How do I set bold and italic on UILabel of iPhone iPad

Question

How do I set bold and italic on UILabel of iPhone iPad  I searched the forum but nothing helped me  Could anyone help me

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Example Bold text   UILabel  titleBold     UILabel alloc  initWithFrame CGRectMake 10  10  200  30    UIFont  myBoldFont    UIFont boldSystemFontOfSize  UIFont systemFontSize     titleBold setFont myBoldFont     Example Italic text   UILabel  subTitleItalic     UILabel alloc  initWithFrame CGRectMake 10  35  200  30    UIFont  myItalicFont    UIFont italicSystemFontOfSize  UIFont systemFontSize     subTitleItalic setFont myItalicFont

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Many times the bolded text is regarded in an information architecture way on another level and thus not have bolded and regular in one line  so you can split it to two labels textViews  one regular and on bold italic  And use the editor to choose the font styles

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Good answers here  but if you want the label respects the user s preferred size category  use preferredFont  UIFont systemFont ofSize  UIFont preferredFont forTextStyle   body  pointSize  weight   bold

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Swift 3  Bold   let bondFont   UIFont boldSystemFont ofSize UIFont labelFontSize   Italic   let italicFont   UIFont italicSystemFont ofSize UIFont labelFontSize

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I have the same issue that need to apply both Bold and Italic on a label and button  You can simply use following code to achieve this effect   myLabel font    UIFont fontWithName   Arial-BoldItalic  size 30 0

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Edinator have a look on this    myLabel font    UIFont boldSystemFontOfSize 16 0f  myLabel font    UIFont italicSystemFontOfSize 16 0f     use any one of the above at a time you want

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Updating Maksymilian Wojakowski s awesome answer for swift 3  extension UIFont       func withTraits traits UIFontDescriptorSymbolicTraits     - gt  UIFont            guard let descriptorL   self fontDescriptor withSymbolicTraits UIFontDescriptorSymbolicTraits traits   else              return nil                   return UIFont descriptor  descriptorL  size  0             func boldItalic   - gt  UIFont            return withTraits traits   traitBold   traitItalic

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As has already been mentioned in these answers  you just need the right font name  I find that  iOSFonts com is the most helpful resource for knowing exactly what name to use

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With iOS 7 system default font  you ll be using helvetica neue bold if you are looking to keep system default font        titleText setFont  UIFont fontWithName   HelveticaNeue-Bold  size 16 0      Or you can simply call it        titleText setFont  UIFont boldSystemFontOfSize 16 0

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Don t try to play with the font names  Using the font descriptor you need no names   UILabel   label     UILabel alloc  init      use your label object instead of this UIFontDescriptor   fontD    label font fontDescriptor             fontDescriptorWithSymbolicTraits UIFontDescriptorTraitBold                               UIFontDescriptorTraitItalic   label font    UIFont fontWithDescriptor fontD size 0     size 0 means  keep the size as is   With Swift try the following extension   extension UIFont        func withTraits traits UIFontDescriptorSymbolicTraits     - gt  UIFont           let descriptor   self fontDescriptor                fontDescriptorWithSymbolicTraits UIFontDescriptorSymbolicTraits traits           return UIFont descriptor  descriptor  size  0             func boldItalic   - gt  UIFont           return withTraits  TraitBold   TraitItalic             Then you may use it this way   myLabel font   myLabel font boldItalic     or even add additional traits like Condensed   myLabel font   myLabel font withTraits  TraitCondensed   TraitBold   TraitItalic    Update for Swift 4   extension UIFont     var bold  UIFont       return with traits   traitBold         bold    var italic  UIFont       return with traits   traitItalic         italic    var boldItalic  UIFont       return with traits    traitBold   traitItalic          boldItalic     func with traits  UIFontDescriptorSymbolicTraits  - gt  UIFont       guard let descriptor   self fontDescriptor withSymbolicTraits traits  else         return self          guard      return UIFont descriptor  descriptor  size  0         with traits        extension   Use it as follows   myLabel font   myLabel font bold  or  myLabel font   myLabel font italic  or   myLabel font   myLabel font with traits     traitBold   traitCondensed     Update for Swift 5  extension UIFont       var bold  UIFont           return with  traitBold             var italic  UIFont           return with  traitItalic             var boldItalic  UIFont           return with   traitBold   traitItalic                func with   traits  UIFontDescriptor SymbolicTraits     - gt  UIFont           guard let descriptor   self fontDescriptor withSymbolicTraits UIFontDescriptor SymbolicTraits traits  union self fontDescriptor symbolicTraits   else               return self                   return UIFont descriptor  descriptor  size  0             func without   traits  UIFontDescriptor SymbolicTraits     - gt  UIFont           guard let descriptor   self fontDescriptor withSymbolicTraits self fontDescriptor symbolicTraits subtracting UIFontDescriptor SymbolicTraits traits    else               return self                   return UIFont descriptor  descriptor  size  0

