版本更新

来源：互联网发布：cpu评测软件编辑：程序博客网时间：2024/05/16 01:15

//首先添加权限

<uses-permission android:name="android.permission.INTERNET"/>

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

//之后封装Bean

public class UpdateBean {
   private String versionName;
   private String downloadUrl;
   private String updateLog;

   public String getVersionName() {
       return versionName;
   }

   public void setVersionName(String versionName) {
       this.versionName = versionName;
   }

   public String getDownloadUrl() {
       return downloadUrl;
   }

   public void setDownloadUrl(String downloadUrl) {
       this.downloadUrl = downloadUrl;
   }

   public String getUpdateLog() {
       return updateLog;
   }

   public void setUpdateLog(String updateLog) {
       this.updateLog = updateLog;
   }

   public UpdateBean(String versionName, String downloadUrl, String updateLog) {
       super();
       this.versionName = versionName;
       this.downloadUrl = downloadUrl;
       this.updateLog = updateLog;
   }

   public UpdateBean() {
       super();
       // TODO Auto-generated constructor stub
   }

   @Override
   public String toString() {
       return "UpdateBean [versionName=" + versionName + ", downloadUrl="
               + downloadUrl + ", updateLog=" + updateLog + "]";
   }

}

//编写Activity

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.util.Xml;

import com.gblw.util.UpdateVersionUtil;

public class UpdateActivity extends Activity {
   private static final int SUCESS = 0;
   Handler handler = new Handler() {
       public void handleMessage(android.os.Message msg) {
           if (msg.what == 0) {
               UpdateBean bean = (UpdateBean) msg.obj;
               // System.out.println(UpdateBean.getDownloadUrl()
               //版本更新
               UpdateVersionUtil updataManger = UpdateVersionUtil
                       .getUpdataManger(bean.getDownloadUrl(),
                               UpdateActivity.this, bean.getVersionName(),
                               bean.getUpdateLog());

               updataManger.checkUpdata();

           }
       };
   };
   private UpdateBean updateBean;
   private ArrayList<UpdateBean> updateBeanList;

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

   private void getData() {
       new Thread() {
           public void run() {
               try {
                   URL url = new URL(
                           "http://www.oschina.net/MobileAppVersion.xml");
                   HttpURLConnection openConnection = (HttpURLConnection) url
                           .openConnection();
                   openConnection.setConnectTimeout(5000);
                   openConnection.setReadTimeout(5000);
                   int responseCode = openConnection.getResponseCode();
                   if (responseCode == 200) {
                       InputStream inputStream = openConnection
                               .getInputStream();
                       getPull(inputStream);
                   }
               } catch (MalformedURLException e) {
                   // TODO Auto-generated catch block
                   e.printStackTrace();
               } catch (IOException e) {
                   // TODO Auto-generated catch block
                   e.printStackTrace();
               }
           };
       }.start();
   }

   protected void getPull(InputStream inputStream) {
       try {
           //解析XML
           XmlPullParser newPullParser = Xml.newPullParser();
           newPullParser.setInput(inputStream, "utf-8");

           int eventType = newPullParser.getEventType();
           System.out
                   .println("###################################################");

           while (eventType != XmlPullParser.END_DOCUMENT) {

               switch (eventType) {
               case XmlPullParser.START_DOCUMENT:
                   updateBeanList = new ArrayList<UpdateBean>();
                   break;
               case XmlPullParser.START_TAG:
                   String tagName = newPullParser.getName();

                   if ("android".equals(tagName)) {
                       updateBean = new UpdateBean();
                   } else if ("versionName".equals(tagName)) {
                       updateBean.setVersionName(newPullParser.nextText());
                   } else if ("downloadUrl".equals(tagName)) {
                       updateBean.setDownloadUrl(newPullParser.nextText());

                   } else if ("updateLog".equals(tagName)) {
                       updateBean.setUpdateLog(newPullParser.nextText());

                   }
                   break;
               case XmlPullParser.END_TAG:
                   String name = newPullParser.getName();
                   if (name.equals("android")) {
                       updateBeanList.add(updateBean);

                   }
                   break;
               default:
                   break;
               }
               eventType = newPullParser.next();
           }
       } catch (XmlPullParserException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       } catch (IOException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }

       handler.obtainMessage(SUCESS, updateBean).sendToTarget();
   }

}

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