NSString UILabel 자간

- (void) setLetterSpace:(UILabel*)label

{

    //글자 세팅

    NSString* str = @"Hello World";

    

    CGFloat number = 10.0f;

    

    NSMutableAttributedString* attstr = [[NSMutableAttributedString alloc] initWithString:str];

    

    [attstr addAttribute:NSKernAttributeName

                   value:[NSNumber numberWithFloat:number]

                   range:NSMakeRange(0, attstr.length)];

    

    [label setAttributedText:attstr];

    

}