import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import com.example.updateappdemo.R; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.app.Service; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.os.Handler; import android.os.IBinder; import android.os.Message; import android.widget.RemoteViews; import android.widget.Toast; /*** * 升级服务 * * @author hexiaoming * */ public class UpdateService extends Service { public static final String Install_Apk = "Install_Apk"; /********download progress step*********/ private static final int down_step_custom = 3; private static final int TIMEOUT = 10 * 1000;// 超时 private static String down_url; private static final int DOWN_OK = 1; private static final int DOWN_ERROR = 0; private String app_name; private NotificationManager notificationManager; private Notification notification; private Intent updateIntent; private PendingIntent pendingIntent; private RemoteViews contentView; @Override public IBinder onBind(Intent arg0) { return null; } /** * 方法描述：onStartCommand方法 * @param Intent intent, int flags, int startId * @return int * @see UpdateService */ @Override public int onStartCommand(Intent intent, int flags, int startId) { app_name = intent.getStringExtra("Key_App_Name"); down_url = intent.getStringExtra("Key_Down_Url"); // create file,应该在这个地方加一个返回值的判断SD卡是否准备好，文件是否创建成功，等等！ FileUtil.createFile(app_name); if(FileUtil.isCreateFileSucess == true){ createNotification(); createThread(); }else{ Toast.makeText(this, R.string.insert_card, Toast.LENGTH_SHORT).show(); /***************stop service************/ stopSelf(); } return super.onStartCommand(intent, flags, startId); } /********* update UI******/ private final Handler handler = new Handler() { @Override public void handleMessage(Message msg) { switch (msg.what) { case DOWN_OK: /*********下载完成，点击安装***********/ Uri uri = Uri.fromFile(FileUtil.updateFile); Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(uri,"application/vnd.android.package-archive"); pendingIntent = PendingIntent.getActivity(UpdateService.this, 0, intent, 0); notification.flags = Notification.FLAG_AUTO_CANCEL; notification.setLatestEventInfo(UpdateService.this,app_name, getString(R.string.down_sucess), pendingIntent); //notification.setLatestEventInfo(UpdateService.this,app_name, app_name getString(R.string.down_sucess), null); notificationManager.notify(R.layout.notification_item, notification); /*****安装APK******/ //installApk(); //stopService(updateIntent); /***stop service*****/ stopSelf(); break; case DOWN_ERROR: notification.flags = Notification.FLAG_AUTO_CANCEL; //notification.setLatestEventInfo(UpdateService.this,app_name, getString(R.string.down_fail), pendingIntent); notification.setLatestEventInfo(UpdateService.this,app_name, getString(R.string.down_fail), null); /***stop service*****/ //onDestroy(); stopSelf(); break; default: //stopService(updateIntent); /******Stop service******/ //stopService(intentname) //stopSelf(); break; } } }; private void installApk() { // TODO Auto-generated method stub /*********下载完成，点击安装***********/ Uri uri = Uri.fromFile(FileUtil.updateFile); Intent intent = new Intent(Intent.ACTION_VIEW); /**********加这个属性是因为使用Context的startActivity方法的话，就需要开启一个新的task**********/ intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); intent.setDataAndType(uri,"application/vnd.android.package-archive"); UpdateService.this.startActivity(intent); } /** * 方法描述：createThread方法, 开线程下载 * @param * @return * @see UpdateService */ public void createThread() { new DownLoadThread().start(); } private class DownLoadThread extends Thread{ @Override public void run() { // TODO Auto-generated method stub Message message = new Message(); try { long downloadSize = downloadUpdateFile(down_url,FileUtil.updateFile.toString()); if (downloadSize > 0) { // down success message.what = DOWN_OK; handler.sendMessage(message); } } catch (Exception e) { e.printStackTrace(); message.what = DOWN_ERROR; handler.sendMessage(message); } } } /** * 方法描述：createNotification方法 * @param * @return * @see UpdateService */ public void createNotification() { //notification = new Notification(R.drawable.dot_enable,app_name getString(R.string.is_downing) ,System.currentTimeMillis()); notification = new Notification( //R.drawable.video_player,//应用的图标 R.drawable.ic_launcher,//应用的图标 app_name getString(R.string.is_downing), System.currentTimeMillis()); notification.flags = Notification.FLAG_ONGOING_EVENT; //notification.flags = Notification.FLAG_AUTO_CANCEL; /*** 自定义 Notification 的显示****/ contentView = new RemoteViews(getPackageName(),R.layout.notification_item); contentView.setTextViewText(R.id.notificationTitle, app_name getString(R.string.is_downing)); contentView.setTextViewText(R.id.notificationPercent, "0%"); contentView.setProgressBar(R.id.notificationProgress, 100, 0, false); notification.contentView = contentView; // updateIntent = new Intent(this, AboutActivity.class); // updateIntent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP); // //updateIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); // pendingIntent = PendingIntent.getActivity(this, 0, updateIntent, 0); // notification.contentIntent = pendingIntent; notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); notificationManager.notify(R.layout.notification_item, notification); } /*** * down file * * @return * @throws MalformedURLException */ public long downloadUpdateFile(String down_url, String file)throws Exception { int down_step = down_step_custom;// 提示step int totalSize;// 文件总大小 int downloadCount = 0;// 已经下载好的大小 int updateCount = 0;// 已经上传的文件大小 InputStream inputStream; OutputStream outputStream; URL url = new URL(down_url); HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection(); httpURLConnection.setConnectTimeout(TIMEOUT); httpURLConnection.setReadTimeout(TIMEOUT); // 获取下载文件的size totalSize = httpURLConnection.getContentLength(); if (httpURLConnection.getResponseCode() == 404) { throw new Exception("fail!"); //这个地方应该加一个下载失败的处理，但是，因为我们在外面加了一个try---catch，已经处理了Exception, //所以不用处理 } inputStream = httpURLConnection.getInputStream(); outputStream = new FileOutputStream(file, false);// 文件存在则覆盖掉 byte buffer[] = new byte[1024]; int readsize = 0; while ((readsize = inputStream.read(buffer)) != -1) { // /*********如果下载过程中出现错误，就弹出错误提示，并且把notificationManager取消*********/ // if (httpURLConnection.getResponseCode() == 404) { // notificationManager.cancel(R.layout.notification_item); // throw new Exception("fail!"); // //这个地方应该加一个下载失败的处理，但是，因为我们在外面加了一个try---catch，已经处理了Exception, // //所以不用处理 // } outputStream.write(buffer, 0, readsize); downloadCount = readsize;// 时时获取下载到的大小 /*** 每次增张3%**/ if (updateCount == 0 || (downloadCount * 100 / totalSize - down_step) >= updateCount) { updateCount = down_step; // 改变通知栏 contentView.setTextViewText(R.id.notificationPercent,updateCount "%"); contentView.setProgressBar(R.id.notificationProgress, 100,updateCount, false); notification.contentView = contentView; notificationManager.notify(R.layout.notification_item, notification); } } if (httpURLConnection != null) { httpURLConnection.disconnect(); } inputStream.close(); outputStream.close(); return downloadCount; } }
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