private static extern void _requestLogin(OnLoginSuccessCallback onLoginSuccess, OnLoginFailCallback onLoginFail);
private static extern void _requestLogin(OnLoginSuccessCallback onLoginSuccess, OnLoginFailCallback onLoginFail);
private static extern void _requestLogin(OnLoginSuccessCallback onLoginSuccess, OnLoginFailCallback onLoginFail);
private static extern void _requestLogin(OnLoginSuccessCallback onLoginSuccess, OnLoginFailCallback onLoginFail);