public void OnNativeButton()
    {
        //Native側のHTTPリクエスト
        Debug.Log("OnNativeButton start");

        string str = MakeSampleData();

        HttpNativePlugin.HttpRequest(Url, str);

        Debug.Log("OnNativeButton end");
    }
    private void OnApplicationPause(bool pauseStatus)
    {
        Debug.Log("OnApplicationPause:" + pauseStatus);

        if (pauseStatus == true)
        {
            //データ作成する
            string str = MakeSampleData();

            //ネイティブ側の通信処理を呼び出す
            HttpNativePlugin.HttpRequest(Url, str);
        }
    }