Map preferredContentSizeCategory into a human-readable string, e.g. UIContentSizeCategoryAccessibilityMedium becomes "Accessibility Medium"

preferred Content Size description

+ (NSString *)preferredContentSizeDescription
{
    // see http://johnszumski.com/blog/implementing-dynamic-type-on-ios7

    NSString *contentSize = [UIApplication sharedApplication].preferredContentSizeCategory;
    NSString *description;

    if ([contentSize rangeOfString:@"Accessibility"].location != NSNotFound)
    {
        // Accessibility Content Size Category Constants
        if ([contentSize isEqualToString:UIContentSizeCategoryAccessibilityMedium]) {
            description = @"Accessibility Medium";
        } else if ([contentSize isEqualToString:UIContentSizeCategoryAccessibilityLarge]) {
            description = @"Accessibility Large";
        } else if ([contentSize isEqualToString:UIContentSizeCategoryAccessibilityExtraLarge]) {
            description = @"Accessibility Extra Large";
        } else if ([contentSize isEqualToString:UIContentSizeCategoryAccessibilityExtraExtraLarge]) {
            description = @"Accessibility 2X Large";
        } else if ([contentSize isEqualToString:UIContentSizeCategoryAccessibilityExtraExtraExtraLarge]) {
            description = @"Accessibility 3X Large";
        }
        else {
            description = @"Unknown Content Cateogry Accessibility Size";
        }
    }
    else
    {
        //Content Size Category Constants
        if ([contentSize isEqualToString:UIContentSizeCategoryExtraSmall]) {
            description = @"Extra Small";
        } else if ([contentSize isEqualToString:UIContentSizeCategorySmall]) {
            description = @"Small";
        } else if ([contentSize isEqualToString:UIContentSizeCategoryMedium]) {
            description = @"Medium";
        } else if ([contentSize isEqualToString:UIContentSizeCategoryLarge]) {
            description = @"Large";
        } else if ([contentSize isEqualToString:UIContentSizeCategoryExtraLarge]) {
            description = @"Extra Large";
        } else if ([contentSize isEqualToString:UIContentSizeCategoryExtraExtraLarge]) {
            description = @"Extra Extra Large";
        } else if ([contentSize isEqualToString:UIContentSizeCategoryExtraExtraExtraLarge]) {
            description = @"Extra Extra Extra Large";
        }
        else
        {
            description = @"Unknown Content Cateogry Size";
        }
    }

    return description;
}