Apps How to add third party jar or class file in android projecct

[vaibhav.dec]

Hi All

I want to know how to add third party jar/class files in android project. I know the way. but I am getting the bug like this..

The Jar of this class file blongs to container Android 2.2 which does not allow modifications to source attachment.....
I search alot for this but didnt get proper solution..

Have anybudy Idea about this bug...Plz reply..

Thanks In Advance
Vaibhav Singh