<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    tools:context=".MainActivity" >

    <ListView

        android:id="@+id/menuList"

        android:layout_width="fill_parent"

        android:layout_height="fill_parent"

        android:layout_weight="" >

    </ListView>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/showView"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:padding="10dp"

        style="@style/normalText"

        android:text="title"

        />

    <TextView

        android:id="@+id/content"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:padding="10dp"

        android:text=""

        />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="horizontal"

     >

    <LinearLayout

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:gravity="center"

        android:background="@drawable/list_bg"

         >

    <ProgressBar

        android:id="@+id/progressBar1"

        android:layout_width="25dp"

        android:layout_height="25dp" />

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="正在加载数据..." />

    </LinearLayout>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>

<shape xmlns:android="http://schemas.android.com/apk/res/android">

      <gradient

           android:startColor="#ccc"

           android:endColor="#ccc"

           android:angle=""

      />

</shape>  

package com.tp.soft.app;

import java.util.ArrayList;

import java.util.List;

import android.app.Activity;

import android.os.Bundle;

import android.os.Handler;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.widget.AbsListView;

import android.widget.AbsListView.OnScrollListener;

import android.widget.BaseAdapter;

import android.widget.ListView;

import android.widget.ProgressBar;

import android.widget.TextView;

public class MainActivity extends Activity{

    private ListView mListView;

    private View mLoadMoreView;

    private ProgressBar mLoadBtn;

    private PageAdapter adapter;

    private Handler handler = new Handler();

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        mLoadMoreView = getLayoutInflater().inflate(R.layout.loadmore, null);

        mLoadBtn = (ProgressBar) mLoadMoreView.findViewById(R.id.progressBar1);

        //mLoadBtn.setOnClickListener(this);

        mListView = (ListView) findViewById(R.id.menuList);

        //下拉滚动触发事件

        mListView.setOnScrollListener(new OnScrollListener() {

            @Override

            public void onScrollStateChanged(AbsListView view, int scrollState) {

                //不滚动

                if(scrollState == OnScrollListener.SCROLL_STATE_IDLE){

                    //滚动最底部

                    if(view.getLastVisiblePosition() == view.getCount() -){

                        //mLoadBtn.setText("正在加载中...");

                        MyRunnable r = new MyRunnable();

                        handler.postDelayed(r, );

                    }

                }

            }

            @Override

            public void onScroll(AbsListView view, int firstVisibleItem,

                    int visibleItemCount, int totalItemCount) {

            }

        });

        mListView.addFooterView(mLoadMoreView);

        List<String> itemList = new ArrayList<String>();

        for (int i = ; i < ; i++) {

            itemList.add("title"+i);

        }

        adapter = new PageAdapter(itemList);

        mListView.setAdapter(adapter);

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        getMenuInflater().inflate(R.menu.main, menu);

        return true;

    }

    /*@Override

    public void onClick(View v) {

        mLoadBtn.setText("正在加载中...");

        MyRunnable r = new MyRunnable();

        handler.postDelayed(r, 2000);

    }*/

    class MyRunnable implements Runnable{

        @Override

        public void run() {

            Log.e("提示", "");

            loadMoreDate();

            //更新UI

            adapter.notifyDataSetChanged();

            //mLoadBtn.setText("查看更多...");

        }

    }

    class PageAdapter extends BaseAdapter {

        List<String> itemList;

        public PageAdapter(List<String> itemList){

            this.itemList = itemList;

        }

        @Override

        public View getView(int position, View convertView, ViewGroup parent) {

            if(convertView == null){

                convertView = LayoutInflater.from(getApplicationContext()).inflate(R.layout.menu, null);

            }

            TextView titleView = (TextView) convertView.findViewById(R.id.showView);

            titleView.setText(itemList.get(position));

            return convertView;

        }

        @Override

        public long getItemId(int position) {

            return position;

        }

        @Override

        public Object getItem(int position) {

            return itemList.get(position);

        }

        @Override

        public int getCount() {

            return itemList.size();

        }

        public void addItem(String str){

            itemList.add(str);

        }

    }

    private void loadMoreDate() {

        Log.e("总数", ""+adapter.getCount());

        int count = adapter.getCount();

        for(int i = count+; i < count+; i++){

            adapter.addItem("title"+i);

        }

    }

}