+ (CGSize)sizeWithText:(NSString *)text andFont:(UIFont *)font andMaxSize:(CGSize)maxSize{    CGSize expectedLabelSize = CGSizeZero;        NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];    paragraphStyle.lineBreakMode = NSLineBreakByWordWrapping;    [paragraphStyle setLineSpacing:0];    NSDictionary *attributes = @{NSFontAttributeName:font, NSParagraphStyleAttributeName:paragraphStyle.copy};        expectedLabelSize = [text boundingRectWithSize:maxSize options:NSStringDrawingUsesLineFragmentOrigin attributes:attributes context:nil].size;        return CGSizeMake(ceil(expectedLabelSize.width), ceil(expectedLabelSize.height));}