/*** Show a notification while this service is running.* 在service运行时，显示通知信息*/public void showNotification() {NotificationManager mNM = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);        CharSequence text = getText(R.string.app_name);Notification notification = new Notification(R.drawable.img_step_counter_user, null,System.currentTimeMillis());// 标志位的设置：应设置为可以自动取消，这样用户就可以取消他，如果设置为Intent.FLAG_ACTIVITY_CLEAR_TOP | Notification.FLAG_ONGOING_EVENT;则会一直显示通知//        notification.flags = Intent.FLAG_ACTIVITY_CLEAR_TOP | Notification.FLAG_ONGOING_EVENT;notification.flags = Notification.FLAG_AUTO_CANCEL;Intent pedometerIntent = new Intent();pedometerIntent.setComponent(new ComponentName(this, StepCounterHomePageActivity.class));pedometerIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);PendingIntent contentIntent = PendingIntent.getActivity(this, 0,pedometerIntent, 0);notification.setLatestEventInfo(this, text,getText(R.string.notification_subtitle)+":  "+SensorData.stepNum+" 步", contentIntent);// 其中R.layout.notification是一个布局文件        notification.contentView = new RemoteViews(getPackageName(),R.layout.notification);notification.contentView.setViewVisibility(R.id.usermessage, View.VISIBLE);notification.contentView.setViewVisibility(R.id.notification_background, View.GONE);notification.contentView.setViewVisibility(R.id.notification_layout, View.GONE);notification.contentView.setTextViewText(R.id.tv_user_name_step, "掌上医生");notification.contentView.setTextViewText(R.id.tv_use_date_step, "计算步数： "+SensorData.stepNum+"步");mNM.notify(R.string.app_name, notification);}