XlistView的使用方法

来源：互联网发布：学javascript还是java 编辑：程序博客网时间：2024/04/20 09:12

import java.io.InputStream;
import java.util.ArrayList;

import me.maxwin.view.XListView;
import me.maxwin.view.XListView.IXListViewListener;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;

import com.bawei.utils.StreamUtils;
import com.bwei.adapter.MyAdapter;
import com.bwei.bean.WeiChatInfo;
import com.bwei.bean.WeiChatInfo.Item;
import com.google.gson.Gson;

public class MainActivity extends Activity implements IXListViewListener{

   private XListView mListView;
   private String path="http://v.juhe.cn/weixin/query";
   private String key="41caaad5ecfb8aa1dcd187aeb163e6cf";
   private int pno=1;
   private BaseAdapter adapter;
   private ArrayList<Item> lists;

   Handler handler=new Handler(){

       public void handleMessage(android.os.Message msg) {
           if (msg.what==0) {
               WeiChatInfo weiChatInfo = (WeiChatInfo) msg.obj;

               lists = weiChatInfo.result.list;

               //给ListView设置适配器
               mListView.setAdapter(adapter = new MyAdapter(MainActivity.this, weiChatInfo));
           }
       }

   };

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

       //找控件
       mListView = (XListView) findViewById(R.id.xListView);
       mListView.setPullLoadEnable(true);

       //得到数据
       getData(pno);

       mListView.setXListViewListener(this);

       //设置条目点击事件
       mListView.setOnItemClickListener(new OnItemClickListener() {

           @Override
           public void onItemClick(AdapterView<?> arg0, View arg1, int position,
                   long arg3) {
               Intent intent = new Intent(MainActivity.this,WebActivity.class);
               intent.putExtra("lists", lists.get(position-1).url);
               startActivity(intent);
           }
       });
   }
   /*
   * 定义获取数据的方法
   */
   private void getData(final int pno) {
       new Thread() {
           public void run() {
               try {
                   HttpClient client = new DefaultHttpClient();
                   HttpPost post = new HttpPost(path);
                   ArrayList<BasicNameValuePair> list = new ArrayList<BasicNameValuePair>();
                   list.add(new BasicNameValuePair("key", key));
                   list.add(new BasicNameValuePair("pno", pno+""));
                   HttpEntity entity = new UrlEncodedFormEntity(list,"utf-8");
                   post.setEntity(entity);
                   HttpResponse httpResponse = client.execute(post);
                   int statusCode = httpResponse.getStatusLine().getStatusCode();
                   if (statusCode==200) {
                       InputStream inputStream = httpResponse.getEntity().getContent();
                       String json = StreamUtils.getString(inputStream);
                       Gson gson = new Gson();
                       WeiChatInfo weiChatInfo = gson.fromJson(json, WeiChatInfo.class);
                       handler.obtainMessage(0, weiChatInfo).sendToTarget();
                   }
               } catch (Exception e) {
                   e.printStackTrace();
               }
           };
       }.start();
   }
   /**
   * 刷新
   */
   @Override
   public void onRefresh() {
       handler.postDelayed(new Runnable() {

           @Override
           public void run() {
               getData(pno);
               onLoad();
           }
       }, 3000);
   }
   /**
   * 加载
   */
   @Override
   public void onLoadMore() {
       handler.postDelayed(new Runnable() {
           @Override
           public void run() {
               pno++;
               getData(pno);
               onLoad();
           }
       }, 2000);
   }
   private void onLoad() {
       mListView.stopRefresh();
       mListView.stopLoadMore();
       mListView.setRefreshTime("刚刚");
   }

}

import android.os.Bundle;
import android.view.View;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.webkit.WebSettings.ZoomDensity;
import android.app.Activity;
import android.content.Intent;

public class WebActivity extends Activity {

   private WebView webView;
   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_web);

       Intent intent = getIntent();
       String url = intent.getStringExtra("lists");

       webView = (WebView) findViewById(R.id.webView);

       webView.loadUrl(url);

       webView.setWebViewClient(new WebViewClient());
        //对WebView进行初始化设置
        initSetting();
    }
   /**
   * 初始化设置
   */
   private void initSetting() {
       WebSettings settings = webView.getSettings();
       settings.setJavaScriptCanOpenWindowsAutomatically(true);
       settings.setJavaScriptEnabled(true);
       settings.setCacheMode(WebSettings.LOAD_DEFAULT);
       settings.setBuiltInZoomControls(true);
       settings.setDefaultZoom(ZoomDensity.FAR);
   }
}

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