BluetoothLEScanningMode scanningMode)
{
if (!AdvertisementWatcherStarted)
{
Advertisements.Clear();
advertisementWatcher.ScanningMode = scanningMode;
if (ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 10))
{
advertisementWatcher.AllowExtendedAdvertisements = true;
}
advertisementWatcher.Start();
AdvertisementWatcherStarted = true;
}
}
