/// <summary>
        /// Gets the color of the span.
        /// </summary>
        /// <param name="color">The color.</param>
        /// <param name="defaultColors">The default colors.</param>
        /// <returns>Android.Graphics.Color.</returns>
        public Android.Graphics.Color GetSpanColor(Xamarin.Forms.Color color, ColorStateList defaultColors)
        {
            if (color == Xamarin.Forms.Color.Default)
                return new Android.Graphics.Color(defaultColors.DefaultColor);

            return color.ToAndroid();
        }
        private Android.Graphics.Color GetSpanColor(Xamarin.Forms.Color color)
        {
            if (color == Xamarin.Forms.Color.Default)
                return new Android.Graphics.Color(Control.TextColors.DefaultColor);

            return color.ToAndroid();
        }