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分析了一下网上讲的滑动分页效果，我看用户体验不错，就模拟了一个如图

 

package com.my.activity;

import com.my.R; import com.my.R.string; import android.app.ListActivity; import android.os.Bundle; import android.os.Handler; import android.util.Log; import android.view.Gravity; import android.view.View; import android.view.ViewGroup; import android.widget.AbsListView; import android.widget.BaseAdapter; import android.widget.LinearLayout; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.AbsListView.OnScrollListener; /**  *****滑动分页****** 

 *实现原理: 通过手指的滑动,判断数据大小 然后动态改变数据,底部的加载是一个view   *   * @author owen  *@2010-8-17  *@上午09:29:07  */ public class FenYeListActivity extends ListActivity implements OnScrollListener {     private static final String TAG = "**********FenYeListActivity.java*********";     private ItemAdapter adapter;     private int lastItem = 0;     private int mProgressStatus = 0;     private Handler mHandler = new Handler();     private ProgressBar progressBar;     @Override     protected void onCreate(Bundle savedInstanceState) {         // TODO Auto-generated method stub         super.onCreate(savedInstanceState);         LinearLayout searchLayout = new LinearLayout(this);         //水平方向的线性布局          searchLayout.setOrientation(LinearLayout.HORIZONTAL);                  //添加进展条         progressBar = new ProgressBar(this);         progressBar.setPadding(0, 0, 15, 0);         searchLayout.addView(progressBar, new LinearLayout.LayoutParams(                 LinearLayout.LayoutParams.WRAP_CONTENT,                 LinearLayout.LayoutParams.WRAP_CONTENT));                  //添加文字，设置文字垂直居中         TextView textView = new TextView(this);         textView.setText(R.string.app_loading);         textView.setGravity(Gravity.CENTER_VERTICAL);         searchLayout.addView(textView, new LinearLayout.LayoutParams(                 LinearLayout.LayoutParams.FILL_PARENT,                 LinearLayout.LayoutParams.FILL_PARENT));                  //同时将进展条和加载文字显示在中间         searchLayout.setGravity(Gravity.CENTER);                  LinearLayout loadingLayout = new LinearLayout(this);         loadingLayout.addView(searchLayout, new LinearLayout.LayoutParams(                 LinearLayout.LayoutParams.WRAP_CONTENT,                 LinearLayout.LayoutParams.WRAP_CONTENT));                  loadingLayout.setGravity(Gravity.CENTER);         //加载到listActivity的底部         getListView().addFooterView(loadingLayout);         registerForContextMenu(getListView());                  adapter = new ItemAdapter();         setListAdapter(adapter);         getListView().setOnScrollListener(this);     }     /**      * firstVisbleItem 第一个可见的item      * visibleItemCount 可见的Item个数      * totalItemCount 总的个数      * lastItem 可见状态中，最后一个item      */     @Override     public void onScroll(AbsListView view, int firstVisibleItem,             int visibleItemCount, int totalItemCount) {         // TODO Auto-generated method stub                  Log.i(TAG, "firstVisibleItem="+firstVisibleItem);         Log.i(TAG, "visibleItemCount="+visibleItemCount);         Log.i(TAG, "totalItemCount="+totalItemCount);                  lastItem = firstVisibleItem + visibleItemCount - 1 ;         Log.i(TAG, "lastItem:" + lastItem);     }     /**      * 如果视图正在滚动，此方法将被调用之前，滚动下一帧呈现。特别是，它会被调用之前调用getView      */     @Override     public void onScrollStateChanged(AbsListView view, int scrollState) {         // TODO Auto-generated method stub          if(lastItem == adapter.count && scrollState == OnScrollListener.SCROLL_STATE_IDLE){               adapter.count += 10;               adapter.notifyDataSetChanged();          }     }     private class ItemAdapter extends BaseAdapter {         int count = 10;         @Override         public int getCount() {             // TODO Auto-generated method stub             return count;         }         @Override         public Object getItem(int position) {             // TODO Auto-generated method stub             return position;         }         @Override         public long getItemId(int position) {             // TODO Auto-generated method stub             return position;         }         @Override         public View getView(int position, View convertView, ViewGroup parent) {             // TODO Auto-generated method stub             TextView itemView = new TextView(FenYeListActivity.this);             itemView.setText("item " + position);             itemView.setHeight(90);             return itemView;         }     } }

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