Android 软件自动更新（网络XML解析、以及本地xml软件版本两种解析方式）

XML放入网络空间---version.xml .url地址应该为正常***/*****.apk
<update>
<version>5</version>
<name>yuanbao</name>

<url>http://cdn.market.hiapk.com/data/upload//2012/06_27/13/yuanbao.co.

cc_134532.apk
</url>
</update>
----------------主main
package gognzibai.co.cc;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity
{
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//按钮更新
Button updateBtn = (Button) findViewById

(R.id.btnUpdate);
updateBtn.setOnClickListener(new OnClickListener()
{
   @Override
   public void onClick(View v)
   {
    UpdateManager manager = new

UpdateManager(MainActivity.this);

    manager.checkUpdate();
   }
});

}
}

-----------------ParseXmlService.java
package gongzibai.co.cc;

import java.io.InputStream;
import java.util.HashMap;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

//解析xml
public class ParseXmlService {
public HashMap<String, String> parseXml(
InputStream inStream)
throws Exception {
HashMap<String, String> hashMap = new HashMap<String,

String>();

DocumentBuilderFactory factory = DocumentBuilderFactory
    .newInstance();

DocumentBuilder builder = factory
    .newDocumentBuilder();

Document document = builder
    .parse(inStream);

Element root = document
    .getDocumentElement();

NodeList childNodes = root
    .getChildNodes();
for (int j = 0; j < childNodes
    .getLength(); j++) {

   Node childNode = (Node) childNodes
     .item(j);
   if (childNode.getNodeType() ==

Node.ELEMENT_NODE) {
Element childElement = (Element)

childNode;

    if ("version"
      .equals(childElement

.getNodeName())) {
     hashMap.put(
       "version",
       childElement

.getFirstChild()

.getNodeValue());
    }

    else if (("name"
      .equals(childElement

.getNodeName()))) {
     hashMap.put(
       "name",
       childElement

.getFirstChild()

.getNodeValue());
    }

    else if (("url"
      .equals(childElement

.getNodeName()))) {
     hashMap.put(
       "url",
       childElement

.getFirstChild()

.getNodeValue());
}
}
}
return hashMap;
}
}

-------------更新管理.UpdateManager.java

package gongzibai.co.cc;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.DialogInterface.OnClickListener;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.Toast;

public class UpdateManager {

private static final int DOWNLOAD = 1;

private static final int DOWNLOAD_FINISH = 2;

HashMap<String, String> mHashMap;

private String mSavePath;

private int progress;

private boolean cancelUpdate = false;

private Context mContext;

private ProgressBar mProgress;
private Dialog mDownloadDialog;

private Handler mHandler = new Handler() {
public void handleMessage(
    Message msg) {
   switch (msg.what) {

   case DOWNLOAD:

    mProgress
      .setProgress(progress);
    break;
   case DOWNLOAD_FINISH:
    //安装APK
    installApk();
    break;
   default:
    break;
   }
};
};

public UpdateManager(Context context) {
this.mContext = context;
}

//检查更新
public void checkUpdate() {
if (isUpdate()) {

   showNoticeDialog();
} else {
   Toast.makeText(
     mContext,
     R.string.soft_update_no,
     Toast.LENGTH_LONG)
     .show();
}
}

private boolean isUpdate() {

int versionCode = getVersionCode(mContext);

//本地的XML更新
// InputStream inStream = ParseXmlService.class
//
// .getResourceAsStream("version.xml");
// InputStream inStream = ParseXmlService.class
// .getClassLoader()
// .getResourceAsStream(
// "version1.xml");

//解析网络xml进行更新软件
URL url = null;
try {

补充：移动开发 , Android ,

Android 软件自动更新 （网络XML解析、以及本地xml软件版本两种解析方式）

Android 软件自动更新（网络XML解析、以及本地xml软件版本两种解析方式）