java.lang.NoClassDefFoundError: org.jivesoftware.smack. ConnectionConfiguration

hi everyone

I download asmack-android-8-4.0.0.jar and inport my android application

then

ConnectionConfiguration config = new ConnectionConfiguration(“192.168.1.231”, PORT);

when a run the product

errMsg:

java.lang.NoClassDefFoundError: org.jivesoftware.smack.ConnectionConfiguration

I need your help thanks!!

the error has been resolved

I download the latest adt from google dever center

and run the product ,the error is missed .

i download the lateest adt from google dever center and run the product. but error is still existing! do you kown other way to solve the question?