By Owain Hunt


2009-03-03 00:22:11 8 Comments

I have the following code...

UILabel *buttonLabel = [[UILabel alloc] initWithFrame:targetButton.bounds];
buttonLabel.text = @"Long text string";
[targetButton addSubview:buttonLabel];
[targetButton bringSubviewToFront:buttonLabel];

...the idea being that I can have multi-line text for the button, but the text is always obscured by the backgroundImage of the UIButton. A logging call to show the subviews of the button shows that the UILabel has been added, but the text itself cannot be seen. Is this a bug in UIButton or am I doing something wrong?

26 comments

@iOS 2019-04-29 04:54:53

In Swift 5.0 and Xcode 10.2

SharedClass example write once and use every ware

This is your shared class(like this you use all components properties)

import UIKit

class SharedClass: NSObject {

     static let sharedInstance = SharedClass()

     private override init() {

     }
  }

//UIButton extension
extension UIButton {
     //UIButton properties
     func btnMultipleLines() {
         titleLabel?.numberOfLines = 0
         titleLabel?.lineBreakMode = .byWordWrapping
         titleLabel?.textAlignment = .center        
     }
}

In your ViewController call like this

button.btnMultipleLines()//This is your button

@Amir Khorsandi 2019-04-11 21:25:00

I had an issue with auto-layout, after enabling multi-line the result was like this:
enter image description here
so the titleLabel size doesn't affect the button size
I've added Constraints based on contentEdgeInsets (in this case contentEdgeInsets was (10, 10, 10, 10)
after calling makeMultiLineSupport():
enter image description here
hope it help you (swift 5.0):

extension UIButton {

    func makeMultiLineSupport() {
        guard let titleLabel = titleLabel else {
            return
        }
        titleLabel.numberOfLines = 0
        titleLabel.setContentHuggingPriority(.required, for: .vertical)
        titleLabel.setContentHuggingPriority(.required, for: .horizontal)
        addConstraints([
            .init(item: titleLabel,
                  attribute: .top,
                  relatedBy: .greaterThanOrEqual,
                  toItem: self,
                  attribute: .top,
                  multiplier: 1.0,
                  constant: contentEdgeInsets.top),
            .init(item: titleLabel,
                  attribute: .bottom,
                  relatedBy: .greaterThanOrEqual,
                  toItem: self,
                  attribute: .bottom,
                  multiplier: 1.0,
                  constant: contentEdgeInsets.bottom),
            .init(item: titleLabel,
                  attribute: .left,
                  relatedBy: .greaterThanOrEqual,
                  toItem: self,
                  attribute: .left,
                  multiplier: 1.0,
                  constant: contentEdgeInsets.left),
            .init(item: titleLabel,
                  attribute: .right,
                  relatedBy: .greaterThanOrEqual,
                  toItem: self,
                  attribute: .right,
                  multiplier: 1.0,
                  constant: contentEdgeInsets.right)
            ])
    }

}

@Ash 2018-11-17 07:12:59

These days, if you really need this sort of thing to be accessible in interface builder on a case-by-case basis, you can do it with a simple extension like this:

extension UIButton {
    @IBInspectable var numberOfLines: Int {
        get { return titleLabel?.numberOfLines ?? 1 }
        set { titleLabel?.numberOfLines = newValue }
    }
}

Then you can simply set numberOfLines as an attribute on any UIButton or UIButton subclass as if it were a label. The same goes for a whole host of other usually-inaccessible values, such as the corner radius of a view's layer, or the attributes of the shadow that it casts.

@Nazrul Islam 2018-05-31 06:14:28

In Xcode 9.3 you can do it by using storyboard like below,

enter image description here

You need to set button title textAlignment to center

button.titleLabel?.textAlignment = .center

You don't need to set title text with new line (\n) like below,

button.setTitle("Good\nAnswer",for: .normal)

Simply set title,

button.setTitle("Good Answer",for: .normal)

Here is the result,

enter image description here

@tounaobun 2019-04-12 11:53:38

myButton.titleLabel.textAlignment = NSTextAlignmentCenter statement is also needed.

