1、ListView自定义控件下拉刷新（一）

 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="#f5f5f5" >

     <zrc.widget.ZrcListView
         android:id="@+id/zListView"
         android:layout_width="match_parent"
         android:layout_height="match_parent" >
     </zrc.widget.ZrcListView>

     <RelativeLayout
         android:layout_width="match_parent"
         android:layout_height="50dp"
         android:layout_alignParentTop="true"
         android:background="#ccffffff" >

         <TextView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_centerInParent="true"
             android:text="常见国家"
             android:textSize="20sp" />

         <View
             android:layout_width="match_parent"
             android:layout_height="1px"
             android:layout_alignParentBottom="true"
             android:layout_centerHorizontal="true"
             android:background="#cccccc" />

     </RelativeLayout>

 </RelativeLayout>

   import java.util.ArrayList;
 import android.app.Activity;
 import android.os.Bundle;
 import android.os.Handler;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.BaseAdapter;
 import android.widget.TextView;
 import zrc.widget.SimpleFooter;
 import zrc.widget.SimpleHeader;
 import zrc.widget.ZrcListView;
 import zrc.widget.ZrcListView.OnStartListener;

 public class MainActivity extends Activity {
     private ZrcListView listView;
     private Handler handler;
     private ArrayList<String> msgs;
     private int pageId = -1;
     private MyAdapter adapter;

     private static final String[][] names = new String[][]{
         {"加拿大","瑞典","澳大利亚","瑞士","新西兰","挪威","丹麦","芬兰","奥地利","荷兰","德国","日本","比利时","意大利","英国"},
         {"德国","西班牙","爱尔兰","法国","葡萄牙","新加坡","希腊","巴西","美国","阿根廷","波兰","印度","秘鲁","阿联酋","泰国"},
         {"智利","波多黎各","南非","韩国","墨西哥","土耳其","埃及","委内瑞拉","玻利维亚","乌克兰"},
         {"以色列","海地","中国","沙特阿拉伯","俄罗斯","哥伦比亚","尼日利亚","巴基斯坦","伊朗","伊拉克"}
     };

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);

         listView = (ZrcListView) findViewById(R.id.zListView);
         handler = new Handler();

         // 设置默认偏移量，主要用于实现透明标题栏功能。（可选）
         float density = getResources().getDisplayMetrics().density;
         listView.setFirstTopOffset((int) (50 * density));

         // 设置下拉刷新的样式（可选，但如果没有Header则无法下拉刷新）
         SimpleHeader header = new SimpleHeader(this);
         header.setTextColor(0xff0066aa);
         header.setCircleColor(0xff33bbee);
         listView.setHeadable(header);

         // 设置加载更多的样式（可选）
         SimpleFooter footer = new SimpleFooter(this);
         footer.setCircleColor(0xff33bbee);
         listView.setFootable(footer);

         // 设置列表项出现动画（可选）
         listView.setItemAnimForTopIn(R.anim.topitem_in);
         listView.setItemAnimForBottomIn(R.anim.bottomitem_in);

         // 下拉刷新事件回调（可选）
         listView.setOnRefreshStartListener(new OnStartListener() {
             @Override
             public void onStart() {
                 refresh();
             }
         });

         // 加载更多事件回调（可选）
         listView.setOnLoadMoreStartListener(new OnStartListener() {
             @Override
             public void onStart() {
                 loadMore();
             }
         });

         adapter = new MyAdapter();
         listView.setAdapter(adapter);
         listView.refresh(); // 主动下拉刷新
     }

     private void refresh(){
         handler.postDelayed(new Runnable() {
             @Override
             public void run() {
                 // 随机数模拟成功失败。这里从有数据开始。
                 int rand = (int) (Math.random() * 2);
                 if(rand == 0 || pageId == -1){
                     pageId = 0;
                     msgs = new ArrayList<String>();
                     for(String name:names[0]){
                         msgs.add(name);
                     }
                     adapter.notifyDataSetChanged();
                     listView.setRefreshSuccess("加载成功"); // 通知加载成功
                     listView.startLoadMore(); // 开启LoadingMore功能
                 }else{
                     listView.setRefreshFail("加载失败");
                 }
             }
         }, 2 * 1000);
     }

     private void loadMore(){
         handler.postDelayed(new Runnable() {
             @Override
             public void run() {
                 pageId++;
                 if(pageId<names.length){
                     for(String name:names[pageId]){
                         msgs.add(name);
                     }
                     adapter.notifyDataSetChanged();
                     listView.setLoadMoreSuccess();
                 }else{
                     listView.stopLoadMore();
                 }
             }
         }, 2 * 1000);
     }

     private class MyAdapter extends BaseAdapter{
         @Override
         public int getCount() {
             return msgs==null ? 0 : msgs.size();
         }
         @Override
         public Object getItem(int position) {
             return msgs.get(position);
         }

         @Override
         public long getItemId(int position) {
             return position;
         }

         @Override
         public View getView(int position, View convertView, ViewGroup parent) {
             TextView textView;
             if(convertView==null) {
                 textView = (TextView) getLayoutInflater().inflate(android.R.layout.simple_list_item_1, null);
             }else{
                 textView = (TextView) convertView;
             }
             textView.setText(msgs.get(position));
             return textView;
         }
     }
 }

开源ListView自定义下载：http://download.csdn.net/detail/androidsj/7948481