super.onCreate(savedInstanceState);
DatePicker picker = new DatePicker(this);
picker.init(2012, 3, 3, true, new DatePicker.OnDateChangedListener() {
@Override
public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
}
});
setContentView(picker);
getWindow().setBackgroundDrawable(new ColorDrawable(0xffffffff));