public boolean isValidNewTask() {
		try {
			String subject = params.get(DataXMLManager.SUBJECT);
			String content = params.get(DataXMLManager.CONTENT);
			String recipient = params.get(DataXMLManager.RCPT);
			String date = params.get(DataXMLManager.DATE);
			String time = params.get(DataXMLManager.TIME);
			return !(subject.isEmpty() || content.isEmpty() || recipient.isEmpty() || !isValidEmail(recipient)
					|| date.isEmpty() || !isValidDate(date) || time.isEmpty() || !isValidTime(time));
		} catch (Exception e) {
			return false;
		}
	}