Android spinner OnItemSelectedListener not working order -

Android spinner OnItemSelectedListener not working order -

@override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.main); . . . myspinner.setonitemselectedlistener(new adapterview.onitemselectedlistener() { @override public void onitemselected(adapterview<?> arg0, view arg1, int arg2, long arg3) { system.out.println("aaaa"); } @override public void onnothingselected(adapterview<?> arg0) { }}); . . . } private void function() { spinnermonths.setselection(3); system.out.println("bbbb"); }

when running code getting

bbbb aaaa

why this. why listener not called?

i want run code within listener first.

android android-spinner onitemselectedlistener