Adding Jar Library To Android Project

Possible Duplicate: how to add jar file to android application? I am new to Android development. I have ksoap2.jar file. I want to add it to my existing android project. I using

Solution 1:

In which folder I should put this jar file

Put it in libs/.

and how to use it?

According to the kSOAP2 site:

The kSOAP JavaDoc and some examples are contained in the source distribution.