自定义Notification

private static void updateProgressNotification(Context cxt, int appsCount,
            int percent, String appName, boolean showTicker) {
        NotificationManager nm = (NotificationManager) cxt.getSystemService(
                Context.NOTIFICATION_SERVICE);
        if (DEBUG) LogHelper.d(TAG, "update notification: " + appsCount + ", appName: " + appName);
        if (appsCount == 0) {
            nm.cancel(Constants.STATUSBAR_APK_DOWNLOADER_PROGRESS_ID);
            return;
        }

        String status = null;
        if (appsCount == 1) {
            status = cxt.getString(Res.string.download_notification_downloading_one, appName);
        } else {
            status = cxt.getString(Res.string.download_notification_downloading_more, appsCount);
        }

        RemoteViews downloadView = new RemoteViews(Constants.REAL_PACKAGE_NAME,
                Res.layout.notification_apkdownloader_downloading);
        downloadView.setTextViewText(Res.id.title, status);
        downloadView.setProgressBar(Res.id.progress_bar, 100, percent, false);

        Intent intent = new Intent(cxt, DownloadMgrActivity.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP);
        PendingIntent pi = PendingIntent.getActivity(cxt, 0, intent,
                PendingIntent.FLAG_UPDATE_CURRENT);

        Notification notification = new Notification();
        notification.icon = NotificationUtils.getGroupIconIdByGroupId(Constants.NOTIFICATION_APPGROUP, Constants.STATE_GREEN);
        notification.when = 0;
        notification.flags = Notification.FLAG_ONGOING_EVENT;
        notification.defaults = 0;
        notification.sound = null;
        notification.vibrate = null;
        notification.contentView = downloadView;
        notification.contentIntent = pi;
        if (showTicker) {
            String ticker = cxt.getString(Res.string.download_notification_downloading_one, appName);
            notification.tickerText = ticker;
        }

        nm.notify(Constants.STATUSBAR_APK_DOWNLOADER_PROGRESS_ID, notification);
    }