/**
     * Toast 提示
     */
    public void showToast(string msg)
    {
        AndroidJavaObject commonsObject = LoadJavaClassHelper.getCommonsClass();

        if (commonsObject != null)
        {
            commonsObject.CallStatic("showToast", SingletonHolder.instance_context, msg);
        }
    }
    /**
     * 触发复制字符串到系统剪贴板
     */
    public void copyToClipboarAos(string content)
    {
        AndroidJavaObject commonsObject = LoadJavaClassHelper.getCommonsClass();

        if (commonsObject != null)
        {
            commonsObject.CallStatic("copyToClipboar", SingletonHolder.instance_context, content);
        }
    }
    /**
     * print key hash at logcat, search keyword KeyHash will find it
     */
    public void printKeyHash()
    {
        AndroidJavaObject commonsObject = LoadJavaClassHelper.getCommonsClass();

        if (commonsObject != null)
        {
            commonsObject.CallStatic("printKeyHash", SingletonHolder.instance_context);
        }
    }