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Is there any expert who can help to answer this question? I want to deploy the vaddin project on google app engine and I also want use touchkit in this project. How to deal with this situation? thanks
I think I got the answer. As indicated in the touchkit tutorial, If you need to rather extend some other servlet, possibly in another add-on, it should be trivial to reimplement the functionality of TouchKitServlet, which is just to manage the TouchKit settings object. So I find the source code of TouchKitServlet on github, and reimplement the functionality in the child class of GAEVaadinServlet . It should be doable.