title: Close android Notification
body: <p>i have create notification when service start but i have not idea how to close that notification when service stop or on destroy. have any idea. </p>
  
  <p>following code that start notification when service start. </p>
  
  <pre><code>String ns = Context.NOTIFICATION_SERVICE;
      final int KEEPUS_NOTIFICATION_ID = 1;
      NotificationManager mNotificationManager = (NotificationManager) context.getSystemService(ns);
      Notification notification = new Notification(R.drawable.notification_icon1, ticker_text, System.currentTimeMillis());
      Intent notificationIntent = new Intent(context, KeepusActivity.class);
      PendingIntent contentIntent = PendingIntent.getActivity(context, 0, notificationIntent, 0);
      notification.setLatestEventInfo(context, ticker_content_title, ticker_content_text,contentIntent);
      mNotificationManager.notify(KEEPUS_NOTIFICATION_ID, notification);
  </code></pre>