Make UILabel height so it fits the characters it contains exactly (with autolayout)

Question

I've seen that UILabel intrinsic size doesn't seem to fit exactly the characters it contains.

As you can see in the image, labels have some margin on top and bottom. I can make "Subtitle" get closer to "TITLE" using baseline (title.baseline == subtitle.top), but I would also want to align "TITLE" to its parent top.

I would like to use autolayout constraints if possible.

Fonts have lowercase descenders tat go below the baseline. The intrinsic size allows for that. — picciano, Dec 03 '15 at 00:46
Yes, I know. I'd like a "current" intrinsic size with the characters that I'm using, not any possible character. Since I'm using caps there, I know I won't have lowercase descenders. — Ferran Maylinch, Dec 03 '15 at 02:04
I posted a solution here: http://stackoverflow.com/a/34073666/1121497 — Ferran Maylinch, Dec 04 '15 at 10:01

score 1 · Answer 1 · answered Dec 03 '15 at 06:28

1

Quick Fix

If your font size is constant for labels, you can try subclassing UILabel and override - (CGSize)intrinsicContentSize

-(CGSize)intrinsicContentSize {
    CGSize intrinsicSize = [super intrinsicContentSize];
    intrinsicSize.height -= 8; // Works good for system font size 17.0
    return intrinsicSize;
}

You might need to play with intrinsicSize.height -= 8; to get desired output.

answered Dec 03 '15 at 06:28

BangOperator

4,377
2
24
38

Thanks. I thought about doing that. It's quite a hack, though... :p --- And I would like it to work for any font, size and characters. I would have to consider all of those and "cook" a magic number. – Ferran Maylinch Dec 03 '15 at 11:57

Make UILabel height so it fits the characters it contains exactly (with autolayout)

1 Answers1