How Setting the API Key & initializing the library skobbler Android? -

i'm new in group , i'm trying , develop app android using skobbler have problem setting api key & initializing library .... 'm following http://developer.skobbler.com/getting-started/android#sec001.

public class mainactivity extends actionbaractivity implements {       @override      protected void oncreate(bundle savedinstancestate) {                 super.oncreate(savedinstancestate);          setcontentview(r.layout.activity_main);           string mapresdirpath = "../../../../assets/";            final skpreparemaptexturethread prepthread = new skpreparemaptexturethread(this, mapresdirpath, "skmaps.zip", this);           prepthread.start();     } } 

thank fred,

just demo project , splash activity code initialization , preparing map resourses before start activity map: http://developer.skobbler.com/support#download