iOS 8: UIButton appearance font

Question

Trying to set UIButton's font for all buttons using appearance in iOS 8. After Googling, it appears that Apple has changed the way you do this from OS to OS. In iOS 7, this should have worked:

    UIButton.appearance().titleLabel?.font = UIFont.inviteButtonTitleFont()

But it doesn't seem to work anymore. Anyone know how you do it now?

Are you using playground or putting your UI elements in an app view's tree? — Jan Cássio, Apr 06 '15 at 19:03
Look, this proxy will work properly only if UILabel implements the proxy to change font globally too. — Jan Cássio, Apr 06 '15 at 20:05

Peter Kreinz · Answer 1 · 2017-02-18T16:58:29.603

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Swift 3:

let fontRegular = UIFont(name: "MyCustomRegularFont", size: 17.0)
UILabel.appearance(whenContainedInInstancesOf: [UIButton.self]).font = fontRegular
UIButton.appearance().tintColor = UIColor.red

edited Feb 18 '17 at 16:58

answered Feb 05 '17 at 23:25

Peter Kreinz

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score 0 · Answer 2 · answered Apr 06 '15 at 20:04

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The proxy for font was removed from UILabel.appearance(), so that's the reason why this not works.

answered Apr 06 '15 at 20:04

Jan Cássio

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score 0 · Answer 3 · edited May 23 '17 at 12:09

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Use the appearance when contained in method on UILabel

UILabel.appearanceWhenContainedInInstancesOfClasses([UIButton.self]).font = UIFont.inviteButtonTitleFont()

This should work in iOS9, see this answer appearanceWhenContainedIn in Swift for iOS8 and 7 workarounds.

(Disclaimer, I have not compiled the code snippet so beware of typos).

edited May 23 '17 at 12:09

Community

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answered Dec 01 '15 at 11:21

Lev Landau

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this doesn't work for me although it seems like it should – jxmorris12 Jul 11 '16 at 21:03
Type 'UILabel' has no member 'appearanceWhenContainedInInstancesOfClasses'. – titusmagnus Oct 13 '18 at 18:51

iOS 8: UIButton appearance font

3 Answers3