private void showContent() { 
  listView = (ListView) findViewById(R.id.journals_list_one); 
  loadData(); 
  adapter = new MyListAdapter(this, data); 
 
  footerView = View.inflate(TestLayout.this, 
    R.layout.journal_listitem_loading_bar, null); 
  listView.addFooterView(footerView, null, true); 
 
  listView.setAdapter(adapter); 
  listView.setOnScrollListener(listener); 
 } 
private AbsListView.OnScrollListener listener = new AbsListView.OnScrollListener() { 
 
  @Override 
  public void onScrollStateChanged(AbsListView view, int scrollState) { 
   if (view.getLastVisiblePosition() == view.getCount() - 1) { 
    loadData(); 
    adapter.notifyDataSetChanged(); 
   } 
  } 
 
  @Override 
  public void onScroll(AbsListView view, int firstVisibleItem, 
    int visibleItemCount, int totalItemCount) { 
 
  } 
 }; 
 
 /** 
  * 构造List列表数据 
  */ 
 private void loadData() { 
  if (data.size() <= 40) { 
   for (int i = 0; i < 10; i++) { 
    Map<String, String> map = new HashMap<String, String>(); 
    map.put("title", getString(R.string.title)); 
    map.put("desc", getString(R.string.content)); 
    data.add(map); 
   } 
  } else { 
   listView.removeFooterView(footerView); 
  } 
 }