I would also like to know if an app has the ability to choose between Wi-fi or cellular mobile network for its own networking needs. It seems if I have my wi-fi home router running with a disconnected modem (obviously no internet connection can be made), the phone still does not attempt to connect to cellular network when available.
On Sep 26, 12:58 pm, Ludwig <[EMAIL PROTECTED]> wrote: > While this is not a technical answer to any of this, the blog published > athttp://blog.wired.com/gadgets/2008/09/google-files-pa.html > > talks about a patent Google filed: > > From the blog: > Google's patent filing describes "devices, systems and methods" that would > automatically poll nearby wireless services to find the best price for a > voice or a data connection for a "portable communications device." > > Ludwig > > 2008/9/26 Dave <[EMAIL PROTECTED]> > > > > > Graeme, > > > I have the same question. I see that in ConectivityService there's a > > setNetworkPreference(TYPE_WIFE or TYPE_MOBILE), which invokes > > enforcePreference, which checks if the current preference is the new, > > and if not, and it is active, it tears it down. This leads me to > > believe that there is only one interface visible to the IP stack at at > > time. I can see how this might make routing simpler, but what > > confuses me is this: > > > I am not seeing anywhere in the code where, for instance, and MMS > > message would cause the WIFI interface, it it is active, to be torn > > down and the MOBILE activated. It is possible that this is done > > through the transaction interface, and I'm starting to lean in that > > direction, but does anybody know if this is true? Here's the > > question (assuming MMS must be routed over the Mobile network): If > > WIFI is the current preferred network, and active, will an MMS > > transaction cause the WIFI interface to be torn down and the MOBILE to > > be activated? > > > Thanks, > > > Dave > > > On Sep 25, 8:24 am, Graeme <[EMAIL PROTECTED]> wrote: > > > Hi > > > > The android.net.ConnectivityManager has a member function > > > requestRouteToHost(int networkType, int hostAddress) to ensure that a > > > route is maintained to deliver traffic to a specified host via a > > > specifiednetworkinterface(TYPE_WIFI or TYPE_MOBILE). > > > > Now does this mean that Android supports multi-homing, that is being > > > connected to a cellular datanetworkand a WiFi-basednetworkat he > > > same time ? > > > > Thanks > > > Graeme --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
