question: protected CCCallFunc ( Object t , String s , Class < ? > [ ] p ) { targetCallback = t ; selector = s ; partypes = p ; if ( partypes == null ) { try { Class < ? > cls = targetCallback . getClass ( ) ; invocation = cls . getMethod ( selector ) ; } catch ( NoSuchMethodException e ) { e . printStackTrace ( ) ; } } else { try { Class < ? > cls = targetCallback . getClass ( ) ; invocation = cls . getMethod ( selector , partypes ) ; } catch ( NoSuchMethodException e ) { e . printStackTrace ( ) ; } } }
target:  creates an action with a callback