AddFooterView..docx

在listview的下部添加一个空间，由于listview本身带有scrollerView的拖动效果，所以想在listview的最下部添加一个控件不能直接在其下部直接插入一个控件。运行效果图：继续往下拖动运行两秒之后效果图ProgressBar进度条自动消失Java代码：public class LoadingListViewActivity extends Activity {private ListView mLvCotnact;private ArrayListWeiBoNews lvContacts;LvCotnactAdatper mGlAdapter;ProgressBar loading_pro_bar;// 启动线程private Handler handler = new Handler() {@Overridepublic void handleMessage(Message msg) {switch (msg.what) {case 0:loading_pro_bar.setVisibility(View.VISIBLE);break;case 1:loading_pro_bar.setVisibility(View.GONE);break;}}};@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);mLvCotnact = (ListView) findViewById(R.id.list_drag_lv_contact);populateDataToContacts();addLoadingIamgeTolistView();populateDataToListView();}// 生成ArrayList lvContactsprivate void populateDataToContacts() {lvContacts = new ArrayListWeiBoNews();for (int i = 1; i 10; i++) {WeiBoNews c = new WeiBoNews(i + , i + + 0000000);lvContacts.add(c);}}// 设置适配器private void populateDataToListView() {mGlAdapter = new LvCotnactAdatper();mLvCotnact.setAdapter(mGlAdapter);}/** * 正在加载的progressbar的设置 */private void addLoadingIamgeTolistView() {LayoutInflater inflater = LoadingListViewActivity.this.getLayoutInflater();// 获取进度条所在的配置文件LinearLayout layout_pro_bar = (LinearLayout) inflater.inflate(R.layout.loading_pro_bar, null);// 获取进度条idloading_pro_bar = (ProgressBar) layout_pro_bar.findViewById(R.id.loading_pro_bar);// 设置进度条的图片显示loading_pro_bar.setIndeterminateDrawable(getResources().getDrawable(R.gress));// 设置进度条不可见loading_pro_bar.setVisibility(View.GONE);// 设置进度条在listView后面显示mLvCotnact.addFooterView(layout_pro_bar, null, false);}// 为listView设置适配器class LvCotnactAdatper extends BaseAdapter {// list的中元素数量大小@Overridepublic int getCount() {return lvContacts.size();}// 元素的position@Overridepublic Object getItem(int position) {return lvContacts.get(position);}// 元素的ID@Overridepublic long getItemId(int position) {return Integer.parseInt(l