Titanium Module--How we showcase a android java view from external .jar file in Titanium Module?

Hi Guys, i imported an external .jar file written in android java in my module project.i am able to get strings from .jar file by exposed kroll method.but how can we expose a native view using kroll method.Means we will wrap the native view using TiViewProxy and we will expose that view through Kroll method.i tried,getting error like cannot convert java object to JS object. Ti sdk:3.1.1GA