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
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!)
Or from command line
jar cvf tapjoy.jar Tapjoy.class
In Netbeans IDE, you can easy create own jar library,
Projects on Right click -> Clean and build
Thats it. You can use it now your "Project Location"/dist/MyApplication.jar
All you need to do create new project and import your jar file How to import Jar File ?
both are possible
you can also use ant or maven for this kind of functionality.
check for the jar tool for commandline approach!
check eclipse ant build for eclipse approach and check the ant jar task for ant approach