public static boolean removeContact(String contactID) {
        boolean status = false;
        AddressBook addressBook = Helpers.getAddressBook();
        if (addressBook == null) {
            System.out.println("removeContact - addressBook returns null");
            return false;
        }
        for (int i = 0; i < addressBook.GetContactCount(); i++) {
            Contact contact = addressBook.GetContact(i);
            if (contact == null) {
                continue;
            }
            if (contactID.equals(contact.getContact_id())) {
                status = addressBook.RemoveContact(i);
                System.out.println("removeContact status addressBook otapi.RemoveContact:" + status);
                if (status) {
                    status = otapi.StoreObject(addressBook, "moneychanger", "gui_contacts.dat");
                }
                System.out.println("removeContact status addressBook otapi.StoreObject:" + status);
                break;
            }
        }
        return status;
    }