GWT SyncProxy <http://code.google.com/p/gwt-syncproxy/> allows you to call GWT-RPC services from a Java app, but it apparently does not work on Android<http://code.google.com/p/gwt-syncproxy/issues/detail?id=3> .
As for RequestFactory, it has built-in support for running in the JVM, and it should work on Android: https://groups.google.com/d/msg/google-web-toolkit-contributors/-AJR5tX20XU/4TN-joicYd8J -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.