[android-developers] Re: Bluetooth socket to non Android device

The other device has to advertise SDP record for Android to be able to
connect to it.
1) Find out what's the service UUID - run "sdptool browse" on linux
or 2) Connect directly to specific RFCOMM channel -
http://code.google.com/p/android/issues/detail?id=5427 (not official
API!)

On May 18, 11:06 pm, Chris <cbu...@gmail.com> wrote:
> Hi, I have an app that is trying to connect to another device that is
> not running Android, I have code written in C# to connect to it but I
> do not know how to get around this UUID parameter.  I cannot access
> this device, nor do I know of a PIN so I cannot pair with it through
> the Bluetooth Settings.  I read somewhere that Android needs to be
> paired with the device before it can connect, is this true?
>
> Currently my app discovers all Bluetooth devices and I select which to
> connect to.  I've tried many different UUIDs from what I've found
> online, the most common being "00001101-0000-1000-8000-00805F9B34FB".
> So far nothing has allowed me to connect. Below is a snippet of my
> connect method.  Is there anyway I can work around this UUID issue?
>
> private int connect(BluetoothDevice device)
> {
>                 dev = device;
>
>                 BluetoothSocket tmp = null;
>
>         try
>         {
>                 tmp = dev.createRfcommSocketToServiceRecord(MY_UUID);
>         } // try
>         catch (IOException e)
>         {
>                 Log.e("", "create() failed" , e);
>         } // catch
>
>         sock = tmp;
>         ba.cancelDiscovery();
>         Log.d("BT", "Starting connect");
>
>         try
>         {
>                 sock.connect();
>                 Log.d("BT", "CONNECTED!");
>
>                 if(createStreams() < 0)
>                         return(-1);
>         }  // try
>         catch (IOException e)
>         {
>                 Log.e("BT", "Failed to connect");
>                 // make toast
>                 Context con = getApplicationContext();
>                 CharSequence text = "Bluetooth socket connect failed";
>                 int duration = Toast.LENGTH_SHORT;
>                 Toast toast = Toast.makeText(con, text, duration);
>                 toast.show();
>
>                 try
>                 {
>                         sock.close();
>                 } // try
>                 catch (IOException e2)
>                 {
>                         Log.e("BT", "Unable to close() socket during connection
> failure", e2);
>                 } // catch
>                 return(-1);
>        } // catch
> ...
>
> } // connect
>
> Thanks all help is appreciated,
>
> cbudz
>
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