android – 将下载进度条更新为AsynTask的通知区域

概述我已经将Async Task实现为Service.这是初始化进度通知,我从onPreExecute调用. mProgressNotificationManager = (NotificationManager) this .getSystemService(Context.NOTIFICATION_SERVICE); CharSequence tickerText 我已经将Async Task实现为Service.这是初始化进度通知,我从onPreExecute调用.

mProgressnotificationmanager = (notificationmanager) this            .getSystemService(Context.NOTIFICATION_SERVICE);    CharSequence tickerText = "Download";    mProgressNotification = new Notification(R.drawable.ic_launcher,tickerText,System.currentTimeMillis());    context = this.getApplicationContext();    Intent mNotificationIntent = new Intent(context,ActivityClass.class);    PendingIntent mPendingIntent = PendingIntent.getActivity(context,mNotificationIntent,0);    //mProgressNotification.flags |= Notification.FLAG_auto_CANCEL;    mProgressNotification.flags = mProgressNotification.flags | Notification.FLAG_ONGOING_EVENT;    CharSequence Title = "Downloading initializing...";    RemoteVIEws contentVIEw = new RemoteVIEws(getPackagename(),R.layout.noti);    contentVIEw.setimageVIEwResource(R.ID.status_icon,R.drawable.ic_launcher);    contentVIEw.setTextVIEwText(R.ID.status_text,Title);    contentVIEw.setProgressbar(R.ID.status_progress,100,false);    mProgressNotification.contentVIEw = contentVIEw;    mProgressNotification.contentIntent = mPendingIntent;    mProgressnotificationmanager.notify(STATUS_bar_NOTIFICATION,mProgressNotification);

之后在doInBackground中,我实现了我的下载程序,之后我正在更新下载进度,

@OverrIDe    protected voID onProgressUpdate(Integer... progress) {        super.onProgressUpdate(progress);        int mDownloadProgress = progress[0];        // Log.d(TAG,"AsyncTask : download In progress");                   CharSequence Title =  "filename" +":  "  + mDownloadProgress + "%";        mProgressNotification.contentVIEw.setTextVIEwText(R.ID.status_text,Title);        mProgressNotification.contentVIEw.setProgressbar(R.ID.status_progress,mDownloadProgress,false);        mProgressnotificationmanager.notify(STATUS_bar_NOTIFICATION,mProgressNotification);                }

它正常工作..正确更新,但问题是,通知栏被绞死.我无法向上通知栏.我想更新通知栏,例如从谷歌市场下载任何应用程序(播放).

谢谢…

解决方法 似乎正在发生的是您正在替换通知,这意味着要显示新通知.

您需要做的是更新通知而不是替换它.

看看这个:)

http://developer.android.com/guide/topics/ui/notifiers/notifications.html#Updating

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