public static List getContactList(){

        List contactList = new ArrayList();
        AddressBook addressBook = Helpers.getAddressBook();
        if (addressBook == null) {
            System.out.println("getContactList - addressBook returns null");
            return null;
        }
        for(int i=0;i<addressBook.GetContactCount();i++){
            Contact contact = addressBook.GetContact(i);
            if(contact==null)
                continue;

            String [] row = new String[2];

            row[0] = contact.getGui_label()==null?"":contact.getGui_label();
            System.out.println("contact.getGui_label():"+contact.getGui_label());
            row[1] = contact.getContact_id()==null?"":contact.getContact_id();
            contactList.add(row);
        }

        return contactList;
    }