Line Breaks and Number of Lines in Swift Label (Programmatically)

Question

By selecting a Label in a StoryBoard, I can select Line Break to be Word Wrap and change number of lines to be more than 1. How can I do that Programmatically in Swift? enter image description here

It is recommended to go with design-time setting since at times the run-time may not work as in my case. — Jayprakash Dubey, Aug 01 '16 at 05:05

score 83 · Accepted Answer · edited Oct 15 '17 at 21:54

83

You can do this to set it programmatically

 label.lineBreakMode = NSLineBreakMode.ByWordWrapping
 label.numberOfLines = 3

Swift 3/4

label.lineBreakMode = .byWordWrapping
label.numberOfLines = 3

edited Oct 15 '17 at 21:54

Gabriel Lidenor

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answered Jan 04 '15 at 04:15

rakeshbs

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Not much reason to set the number of lines to 1 if you want to wrap text. – rmaddy Jan 04 '15 at 04:33
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I was just demonstrating how to change it. – rakeshbs Jan 04 '15 at 04:34
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How to do this dynamically according to text length? – Feb 16 '16 at 12:25
http://stackoverflow.com/questions/15161348/how-can-i-compute-the-number-of-lines-of-a-uilabel-with-a-fixed-width – rakeshbs Feb 16 '16 at 12:54
@rakeshbs plz look here for my question https://stackoverflow.com/questions/46723070/label-disappear-when-changing-font-size-to-25-in-swift – dinesh sharma Oct 14 '17 at 11:11
For resizing dynamically, refer to this answer https://stackoverflow.com/a/31179855/2625761 – Zoran777 May 28 '18 at 11:58

score 26 · Answer 2 · answered Jul 02 '15 at 08:52

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If you want the label to have multiple lines, do this:

var myLabel:UILabel = UILabel(frame: CGRectMake(7, 200, 370, 100))
myLabel.lineBreakMode = NSLineBreakMode.ByWordWrapping
myLabel.numberOfLines = 0                      //'0' means infinite number of lines

Do remember to increase the height in "CGRectMake(7, 200, 370, 100)" <-- This
Otherwise the label won't be able to take the multiple lines of text.

answered Jul 02 '15 at 08:52

Zoran777

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Although I marked above as right answer because that is what I needed. This is `recommended` for auto layouts and dynamic height. – tika Sep 09 '16 at 16:00
Agreed! And as much as possible, dynamic needs should be incorporated always! – Zoran777 Sep 19 '16 at 08:14
Is it necessary to create the label always programatically? – JCarlosR Mar 09 '17 at 23:28

swiftBoy · Answer 3 · 2017-08-20T13:24:18.610

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Note with Swift 3 you need to use updated method byWordWrapping

productNameLabel.lineBreakMode = .byWordWrapping
productNameLabel.numberOfLines = 1

Or for adding Ellipsis at the end use byTruncatingTail

productNameLabel.lineBreakMode = .byTruncatingTail
productNameLabel.numberOfLines = 1

edited Aug 20 '17 at 13:24

answered Aug 20 '17 at 12:49

swiftBoy

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plz look here for my question https://stackoverflow.com/questions/46723070/label-disappear-when-changing-font-size-to-25-in-swift – dinesh sharma Oct 14 '17 at 11:11

Line Breaks and Number of Lines in Swift Label (Programmatically)

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