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Making Systems for Web Services?

 
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Is there any book which shows you how to make a simple system which allows you to let your website interact with a mobile phone or PDA?? Can you recommend anything with proper examples?
Is it possible to do this stuff at home with a mobile and just a windows pc?
 
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There are some web services client libraries for J2ME, but somehow I feel that you're not talking about web services as in "SOAP messages", are you?
 
Marcus Raphael
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Function - I want to be able to update a database from invoking a method on my mobile phone for example!
 
Lasse Koskela
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Alright then. First of all, you need to use HTTP as the underlying protocol because that's the only protocol required from MIDP devices. On the server-side, you can use the regular J2EE stuff (a servlet, for example).
There are a number of MIDP/HTTP tutorials around the Internet. I'd suggest googling for them and starting there. Also, practically all J2ME books cover HTTP networking with MIDP at least to some degree.
 
Marcus Raphael
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Thanks for pointing me in the right direction!
 
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I would have guessed J2ME in the cell phone and WAP for the protocol, but then again, that would just be a hunch.
 
Lasse Koskela
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Ah. True. WAP is always an option if the network supports it.
However, soon it's XHTML-MP (WAP 2.0) that's running the show...
 
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Marcus,
This topic is more appropriate to the J2ME forum. I will move it there for you.
 
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