上拉刷新，下拉加载

public void onLoad(){
xlv.stopRefresh();
xlv.stopLoadMore();
SimpleDateFormat formatter = new  SimpleDateFormat  ("HH:mm:ss");
Date curDate =  new Date(System.currentTimeMillis());
String   str = formatter.format(curDate);
xlv.setRefreshTime(str);
}

//XlistsView的下拉和上拉
@Override
public void onRefresh() {
list.clear();
xlv.setPullLoadEnable(true);
new MyAsnycTask().execute(geturl);
//adapter.notifyDataSetChanged();
onLoad();

}
@Override
public void onLoadMore() {

onLoad();

new MyAsnycTask().execute(geturl);
}