public interface ObexTransport
ObexTransportinterface defines the underlying transport connection which carries the OBEX protocol( such as TCP, RFCOMM device file exposed by Bluetooth or USB in kernel, RFCOMM socket emulated in Android platform, Irda). This interface provides an abstract layer to be used by the
ObexConnection. Each kind of medium shall have its own implementation to wrap and follow the same interface.
See section 1.2.2 of IrDA Object Exchange Protocol specification.
Different kind of medium may have different construction - for example, the RFCOMM device file medium may be constructed from a file descriptor or simply a string while the TCP medium usually from a socket.