private void OnAdvertisingTextBoxTextChanged(object sender, TextChangedEventArgs e)
{
if (sender is TextBox)
{
TextBox textBox = sender as TextBox;
string textBoxName = textBox.Name.ToLower();
string text = textBox.Text;
if (textBoxName.StartsWith("beaconid1"))
{
int oldTextLength = text.Length;
int oldCaretPosition = textBox.SelectionStart;
BeaconId1 = BeaconFactory.FormatUuid(text);
int newCaretPosition = oldCaretPosition + (BeaconId1.Length - oldTextLength);
if (newCaretPosition > 0 && newCaretPosition <= BeaconId1.Length)
{
textBox.SelectionStart = newCaretPosition;
}
}
else if (textBoxName.StartsWith("beaconid2"))
{
BeaconId2 = text;
}
else if (textBoxName.StartsWith("beaconid3"))
{
BeaconId3 = text;
}
}
}
private async void OnAdvertisemenetReceivedAsync(BluetoothLEAdvertisementWatcher sender, BluetoothLEAdvertisementReceivedEventArgs args)
{
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(
Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
Beacon beacon = BeaconFactory.BeaconFromBluetoothLEAdvertisementReceivedEventArgs(args);
if (beacon != null)
{
System.Diagnostics.Debug.WriteLine("Received advertisement from beacon " + beacon.ToString());
bool existingBeaconUpdated = false;
foreach (Beacon existingBeacon in BeaconCollection)
{
if (existingBeacon.Update(beacon))
{
existingBeaconUpdated = true;
beacon.Dispose();
}
}
if (!existingBeaconUpdated)
{
BeaconCollection.Add(beacon);
}
}
});
}
private void CalculateDistance(int rawSignalStrengthInDBm, int measuredPower)
{
if (rawSignalStrengthInDBm != 0 && measuredPower != 0)
{
Distance = Math.Round(BeaconFactory.CalculateDistanceFromRssi(rawSignalStrengthInDBm, measuredPower), 1);
}
}
/// <summary>
/// Constructs the collection for beacons that we detect and the BLE beacon advertisement
/// watcher.
///
/// Hooks the events of the watcher and sets the watcher filter based on
/// the manufacturer ID and beacon code.
/// </summary>
private void InitializeScanner()
{
BeaconCollection = new ObservableCollection <Beacon>();
_bluetoothLEAdvertisemenetWatcher = new BluetoothLEAdvertisementWatcher();
_bluetoothLEAdvertisemenetWatcher.Stopped += OnWatcherStoppedAsync;
_bluetoothLEAdvertisemenetWatcher.Received += OnAdvertisemenetReceivedAsync;
BluetoothLEManufacturerData manufacturerData = BeaconFactory.BeaconManufacturerData(ManufacturerId, BeaconCode);
_bluetoothLEAdvertisemenetWatcher.AdvertisementFilter.Advertisement.ManufacturerData.Add(manufacturerData);
}
private async void OnTogglePublisherButtonClickedAsync(object sender, RoutedEventArgs e)
{
if (_bluetoothLEAdvertisementPublisher.Status != BluetoothLEAdvertisementPublisherStatus.Started)
{
Beacon beacon = new Beacon();
beacon.ManufacturerId = ManufacturerId;
beacon.Code = BeaconCode;
beacon.Id1 = BeaconId1;
try
{
beacon.Id2 = UInt16.Parse(BeaconId2);
beacon.Id3 = UInt16.Parse(BeaconId3);
}
catch (Exception)
{
}
beacon.MeasuredPower = -58;
System.Diagnostics.Debug.WriteLine("Will try to advertise as beacon " + beacon.ToString());
BluetoothLEAdvertisementDataSection dataSection = BeaconFactory.BeaconToSecondDataSection(beacon);
_bluetoothLEAdvertisementPublisher.Advertisement.DataSections.Add(dataSection);
try
{
_bluetoothLEAdvertisementPublisher.Start();
}
catch (Exception ex)
{
MessageDialog messageDialog = new MessageDialog("Failed to start Bluetooth LE Advertisement Publisher: " + ex.Message);
await messageDialog.ShowAsync();
}
}
else
{
_bluetoothLEAdvertisementPublisher.Stop();
}
}
public override string ToString()
{
return(BeaconFactory.FormatUuid(Id1) + ":" + Id2 + ":" + Id3);
}