code: public static int processResponses(PushNotificationManager notificationManager) {
  		List<ResponsePacket> responses = readResponses(notificationManager.getActiveSocket());
  		handleResponses(responses, notificationManager);
  		return responses.size();
  	}
docs: Read response packets from the current APNS connection and process them.
  
  @param notificationManager
  @return the number of response packets received and processed