How to add reference to the project in android?

I have one simple android project in that i want to refer another project classe

Is it possible or not possible means please tell me how

开发者_开发知识库Thanks in advance

---

You can convert one of your projects to library ans set up 2nd project to use it. As described here. Or (if your project consists of Java code only) you can generate a JAR distribution and add that to /libs folder of your 2nd project