Android Error: 'Requested module not found(Location ti:/module.js)'

Hi, I am developing small android module. I already build small android module and its working fine. Now when create small hello word module. I build it without any error. And I tried to use this module into simple android native application. in tiapp.xml I added module

<module version="0.1">com.example.demomodule</module>

and in app.js

var demomodule = require('com.example.demomodule');

But its giving me error requested module not found... I create this module and native application with titanium sdk version 2.0.2.GA. I want to remove this module not found error. location of error [362,8] ti:/module.js... Need Help.... Thank you......