Dexpathlist Error Didn't find class on path on Eclipse ADT

If you are facing this problem while running your android project on eclipse ADT, then below is the solution for you.

    1.Right click on your project and select Properties.
    2.Select Java Build Path from the menu on the left.
    3.Select the Order and Export tab.
    4.From the list make sure the libraries or external jars you added to your project are checked.
    5.Finally, clean your project & run.