/// <summary>
/// 连接到指定的蓝牙设备的RFComm服务
/// </summary>
/// <param name="BL">要连接到的设备</param>
/// <returns>主机对象的规范名称</returns>
public async Task <string> ConnectToRfcommServiceAsync(BluetoothDeivceData BL)
{
if (BL == null)
{
throw new ArgumentNullException(nameof(BL), "Parameter could not be null");
}
try
{
using (Windows.Devices.Bluetooth.BluetoothDevice Device = await Windows.Devices.Bluetooth.BluetoothDevice.FromIdAsync(BL.Id))
{
RfcommDeviceServicesResult Services = await Device.GetRfcommServicesForIdAsync(RfcommServiceId.ObexObjectPush);
if (Services.Services.Any())
{
return(Services.Services.Select((Service) => Service.ConnectionHostName?.CanonicalName).Where((Name) => !string.IsNullOrEmpty(Name)).FirstOrDefault());
}
else
{
throw new Exception(Globalization.GetString("BluetoothUI_Tips_Text_3"));
}
}
}
catch
{
throw new Exception(Globalization.GetString("BluetoothUI_Tips_Text_2"));
}
}
/// <summary>
/// 异步启动蓝牙的配对过程
/// </summary>
/// <param name="DeviceInfo"></param>
/// <returns></returns>
private async Task PairAsync(BluetoothDeivceData Device)
{
try
{
if (Device.DeviceInfo.Pairing.CanPair)
{
DeviceInformationCustomPairing CustomPairing = Device.DeviceInfo.Pairing.Custom;
CustomPairing.PairingRequested += CustomPairInfo_PairingRequested;
DevicePairingResult PairResult = await CustomPairing.PairAsync(DevicePairingKinds.ConfirmOnly | DevicePairingKinds.ConfirmPinMatch, DevicePairingProtectionLevel.EncryptionAndAuthentication);
CustomPairing.PairingRequested -= CustomPairInfo_PairingRequested;
if (PairResult.Status == DevicePairingResultStatus.Paired)
{
Device.Update();
}
else
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
Tips.Text = Globalization.GetString("BluetoothUI_Tips_Text_4");
Tips.Visibility = Visibility.Visible;
});
}
}
else
{
LogTracer.Log($"Unable pair with Bluetooth device: \"{Device.Name}\", reason: CanPair property return false");
}
}
catch (Exception ex)
{
LogTracer.Log(ex, $"Unable pair with Bluetooth device: \"{Device.Name}\"");
}
}