@Stunner 2018-05-05 23:27:21

I incorporated jessecurry's answer within STAButton which is part of my STAControls open source library. I currently use it within one of the apps I am developing and it works for my needs. Feel free to open issues on how to improve it or send me pull requests.

@ingconti 2018-03-25 12:50:04

swift 4.0

btn.titleLabel?.lineBreakMode = .byWordWrapping
btn.titleLabel?.textAlignment = .center
btn.setTitle( "Line1\nLine2", for: .normal)

@Pablo Blanco 2018-02-21 11:41:43

You have to add this code:

buttonLabel.titleLabel.numberOfLines = 0;

@jessecurry 2009-12-01 22:34:56

For iOS 6 and above, use the following to allow multiple lines:

button.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
// you probably want to center it
button.titleLabel.textAlignment = NSTextAlignmentCenter; // if you want to 
[button setTitle: @"Line1\nLine2" forState: UIControlStateNormal];

For iOS 5 and below use the following to allow multiple lines:

button.titleLabel.lineBreakMode = UILineBreakModeWordWrap;
// you probably want to center it
button.titleLabel.textAlignment = UITextAlignmentCenter;
[button setTitle: @"Line1\nLine2" forState: UIControlStateNormal];

2017, for iOS9 forward,

generally, just do these two things:

  1. choose "Attributed Text"
  2. on the "Line Break" popup select "Word Wrap"

@Aaron Brager 2013-01-09 22:36:43

Please note these assignments are deprecated in iOS 6. See the answer below by @NiKKi for the updated syntax.

@The dude 2013-10-29 12:08:48

Just so people know: this does not work if you're using NSAttributedString

@RyJ 2014-08-21 16:00:01

Actually, just add button.titleLabel.numberOfLines = 0; That will make the lines unlimited. And button.titleLabel.textAlignment = NSTextAlignmentLeft; if you want left justified text as the title is centered by default.

@Robert 2015-01-25 17:36:10

In swift button.titleLabel?.lineBreakMode = NSLineBreakMode.ByWordWrapping

@Alex Cio 2015-05-08 11:43:42

@jessecurry I don't see any difference to this snippet compared with the one from NiKKi..... and NSTextAlignmentCenter isn't deprecated like NiKKi tells.

@mjswensen 2015-08-18 22:49:35

Thanks @Robert for the swift solution. Can also use inference and omit the NSLineBreakMode, like so: button.titleLabel?.lineBreakMode = .ByWordWrapping.

@Avi Cohen 2016-04-07 08:31:52

As of Xcode 7.3, trying to center the text in IB doesn't work so you'll need to IBOutlet the button and in the viewDidLoad add: button.titleLabel.textAlignment = UITextAlignmentCenter;

@DrMickeyLauer 2016-08-15 10:51:17

Note that, if you want to use AutoLayout, UIButton has a bug that prevents the intrinsic content size to work properly with edge insets. To fix that, please refer to stackoverflow.com/questions/17800288/… where a good solution is presented.

@Urvish Modi 2017-08-03 09:40:40

self.btnError.titleLabel?.lineBreakMode = NSLineBreakMode.byWordWrapping

self.btnError.titleLabel?.textAlignment = .center

self.btnError.setTitle("Title", for: .normal)

@Md. Ibrahim Hassan 2017-05-08 09:56:36

SWIFT 3

button.titleLabel?.lineBreakMode = .byWordWrapping
button.titleLabel?.textAlignment = .center  
button.setTitle("Button\nTitle",for: .normal)

@Sourabh Sharma 2016-12-09 10:55:27

If you use auto-layout.

button.titleLabel?.adjustsFontSizeToFitWidth = true
button.titleLabel?.numberOfLines = 2

@user5440039 2015-10-21 09:03:53

If you want to add a button with the title centered with multiple lines, set your Interface Builder's settings for the button:

[here]

@Rory McCrossan 2015-10-21 09:21:45

Can you add a textual description of how to achieve this. An image is great, but if it becomes unavailable your answer will be useless.

