Can you be more specific about how you get better performance through SDP? What size data are you sending? Do you mean higher throughput or higher latency?
The dominant factor in short transfers over both SDP and RFCOMM is the page scan, which would be 1-2 seconds no matter which protocol you use. Nick On Tue, Nov 17, 2009 at 9:32 AM, Sean Liao <wirelessw...@gmail.com> wrote: > Although I personal feel service discovery is quiet fundamental in generic > bluetooth solution, it is actually not very high priority for my current > products. Since we custom make the remote devices and home grown mobile > applications, we feel getting data from connection is faster than going thru > SDP and get data from service records. Our application runs continuously > and we are trying to shorten each cycle as short as possible. The down side > is that it requires the mobile appl understand proprietary data > format/interface. > Having say the above, we are planning to use service record next year for > certain business cases that common interface is more important than > performance. > > On Mon, Nov 16, 2009 at 2:02 PM, Nick Pelly <npe...@google.com> wrote: >> >> There is no explicit public SDP API. Android will automatically do SDP >> for you when creating RFCOMM connections with BluetoothSocket and >> BluetoothServerSocket. >> >> We haven't ruled out exposing some SDP at a later point, although its >> not a high priority right now. Maybe you could outline what your use >> case is and what kind of SDP API's you might like, to help our future >> planning. >> >> Nick >> >> On Mon, Nov 16, 2009 at 12:36 PM, Sean Liao <wirelessw...@gmail.com> >> wrote: >> > I don't see any trivial API to do service discovery in android.bluetooth >> > package. Is it support in current 2.0 release? >> > If yes, I appreciate any pointer. >> > If not, is it something already ruled out on Android platform, or coming >> > soon? >> > Thanks in advance. >> > Sean >> > >> > -- >> > You received this message because you are subscribed to the Google >> > Groups "Android Developers" group. >> > To post to this group, send email to android-developers@googlegroups.com >> > To unsubscribe from this group, send email to >> > android-developers+unsubscr...@googlegroups.com >> > For more options, visit this group at >> > http://groups.google.com/group/android-developers?hl=en >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to android-developers@googlegroups.com >> To unsubscribe from this group, send email to >> android-developers+unsubscr...@googlegroups.com >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
