To add to the list, not just on Wifi, but even on your provider's network
you very well might be behind a NAT...

- Dan

On Fri, Oct 16, 2009 at 4:06 PM, RichardC <richard.crit...@googlemail.com>wrote:

>
> There are lots of issues with implementing push technology, here are
> just a few:
>
> You are looking at the application layer, you need to be concerned
> about the transport layer(s).
>
> How does your server know the address (IP or other) of the phone?  It
> gets assigned by DHCP and whenever the connection is broken/dropped
> for any reason it can be given a different IP address by the
> telecommunications provider.
>
> If you are connecting from the phone to the server to when the phone's
> IP address changes you may as well keep the channel open and pull the
> data down.
>
> With a WiFi connection the phone is probably on the inside of a NAT
> router so again making an incoming connection to the phone is not
> going to work.
>
>
> So many problems, you are probably best just sending an SMS message
> containing a url to your web server and getting the end-user to click
> on it.
>
> --
> RichardC
>
> On Oct 16, 3:43 pm, rubeN_vl <rvanluch...@hotmail.com> wrote:
> > Hi,
> >
> > What are the different ways to implement push technology into your
> > Android app?
> > The client Android app is supposed to receive content (XML Data)
> > pushed by the server.
> > I've looked around and found out it was possible to achieve it with
> > usage off the SOAP protocol.
> > But are there some better ways top implement push?
> > The main concern in this project is the phones battery life, all off
> > it has to happpen over WiFi, pushed content has to be viewable on the
> > device immediately.
> >
> > Thoughts and/or sample code is welcome!
> >
>

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