public async Task Initialize()
{
try
{
// Initialize the provider for the hosted RFCOMM service
_provider = await Windows.Devices.Bluetooth.Rfcomm.RfcommServiceProvider.CreateAsync(RfcommServiceId.ObexObjectPush);
//reader = null;
// Create a listener for this service and start listening
StreamSocketListener listener = new StreamSocketListener();
listener.ConnectionReceived += OnConnectionReceived;
await listener.BindServiceNameAsync(
_provider.ServiceId.AsString(),
SocketProtectionLevel
.BluetoothEncryptionAllowNullAuthentication);
// Set the SDP attributes and start advertising
InitializeServiceSdpAttributes(_provider);
_provider.StartAdvertising(listener);
PostMessage("OBEX_Receiver.Initialize", "Listening");
}
catch (Exception ex)
{
PostMessage("OBEX_Receiver.Initialize", ex.Message);
}
}
private async System.Threading.Tasks.Task MakeDiscoverable()
{
// Make the system discoverable. Don'd repeatedly do this or the StartAdvertising will throw "cannot create a file when that file already exists"
if (!App.IsBluetoothDiscoverable)
{
Guid BluetoothServiceUuid = new Guid("17890000-0068-0069-1532-1992D79BE4D8");
try
{
provider = await RfcommServiceProvider.CreateAsync(RfcommServiceId.FromUuid(BluetoothServiceUuid));
Windows.Networking.Sockets.StreamSocketListener listener = new Windows.Networking.Sockets.StreamSocketListener();
listener.ConnectionReceived += OnConnectionReceived;
await listener.BindServiceNameAsync(provider.ServiceId.AsString(), Windows.Networking.Sockets.SocketProtectionLevel.PlainSocket);
// SocketProtectionLevel.BluetoothEncryptionAllowNullAuthentication);
// Don't bother setting SPD attributes
provider.StartAdvertising(listener, true);
App.IsBluetoothDiscoverable = true;
}
catch (Exception e)
{
string formatString = BluetoothDeviceInformationDisplay.GetResourceString("BluetoothNoDeviceAvailableFormat");
string confirmationMessage = string.Format(formatString, e.Message);
DisplayMessagePanelAsync(confirmationMessage, MessageType.InformationalMessage);
}
}
}
public async Task <bool> StartServer()
{
// Initialize the provider for the hosted RFCOMM service.
provider = await RfcommServiceProvider.CreateAsync(RfcommServiceId.ObexObjectPush);
if (provider != null)
{
// Create a listener for this service and start listening.
socketListener = new StreamSocketListener();
socketListener.ConnectionReceived += OnConnectionReceived;
await socketListener.BindServiceNameAsync(provider.ServiceId.AsString(), SocketProtectionLevel.BluetoothEncryptionAllowNullAuthentication);
// Set the SDP attributes and start advertising.
InitializeServiceSdpAttributes(provider);
provider.StartAdvertising(socketListener);
isAdvertising = true;
return(true);
}
else
{
await new MessageDialog("No").ShowAsync();
return(false);
}
return(false);
}
public void Disconnect()
{
Listening = false;
if (provider != null)
{
if (isAdvertising)
{
provider.StopAdvertising();
}
provider = null;
} // StopAdvertising relentlessly causes a crash if not advertising.
if (socketListener != null)
{
socketListener.Dispose(); socketListener = null;
}
if (writer != null)
{
writer.DetachStream(); writer.Dispose(); writer = null;
}
if (reader != null)
{
reader.DetachStream(); reader.Dispose(); reader = null;
}
if (socket != null)
{
socket.Dispose(); socket = null;
}
if (listeningTask != null)
{
listeningTask = null;
}
}
//Receive File as a Server
public async void InitializeServer()
{
// Initialize the provider for the hosted RFCOMM service
_provider =
await Windows.Devices.Bluetooth.Rfcomm.RfcommServiceProvider.CreateAsync(
RfcommServiceId.ObexObjectPush);
// Create a listener for this service and start listening
StreamSocketListener listener = new StreamSocketListener();
listener.ConnectionReceived += OnConnectionReceivedAsync;
await listener.BindServiceNameAsync(
_provider.ServiceId.AsString(),
SocketProtectionLevel
.BluetoothEncryptionAllowNullAuthentication);
// Set the SDP attributes and start advertising
InitializeServiceSdpAttributes(_provider);
_provider.StartAdvertising(listener);
}
private async System.Threading.Tasks.Task MakeDiscoverable()
{
// Make the system discoverable. Don'd repeatedly do this or the StartAdvertising will throw "cannot create a file when that file already exists"
if (!App.IsBluetoothDiscoverable)
{
Guid BluetoothServiceUuid = new Guid("17890000-0068-0069-1532-1992D79BE4D8");
try
{
provider = await RfcommServiceProvider.CreateAsync(RfcommServiceId.FromUuid(BluetoothServiceUuid));
Windows.Networking.Sockets.StreamSocketListener listener = new Windows.Networking.Sockets.StreamSocketListener();
listener.ConnectionReceived += OnConnectionReceived;
await listener.BindServiceNameAsync(provider.ServiceId.AsString(), Windows.Networking.Sockets.SocketProtectionLevel.PlainSocket);
// SocketProtectionLevel.BluetoothEncryptionAllowNullAuthentication);
// Don't bother setting SPD attributes
provider.StartAdvertising(listener, true);
App.IsBluetoothDiscoverable = true;
}
catch (Exception e)
{
string formatString = BluetoothDeviceInformationDisplay.GetResourceString("BluetoothNoDeviceAvailableFormat");
string confirmationMessage = string.Format(formatString, e.Message);
DisplayMessagePanel(confirmationMessage, MessageType.InformationalMessage);
}
}
}
private RfcommServiceProvider(Windows.Devices.Bluetooth.Rfcomm.RfcommServiceProvider provider)
{
_provider = provider;
}