Bluetooth RfcommDeviceService.FromIdAsync() returns null

Question

The RfcommDeviceService.FromIdAsync() always  returns null, Here is my code, Please help to fix,

string

serialDeviceType =RfcommDeviceService.GetDeviceSelector(RfcommServiceId.SerialPort);

           

varservices =awaitDeviceInformation.FindAllAsync(serialDeviceType);

_service

          =awaitRfcommDeviceService.FromIdAsync(services[0].Id);

_service is always null. Please help me to fix this.

Answer 1

Hi,

Did you check the thread below,

https://social.msdn.microsoft.com/Forums/en-US/c2ed8563-0a3a-4479-b529-82a4ab2db8f2/why-does-rfcommdeviceservicefromidasync-return-null?forum=winappswithcsharp

Regards,

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