Android版本更新+附源代码

package com.android; import java.io.BufferedInputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import org.xmlpull.v1.XmlPullParser; import android.app.AlertDialog; import android.app.AlertDialog.Builder; import android.app.ProgressDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.content.res.AssetManager; import android.net.Uri; import android.os.Environment; import android.os.Handler; import android.os.Message; import android.util.Log; import android.util.Xml; public class UpdateVersion { public final String TAG = this.getClass().getName(); public final static int UPDATA_NONEED = 0; public final static int UPDATA_CLIENT = 1; public final static int GET_UNDATAINFO_ERROR = 2; public final static int SDCARD_NOMOUNTED = 3; public final static int DOWN_ERROR = 4; private Context mContext; private UpdataInfo info; private String localVername; private int localVerCode = -1; private CheckVersionTask cv; private Thread mThread; private DownCallBack mCallBack; public UpdateVersion(Context mContext,DownCallBack callBack) { super(); this.mContext = mContext; this.mCallBack = callBack; } public void start(){ try { localVername = getVersionName(mContext); localVerCode = getVerCode(mContext); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } cv = new CheckVersionTask(); // new Thread(cv).start(); mThread = new Thread(cv); mThread.start(); } private InputStream readAssets(){ AssetManager assetManager = mContext.getAssets(); String[] files = null; try { files = assetManager.list("ver"); } catch (IOException e) { Log.e("tag", e.getMessage()); } InputStream inputStream = null; try { inputStream = assetManager.open("version.xml"); } catch (IOException e) { Log.e("tag", e.getMessage()); } return inputStream; } /* * 从服务器获取xml解析并进行比对版本号 */ public class CheckVersionTask implements Runnable { public void run() { try { // 从资源文件获取服务器 地址 String path = mContext.getResources().getString(R.string.url_server); // 包装成url的对象 URL url = new URL(path); HttpURLConnection conn = (HttpURLConnection) url .openConnection(); conn.setConnectTimeout(5000); InputStream is = readAssets();//conn.getInputStream(); info = getUpdataInfo(is); if (Integer.parseInt(info.getVercode()) > localVerCode) { Log.i(TAG, "版本号不同 ,提示用户升级 "); Message msg = new Message(); msg.what = UPDATA_CLIENT; handler.sendMessage(msg); } else { /*(info.getVername().equals(localVername))*/ Log.i(TAG, "版本号相同无需升级"); Message msg = new Message(); msg.what = UPDATA_NONEED; handler.sendMessage(msg); // LoginMain(); } } catch (Exception e) { // 待处理 Message msg = new Message(); msg.what = GET_UNDATAINFO_ERROR; handler.sendMessage(msg); e.printStackTrace(); } } } Handler handler = new Handler() { @Override public void handleMessage(Message msg) { // TODO Auto-generated method stub super.handleMessage(msg); switch (msg.what) { case UPDATA_NONEED: showDialog(); mCallBack.onDownCallBack(UPDATA_NONEED, "版本号相同无需升级"); break; case UPDATA_CLIENT: // 对话框通知用户升级程序 // Toast.makeText(getApplicationContext(), "可以升级程序啦~", // 1).show(); showUpdataDialog(); break; case GET_UNDATAINFO_ERROR: // 服务器超时 mCallBack.onDownCallBack(GET_UNDATAINFO_ERROR, "获取服务器更新信息失败"); // LoginMain(); break; case SDCARD_NOMOUNTED: // sdcard不可用 mCallBack.onDownCallBack(SDCARD_NOMOUNTED, "SD卡不可用"); break; case DOWN_ERROR: // 下载apk失败 mCallBack.onDownCallBack(DOWN_ERROR, "下载新版本失败"); // LoginMain(); break; } } }; /* * * 弹出对话框通知用户更新程序 * * 弹出对话框的步骤： 1.创建alertDialog的builder. 2.要给builder设置属性, 对话框的内容,样式,按钮 * 3.通过builder 创建一个对话框 4.对话框show()出来 */ protected void showUpdataDialog() { AlertDialog.Builder builer = new Builder(mContext); builer.setTitle("版本升级"); builer.setMessage("当前版本:"+localVername + ",发现新版本:" + info.getVername() + ", 是否更新"); // 当点确定按钮时从服务器上下载 新的apk 然后安装 builer.setPositiveButton("更新", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { Log.i(TAG, "下载apk,更新"); downLoadApk(); } }); // 当点取消按钮时进行登录 builer.setNegativeButton("暂不更新", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub // LoginMain(); } }); AlertDialog dialog = builer.create(); dialog.show(); } /* * * 弹出对话框通知用户意识最新 * */ protected void showDialog() { AlertDialog.Builder builer = new Builder(mContext); builer.setTitle("温馨提示"); builer.setMessage("您的版本已经是最新的了！"); // 当点取消按钮时进行登录 builer.setNegativeButton("确定", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { // TODO Auto-generated method stub dialog.dismiss(); } }); AlertDialog dialog = builer.create(); dialog.show(); } /* * 从服务器中下载APK */ protected void downLoadApk() { final ProgressDialog pd; // 进度条对话框 pd = new ProgressDialog(mContext); pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); pd.setMessage("正在下载更新"); pd.setCanceledOnTouchOutside(false); if (!Environment.getExternalStorageState().equals( Environment.MEDIA_MOUNTED)) { Message msg = new Message(); msg.what = SDCARD_NOMOUNTED; handler.sendMessage(msg); } else { pd.show(); new Thread() { @Override public void run() { try { File file = getFileFromServer( info.getUrl(), pd); sleep(1000); installApk(file); pd.dismiss(); // 结束掉进度条对话框 } catch (Exception e) { Message msg = new Message(); msg.what = DOWN_ERROR; handler.sendMessage(msg); e.printStackTrace(); } } }.start(); } } // 安装apk protected void installApk(File file) { Intent intent = new Intent(); // 执行动作 intent.setAction(Intent.ACTION_VIEW); // 执行的数据类型 intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive"); mContext.startActivity(intent); } /** * 从服务器下载apk * @param path * @param pd * @return * @throws Exception */ public static File getFileFromServer(String path, ProgressDialog pd) throws Exception{ //如果相等的话表示当前的sdcard挂载在手机上并且是可用的 if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){ URL url = new URL(path); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setConnectTimeout(5000); //获取到文件的大小 pd.setMax(conn.getContentLength()); InputStream is = conn.getInputStream(); File file = new File(Environment.getExternalStorageDirectory(), "updata.apk"); FileOutputStream fos = new FileOutputStream(file); BufferedInputStream bis = new BufferedInputStream(is); byte[] buffer = new byte[1024]; int len ; i