User · Answer

This is very simple  Here is the code    yourLabel setFont  UIFont boldSystemFontOfSize 15 0     This will help you

User · Answer

With Swift 5     For style   BOLD   label font   UIFont name  HelveticaNeue-Bold   size  15 0       For style   Medium   label font   UIFont name  HelveticaNeue-Medium   size  15 0       For style   Thin   label font   UIFont name  HelveticaNeue-Thin   size  15 0

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btn titleLabel font  UIFont fontWithName   Helvetica neue  size 10    btn titleLabel font     UIFont boldSystemFontOfSize btnPrev titleLabel font pointSize 3     you can do bold label button font also using this

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Just want to mention that   UIFont systemFont ofSize  16  weight  UIFont Weight bold  UIFont boldSystemFont ofSize  16    They have different outcome

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Although the answer provided by  tolbard is amazing and works well    I feel creating an extension for something that can be achieved in just a line of code  would be an over kill    You can get bold as well italic styling for the same text in your label by setting up the font property using UIFontDescriptor as shown below in the example below using Swift 4 0     label font   UIFont descriptor  UIFontDescriptor   withSymbolicTraits   traitBold   traitItalic     size  12    Other options include   traitLooseLeading traitTightLeading traitUIOptimized traitVertical traitMonoSpace traitCondensed traitExpanded   For more information on what those symbolic traits mean  visit here

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sectionLabel font    UIFont fontWithName   TrebuchetMS-Bold  size 18     There is a list of font names that you can set in place of  fontWithName  attribute The link is here

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You can set any font style  family  size for the label  by clicking on letter  T  in Font field

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I made a variation of the response of maksymilian wojakowski  where you can add or remove a trait s    extension UIFont        func withTraits   traits UIFontDescriptorSymbolicTraits     - gt  UIFont           let descriptor   self fontDescriptor              withSymbolicTraits UIFontDescriptorSymbolicTraits traits  union self fontDescriptor symbolicTraits           return UIFont descriptor  descriptor   size  0            func withoutTraits   traits UIFontDescriptorSymbolicTraits     - gt  UIFont           let descriptor   self fontDescriptor              withSymbolicTraits   self fontDescriptor symbolicTraits subtracting UIFontDescriptorSymbolicTraits traits            return UIFont descriptor  descriptor   size  0            func bold   - gt  UIFont           return withTraits   traitBold             func italic   - gt  UIFont           return withTraits  traitItalic             func noItalic   - gt  UIFont           return withoutTraits  traitItalic            func noBold   - gt  UIFont           return withoutTraits  traitBold            exemple  label font   label font italic   bold     it useful when reusing cell and you want to remove the italic you put on a label in a previous cell

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I recently wrote a blog post about the restrictions of the UIFont API and how to solve it  You can see it at here  With the code I provide there  you can get your desired UIFont as easy as   UIFont  myFont    FontResolver fontWithDescription   font-family  Helvetica  font-weight  bold  font-style  italic      And then set it to your UILabel  or whatever  with  myLabel font   myFont

[ios] How do I set bold and italic on UILabel of iPhone/iPad?

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