BlackBerry chat sample 5,6,7: Add the new contacts to the contact list

gistfile1.java

    chat_manager.internal_state = chat_manager.ONLINE;
    boolean changes = false; // test if there are changes
    boolean onlyphone = false;
    boolean isNew = true;
    if (chat_manager.currentjid == null ||
            !jid.getText().equals(chat_manager.currentjid.getFullJid()) ||
            !group.getText().equals(chat_manager.currentjid.group) || (phone.getText() != null &&
            !phone.getText().equals(chat_manager.currentjid.phone))) {
        if (chat_manager.currentjid != null &&
                jid.getText().equals(chat_manager.currentjid.getFullJid()) &&
                group.getText().equals(chat_manager.currentjid.group)) {
            onlyphone = true; //only phone number changes
        }
        changes = true;
    }
    if (chat_manager.currentjid != null) {
        Datas.roster.remove(chat_manager.currentjid.getLittleJid());
        isNew = false;
    }
    if (onlyphone) {
        chat_manager.currentjid.phone = phone.getText();
        Subscribe.setPhoneNumber(chat_manager.currentjid,
                chat_manager.currentjid.phone);
        Datas.roster.put(chat_manager.currentjid.getLittleJid(),
                chat_manager.currentjid);
    } else if (changes) {
        Jid newjid = new Jid(jid.getText());
        newjid.group = group.getText();
        newjid.phone = phone.getText();
        //notify to the server
        Subscribe.setNewRosterItem(newjid, isNew);
        Datas.registerRoster(newjid);
        if (newjid.phone != null && !newjid.phone.equals("")) {
            Subscribe.setPhoneNumber(newjid, newjid.phone);
        }
    }
    chat_manager.getGuiOnlineMenu();
    onClose();