@user5440039 2015-10-21 10:03:40

@RoryMcCrossan Hi, i added an image above. Can you view it? Please note, Xcode 7 is still buggy so button title might disappear. However, once you run the app you will get the desired result.

@RainCast 2016-10-30 23:00:24

This is the best answer in this thread, actually. Works immediately and shows centered text from IB. Thanks!

@Fattie 2016-12-07 15:11:35

@user5440039 Thanks for the great answer. There's no need to add a textual description.

@Irfan 2017-04-25 08:03:19

You made my day, thanks for pointing it out (y).

@Varrry 2015-08-31 20:21:44

Setting lineBreakMode to NSLineBreakByWordWrapping (either in IB or code) makes button label multiline, but doesn't affect button's frame.

If button has dynamic title, there is one trick: put hidden UILabel with same font and tie it's height to button's height with layout; when set text to button and label and autolayout will make all the work.

Note

Intrinsic size height of one-line button is bigger than label's, so to prevent label's height shrink it's vertical Content Hugging Priority must be greater than button's vertical Content Compression Resistance.

@baudot 2010-10-28 15:45:02

To restate Roger Nolan's suggestion, but with explicit code, this is the general solution:

button.titleLabel?.numberOfLines = 0

@Adam Waite 2014-05-14 15:36:05

The selected answer is correct but if you prefer to do this sort of thing in Interface Builder you can do this:

pic

@Adam Waite 2018-05-31 22:16:00

Thanks to my 24 year old self for writing this answer, from 28 year old self.

@AnthoPak 2018-06-14 11:05:09

And to stay with the Interface Builder only setup, one should set titleLabel.textAlignment with Number value to 1 in User Defined Runtime Attributed to make the text centered

@Daniel Springer 2018-11-22 03:20:34

Thanks to your 28 year old self from my 24 year old self!

@neoneye 2013-06-28 19:07:50

Left align on iOS7 with autolayout:

button.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
button.titleLabel.textAlignment = NSTextAlignmentLeft;
button.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;

@vially 2013-05-01 18:45:41

If you use auto-layout on iOS 6 you might also need to set the preferredMaxLayoutWidth property:

button.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
button.titleLabel.textAlignment = NSTextAlignmentCenter;
button.titleLabel.preferredMaxLayoutWidth = button.frame.size.width;

@user2338871 2013-05-01 09:50:09

Answers here tell you how to achieve multiline button title programmatically.

I just wanted to add that if you are using storyboards, you can type [Ctrl+Enter] to force a newline on a button title field.

HTH

@Valerii Hiora 2009-10-25 19:48:31

There is a much easier way:

someButton.lineBreakMode = UILineBreakModeWordWrap;

(Edit for iOS 3 and later:)

someButton.titleLabel.lineBreakMode = UILineBreakModeWordWrap;

@Christopher Pickslay 2011-01-17 23:12:21

UIButton.lineBreakMode was deprecated in 3.0, so that's no longer a good option.

@Wienke 2012-10-26 18:57:35

lineBreakMode is deprecated only as a direct property of UIButton. We are directed to "Use the lineBreakMode property of the titleLabel instead." I edited Valerii's answer accordingly. It's still a good option.

@NiKKi 2012-10-08 07:14:08

For IOS 6 :

button.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
button.titleLabel.textAlignment = NSTextAlignmentCenter;

As

UILineBreakModeWordWrap and UITextAlignmentCenter

are deprecated in IOS 6 onwards..

@Alex Cio 2015-05-08 11:42:50

Inside NSText.h in the Foundation there is no deprecated added. Its available from 6.0 but not deprecated.

@jcity 2015-12-02 00:56:06

In swift: button.titleLabel?.lineBreakMode = NSLineBreakMode.ByWordWrapping button.titleLabel?.textAlignment = NSTextAlignment.Center

@Jack 2012-05-09 18:12:27

For those who are using Xcode 4's storyboard, you can click on the button, and on the right side Utilities pane under Attributes Inspector, you'll see an option for Line Break. Choose Word Wrap, and you should be good to go.

