How to make .jar library from sources

Question

I have Tapjoy sources sources, which have such sructure: Tapjoy/src/com/tapjoy/*.class

It must be compiled with Android API Level 9 and higher. My project i

Answer 1

In Eclipse IDE, it's very easy to create a JAR file.

Just right click on your package > Export > Java > JAR File (and follow the wizard!)