private void addDefaultPlaceholders()
    {
        GameObject go = (GameObject)Instantiate(playerSettingItemButton);

        go.transform.SetParent(contentPanel, false);
        PlayerSettingItemButton itmBtn = go.GetComponent <PlayerSettingItemButton>();

        itmBtn.transform.SetSiblingIndex(contentPanel.GetComponentsInChildren <PlayerSettingItemButton>().Length - 1);
        itmBtn.init();
    }
    void populateGrid()
    {
        foreach (Player p in PlayerPrefManager.playerList)
        {
            GameObject go = (GameObject)Instantiate(playerSettingItemButton);
            go.transform.SetParent(contentPanel, false);
            PlayerSettingItemButton itmBtn = go.GetComponent <PlayerSettingItemButton>();

            itmBtn.transform.SetSiblingIndex(contentPanel.GetComponentsInChildren <PlayerSettingItemButton>().Length - 1);
            itmBtn.init(p);
        }
    }
 public void onPlayerNumberClicked(PlayerSettingItemButton item)
 {
 }