ListView 实现像Android Market那样 分页加载 滚动加载(2)

 
   @Override
   public void onScroll(AbsListView view, int firstVisibleItem,
     int visibleItemCount, int totalItemCount) {
    // TODO Auto-generated method stub
    Log.i("test" , "Scroll>>>first: " + firstVisibleItem + ", visible: " + visibleItemCount + ", total: " + totalItemCount);
    lastItem = firstVisibleItem + visibleItemCount - 1;
    Log.i("test" , "Scroll>>>lastItem:" + lastItem);
    //显示50条ListItem，即0-49，因为onScroll是在“滑动”执行过之后才触发，所以用adapter.count<=41作条件
    int scrolllength=101;
    if (adapter.count<=scrolllength) {
     if (firstVisibleItem+visibleItemCount==totalItemCount) {
      adapter.count += 10;
      adapter.notifyDataSetChanged();
      listView.setSelection(lastItem);
      int currentPage=adapter.count/10;
      Toast.makeText(getApplicationContext(), "第"+currentPage+"页", Toast.LENGTH_LONG).show();
     }
    }
    else {
      listView.removeFooterView(loadingLayout);
    }
   }
   @Override
   public void onScrollStateChanged(AbsListView view, int scrollState) {
    // TODO Auto-generated method stub
   }
  });
 }
 class listViewAdapter extends BaseAdapter {
  int count = 10; /* starting amount */
  public int getCount() {
   return count;
  }
  public Object getItem(int pos) {
   return pos;
  }
  public long getItemId(int pos) {
   return pos;
  }
  public View getView(int pos, View v, ViewGroup p) {
   Log.i("test", "getView>>>pos:" + pos);
   TextView view;
   if (v == null) {
    view = new TextView(ListViewScroll.this);
   } else {
    view = (TextView) v;
   }
   view.setText("ListItem " + pos);
   view.setTextSize(20f);
   view.setGravity(Gravity.CENTER);
   view.setHeight(60);
   return view;
   
  }
 }
}

 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"