public class MainActivity extends Activity implementsIXListViewListener{privateXListView mListView;private ArrayAdaptermAdapter;private ArrayList items = new ArrayList();privateHandler mHandler;private int start = 0;//数据起始位置

private static int refreshCnt = 0;//第几次刷新

private Date date = newDate();private SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日HH:mm:ss");//设置更新时间的格式

@Overrideprotected voidonCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

geneItems();

mListView=(XListView) findViewById(R.id.xListView);

mListView.setPullLoadEnable(true);//设置下拉刷新//mListView.setPullLoadEnable(false);//设置不能进行加载更多操作//mListView.setPullRefreshEnable(false);//设置不能进行刷新操作

mAdapter= new ArrayAdapter(this, R.layout.xlist_item, items);

mListView.setAdapter(mAdapter);

mListView.setRefreshTime(format.format(date));//设置更新时间

mListView.setXListViewListener(this);

mHandler= newHandler();

}private voidgeneItems() {for (int i = 0; i != 20; ++i) {

items.add("refresh cnt " + (++start));

}

}private voidonLoad() {

mListView.stopRefresh();

mListView.stopLoadMore();

date= newDate();

mListView.setRefreshTime(format.format(date));//设置更新时间

}//下滑刷新

@Overridepublic voidonRefresh() {

mHandler.postDelayed(newRunnable() {

@Overridepublic voidrun() {

start= ++refreshCnt;

items.clear();

MainActivity.this.geneItems();

mAdapter.notifyDataSetChanged();

MainActivity.this.onLoad();

}

},2000);

}//上滑加载

@Overridepublic voidonLoadMore() {

mHandler.postDelayed(newRunnable() {

@Overridepublic voidrun() {

MainActivity.this.geneItems();

mAdapter.notifyDataSetChanged();

MainActivity.this.onLoad();

}

},2000);

}

}