public void Stop()
{
// Call stop on the publisher and expect the status changed callback
if (_publisher != null &&
(_publisher.Status == WiFiDirectAdvertisementPublisherStatus.Created ||
_publisher.Status == WiFiDirectAdvertisementPublisherStatus.Started))
{
_publisher.Stop();
}
else
{
_listener.OnAdvertisementStopped("Advertisement status is null or bad status");
}
}
public void Stop()
{
if (_active)
{
_publisher.Stop();
}
}
public void Stop()
{
if (_publisher.Status == WiFiDirectAdvertisementPublisherStatus.Started)
{
_publisher.Stop();
}
}
// Stop advertizing
public void Dispose()
{
if (publisher != null)
{
publisher.Stop();
}
}
private static void DisposeWiFiPublisher()
{
wifiPublisher.Stop();
wifiPublisher.StatusChanged -= WifiPublisher_StatusChanged;
wifiPublisher = null;
wifiConnectionListener.ConnectionRequested -= WifiConnectionListener_ConnectionRequested;
wifiConnectionListener = null;
}
private void StopAdvertisement()
{
_publisher.Stop();
_publisher.StatusChanged -= OnStatusChanged;
_listener.ConnectionRequested -= OnConnectionRequested;
connectionSettingsPanel.Reset();
_informationElements.Clear();
btnStartAdvertisement.IsEnabled = true;
btnStopAdvertisement.IsEnabled = false;
}
private void btnWatcher_Click(object sender, RoutedEventArgs e)
{
if (_fWatcherStarted == false)
{
_publisher.Start();
if (_publisher.Status != WiFiDirectAdvertisementPublisherStatus.Started)
{
rootPage.NotifyUser("Failed to start advertisement.", NotifyType.ErrorMessage);
return;
}
DiscoveredDevices.Clear();
rootPage.NotifyUser("Finding Devices...", NotifyType.StatusMessage);
String deviceSelector = WiFiDirectDevice.GetDeviceSelector(
Utils.GetSelectedItemTag <WiFiDirectDeviceSelectorType>(cmbDeviceSelector));
_deviceWatcher = DeviceInformation.CreateWatcher(deviceSelector, new string[] { "System.Devices.WiFiDirect.InformationElements" });
_deviceWatcher.Added += OnDeviceAdded;
_deviceWatcher.Removed += OnDeviceRemoved;
_deviceWatcher.Updated += OnDeviceUpdated;
_deviceWatcher.EnumerationCompleted += OnEnumerationCompleted;
_deviceWatcher.Stopped += OnStopped;
_deviceWatcher.Start();
btnWatcher.Content = "Stop Watcher";
_fWatcherStarted = true;
}
else
{
_publisher.Stop();
btnWatcher.Content = "Start Watcher";
_fWatcherStarted = false;
_deviceWatcher.Added -= OnDeviceAdded;
_deviceWatcher.Removed -= OnDeviceRemoved;
_deviceWatcher.Updated -= OnDeviceUpdated;
_deviceWatcher.EnumerationCompleted -= OnEnumerationCompleted;
_deviceWatcher.Stopped -= OnStopped;
_deviceWatcher.Stop();
rootPage.NotifyUser("Device watcher stopped.", NotifyType.StatusMessage);
}
}
public void StopScan()
{
_scanning = false;
_publisher.Stop();
_deviceWatcher.Added -= OnDeviceAdded;
_deviceWatcher.Removed -= OnDeviceRemoved;
_deviceWatcher.Updated -= OnDeviceUpdated;
_deviceWatcher.EnumerationCompleted -= OnEnumerationCompleted;
_deviceWatcher.Stopped -= OnStopped;
_deviceWatcher.Stop();
LastErrorMessage = "Device watcher stopped.";
}
private void btnStopAdvertisement_Click(object sender, RoutedEventArgs e)
{
try
{
if (_publisher != null)
{
_publisher.Stop();
_publisher.StatusChanged -= OnStatusChanged;
rootPage.NotifyUser("Advertisement stopped successfully", NotifyType.StatusMessage);
}
if (_listener != null)
{
_listener.ConnectionRequested -= OnConnectionRequested;
}
}
catch (Exception ex)
{
rootPage.NotifyUser("Error stopping Advertisement: " + ex.ToString(), NotifyType.ErrorMessage);
}
}
private async void SetupWifiDirect()
{
ListenForIncomingConnections();
if (_fWatcherStarted == false)
{
_publisher.Advertisement.ListenStateDiscoverability = WiFiDirectAdvertisementListenStateDiscoverability.Normal;
//make this device known
_publisher.Start();
if (_publisher.Status != WiFiDirectAdvertisementPublisherStatus.Started)
{
NotifyUser("Failed to start advertisement.", NotifyType.ErrorMessage);
return;
}
//detect other devices
DiscoveredDevices.Clear();
NotifyUser("Finding Devices...", NotifyType.StatusMessage);
String deviceSelector = WiFiDirectDevice.GetDeviceSelector(WiFiDirectDeviceSelectorType.AssociationEndpoint);//WiFiDirectDevice.GetDeviceSelector(
//Utils.GetSelectedItemTag<WiFiDirectDeviceSelectorType>(cmbDeviceSelector));
_deviceWatcher = DeviceInformation.CreateWatcher(deviceSelector, new string[] { "System.Devices.WiFiDirect.InformationElements" });
_deviceWatcher.Added += OnDeviceAdded;
_deviceWatcher.Removed += OnDeviceRemoved;
_deviceWatcher.Updated += OnDeviceUpdated;
_deviceWatcher.EnumerationCompleted += OnEnumerationCompleted;
_deviceWatcher.Stopped += OnStopped;
_deviceWatcher.Start();
//btnWatcher.Content = "Stop Watcher";
_fWatcherStarted = true;
}
else
{
_publisher.Stop();
//btnWatcher.Content = "Start Watcher";
_fWatcherStarted = false;
_deviceWatcher.Added -= OnDeviceAdded;
_deviceWatcher.Removed -= OnDeviceRemoved;
_deviceWatcher.Updated -= OnDeviceUpdated;
_deviceWatcher.EnumerationCompleted -= OnEnumerationCompleted;
_deviceWatcher.Stopped -= OnStopped;
_deviceWatcher.Stop();
NotifyUser("Device watcher stopped.", NotifyType.StatusMessage);
}
string ServiceSelector = WiFiDirectService.GetSelector("WalkieTalkie");
// Get all WiFiDirect services that are advertising and in range
//DeviceInformationCollection devInfoCollection = await DeviceInformation.FindAllAsync(ServiceSelector);
//// Get a Service Seeker object
//WiFiDirectService Service = await WiFiDirectService.FromIdAsync(devInfoCollection[0].Id);
//// Connect to the Advertiser
//WiFiDirectServiceSession Session = await Service.ConnectAsync();
//// Get the local and remote IP addresses
//var EndpointPairs = Session.GetConnectionEndpointPairs();
}
private void Button_StopAdvertising_Click(object sender, RoutedEventArgs e)
{
publisher.Stop();
}
