noclassdeffounderror - Android JExcel API NoClassDefFound error -


i using jexcel in android project, when ever try , run line of code:

workbooksettings wbsettings = new workbooksettings();

it crashes , error '

noclassdeffound: jxl.workbooksettings',

i understand error means confuses me jxl.jar added 'libs' folder, referenced libraries , i've added projects build path, have attached source .jar , checked class in .jar manually i'm @ bit of loose end here?


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