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I’m going to develope an application based on web services (axis2) and android (clients).
I’m now planning the logic architecture for my system and I supose that it should be like a SOA architecture. I have seen that a SOA architecture is based on layers.
So, this would be a “correct” logic architecture for my application? (with some changes of course)
Android code (activities) would be on Presentation Layer?
EDIT
April 2014
Now, 3 years later with some more experience… REST is the best 🙂
Warning, it may that this answer is not at all an answer to you question but anyway, here is my thoughts.
I’m definitely not a SOA specialist but since SOA can be implemented with REST, it should not have any consequences on a SOA architecture. Android is REST-ready (see that Google IO 2010 session on REST) and there is only little SOAP support on android (afaik, but I may be wrong).
At some point, you’ll have to evaluate the feasibility of the interop. between your Axis WS-* with any existing android SOAP support (the well-known ksoap2 project for example). The result could be not without impact on your architecture design.
The point here is: if you do use Rampart to use WS-Security, for example, on top of Axis2, it seems to me there are little chances that ksoap may interact at all (technically) with your service provider. On the one hand, if the service is simple and can be bound with ksoap2, great, go on. On the other hand, if you would use a not so simple security or authentication scheme, it could just be a nightmare to get the things done with the simple SOAP support on android. In the latest case and as the REST approach seems to be the preferred philosophy on android, you may be confronted to the decision to have a REST proxy dedicated to android between your Axis2 business WS and the android client-side application.
In the hope it may be of any help.