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POBest solution for synching lists of objects between mobile and web server
 

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    <p>I am looking for experience/opinions/learnings from the use of specific methods, file formats (e.g. syncML) and libraries (funambol, others?) for synchronizing lists between multiple mobile devices and a web server?</p> <p>We'd like to have the ability for a user to edit lists in multiple mobile devices and in the web, and have them synched periodically, handle gracefully conflicts etc.....without reinventing the wheel.</p> <p>syncML experience, libraries (with an Apache style license) for syncML or others and experiences would be much appreciated.</p> <p>We are developing on:<br> - Java SE (appengine and other platforms) for server - so Java Servlet 2.3<br> - J2ME (on Symbian and others)<br> - iOS<br> - Android </p> <p>and so want a solution with broad coverage and good libraries on those platforms if possible.</p> <p>Data<br> The items in the lists will be products. This maybe as simple as a text name entered by the user, or a structured product description with many fields. We have an XML format defined for this already will will evolve it. Our preference would be to sync a list of these XML fragments.</p> <p>Conflicts<br> We still have to define exactly how conflicts are resolved, or if the user can select the behavior - a bit like ActiveSync and other PC solutions. We don't plan to do anything new in this respect.</p> <p>Details<br> We expect for each mobile "copy" of the list to store the data in a local datastore, with a date of the last sync with the server and a list of changes sinc. We also expect each item in the list to have a local ID, and a global (server ID) used to help during the sync.</p> <p>Over-the-wire-format<br> We prefer to use an XML format for the data transmission during the sync, that has one or a number of lists, and the items inside each list as elements, with the IDs of each as attributes of the elements.</p>
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    1. USAndrew Mackenzie
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      1. USPedro Loureiro
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