Android ListView下拉刷新

今天得需求是做listview+上下拉动在header和footer显示progressdialog，但不影响用户操作

直接上代码，我已经加上注释了，自己看。

 

 
package com.stay.main;

import java.net.HttpURLConnection;
import java.util.ArrayList;
import java.util.HashMap;

import org.json.JSONObject;

import android.app.Activity;
import android.app.ProgressDialog;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;外语屋
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.stay.wifi.R;

/**
 * @author Stay
 * 动态加载listview数据，上拉 刷新，下拉 更多
 */
public class ListViewActivity extends Activity implements OnScrollListener {
    private static final int LOAD = 0;
    private static final int ERROR = 0;        list_header_linear.setVisibility(View.GONE);
        nearby_lv.addHeaderView(nearby_lv_header);
        nearby_lv.addFooterView(nearby_lv_footer);
        // list_header_btn.setOnClickListener(header_click);
        adapter = new NearbyAdapter(ListViewActivity.this, nearby_data);
        nearby_lv.setAdapter(adapter);
        nearby_lv.setOnScrollListener(ListViewActivity.this);
    }
}