private void UpdatePairingButtons()
{
RfcommDeviceDisplay deviceDisp = (RfcommDeviceDisplay)ResultsListView.SelectedItem;
if (null != deviceDisp)
{
ConnectButton.IsEnabled = true;
}
else
{
ConnectButton.IsEnabled = false;
}
}
public async void Connect(RfcommDeviceDisplay deviceInfoDisp)
{
try
{
bluetoothDevice = await BluetoothDevice.FromIdAsync(deviceInfoDisp.Id);
}
catch
{
//rootPage.NotifyUser(ex.Message, NotifyType.ErrorMessage);
return;
}
// If we were unable to get a valid Bluetooth device object,
// it's most likely because the user has specified that all unpaired devices
// should not be interacted with.
// This should return a list of uncached Bluetooth services (so if the server was not active when paired, it will still be detected by this call
string uuid = "17fcf242-f86d-4e35-805e-" + Constants.BLUETOOTH_ID;
Guid RfcommChatServiceUuid = Guid.Parse(uuid);
var rfcommServices = await bluetoothDevice.GetRfcommServicesForIdAsync(
RfcommServiceId.FromUuid(RfcommChatServiceUuid), BluetoothCacheMode.Uncached);
if (rfcommServices.Services.Count > 0)
{
ConnectService = rfcommServices.Services[0];
}
else
{
return;
}
// Do various checks of the SDP record to make sure you are talking to a device that actually supports the Bluetooth Rfcomm Chat Service
UInt16 SdpServiceNameAttributeId = 0x100;
var attributes = await ConnectService.GetSdpRawAttributesAsync();
if (!attributes.ContainsKey(SdpServiceNameAttributeId))
{
Console.WriteLine("sdpAttributeがおかしい");
return;
}
byte SdpServiceNameAttributeType = (4 << 3) | 5;
var attributeReader = DataReader.FromBuffer(attributes[SdpServiceNameAttributeId]);
var attributeType = attributeReader.ReadByte();
if (attributeType != SdpServiceNameAttributeType)
{
Console.WriteLine("sdpNameAttributeがおかしい");
return;
}
var serviceNameLength = attributeReader.ReadByte();
lock (this) //lock構文、排他制御
{
ConnectSocket = new StreamSocket();
}
try
{
await ConnectSocket.ConnectAsync(ConnectService.ConnectionHostName, ConnectService.ConnectionServiceName);
}
catch (Exception ex) when((uint)ex.HResult == 0x80072740) // WSAEADDRINUSE
{
Console.WriteLine("socket接続がおかしい");
}
}