internal static MedicalTestFragment NewInstance(bool?canback = false)
        {
            var fragment = new MedicalTestFragment();

            fragment.CanBack = canback.Value;

            return(fragment);
        }
        protected override Android.Support.V4.App.Fragment CreateFragment()
        {
            var canBack = Intent.GetBooleanExtra("canBack", false);

            return(MedicalTestFragment.NewInstance(canBack));
        }