We have to consider multiple platforms(iOS, Android, Blackberry). On iOS, push notification is not an option for our application. If use GCM, we need another extra special design especially for android.
On Mon, Apr 15, 2013 at 11:23 PM, Robert Greenwalt <rgreenw...@google.com>wrote: > Could you use GCM <http://developer.android.com/google/gcm/index.html> instead > of rolling your own long-lived connection with independent keepalive? > It'll be better for the users battery and better for the carriers network > and you won't have to figure out issues like these. > > > On Sat, Apr 13, 2013 at 3:35 AM, Long <long...@gmail.com> wrote: > >> Hi Developers, >> I have an background service which connects my server with a TCP >> connection. >> My background service sends a ping packet to my server every 4minutes >> to keep the socket alive. >> The problem is that the device can not get the packet from the server >> after a short time(3 seconds from my test) after the ping is sent. >> This app works fine on other networks(AT&T, verizon). >> >> The strange thing is that if I force the device to connect to 3G(EVDO >> revision A), it works fine. >> >> It seems to me that, on Sprint 4G network, when an app sends a packet >> through a tcp socket, and then the socket is idle for >> several seconds, then the app will never be able to receive packets from >> this socket. >> >> I don't think it's related to the 4G signal, since this issue can be >> reproduced every time. >> >> Any suggestions? >> >> >> >> >> >> >> >> -- >> -- >> 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 unsubscribe from this group and stop receiving emails from it, send an >> email to android-developers+unsubscr...@googlegroups.com. >> >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > -- > -- > 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 a topic in the > Google Groups "Android Developers" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/android-developers/3FvPZp5n2K0/unsubscribe?hl=en > . > To unsubscribe from this group and all its topics, send an email to > android-developers+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- Things don' happen. Things are made to happen. -- -- 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 unsubscribe from this group and stop receiving emails from it, send an email to android-developers+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