@Matt Wolfe 2013-09-12 01:29:29

This seems to work but it doesn't center when I tried it

@makiko_fly 2011-05-11 10:04:58

It works perfectly.

Add to use this with config file like Plist, you need to use CDATA to write the multilined title, like this:

<string><![CDATA[Line1
Line2]]></string>

@unwesen 2009-03-10 13:16:10

Roll your own button class. It's by far the best solution in the long run. UIButton and other UIKit classes are very restrictive in how you can customize them.

@jpedroso 2009-03-09 14:25:47

As to Brent's idea of putting the title UILabel as sibling view, it doesn't seem to me like a very good idea. I keep thinking in interaction problems with the UILabel due to its touch events not getting through the UIButton's view.

On the other hand, with a UILabel as subview of the UIButton, I'm pretty confortable knowing that the touch events will always be propagated to the UILabel's superview.

I did take this approach and didn't notice any of the problems reported with backgroundImage. I added this code in the -titleRectForContentRect: of a UIButton subclass but the code can also be placed in drawing routine of the UIButton superview, which in that case you shall replace all references to self with the UIButton's variable.

#define TITLE_LABEL_TAG 1234

- (CGRect)titleRectForContentRect:(CGRect)rect
{   
    // define the desired title inset margins based on the whole rect and its padding
    UIEdgeInsets padding = [self titleEdgeInsets];
    CGRect titleRect = CGRectMake(rect.origin.x    + padding.left, 
                                  rect.origin.x    + padding.top, 
                                  rect.size.width  - (padding.right + padding.left), 
                                  rect.size.height - (padding.bottom + padding].top));

    // save the current title view appearance
    NSString *title = [self currentTitle];
    UIColor  *titleColor = [self currentTitleColor];
    UIColor  *titleShadowColor = [self currentTitleShadowColor];

    // we only want to add our custom label once; only 1st pass shall return nil
    UILabel  *titleLabel = (UILabel*)[self viewWithTag:TITLE_LABEL_TAG];


    if (!titleLabel) 
    {
        // no custom label found (1st pass), we will be creating & adding it as subview
        titleLabel = [[UILabel alloc] initWithFrame:titleRect];
        [titleLabel setTag:TITLE_LABEL_TAG];

        // make it multi-line
        [titleLabel setNumberOfLines:0];
        [titleLabel setLineBreakMode:UILineBreakModeWordWrap];

        // title appearance setup; be at will to modify
        [titleLabel setBackgroundColor:[UIColor clearColor]];
        [titleLabel setFont:[self font]];
        [titleLabel setShadowOffset:CGSizeMake(0, 1)];
        [titleLabel setTextAlignment:UITextAlignmentCenter];

        [self addSubview:titleLabel];
        [titleLabel release];
    }

    // finally, put our label in original title view's state
    [titleLabel setText:title];
    [titleLabel setTextColor:titleColor];
    [titleLabel setShadowColor:titleShadowColor];

    // and return empty rect so that the original title view is hidden
    return CGRectZero;
}

I did take the time and wrote a bit more about this here. There, I also point a shorter solution, though it doesn't quite fit all the scenarios and involves some private views hacking. Also there, you can download an UIButton subclass ready to be used.

@Brent Royal-Gordon 2009-03-03 12:04:43

Although it's okay to add a subview to a control, there's no guarantee it'll actually work, because the control might not expect it to be there and might thus behave poorly. If you can get away with it, just add the label as a sibling view of the button and set its frame so that it overlaps the button; as long as it's set to appear on top of the button, nothing the button can do will obscure it.

In other words:

[button.superview addSubview:myLabel];
myLabel.center = button.center;

@JakubKnejzlik 2014-08-06 14:53:04

Please, if you suggest this kind of ugly approach at least don't make mistakes in your code example :). The label shouldn't have the same center as button if it's a subview. Use myLabel.frame = button.bounds; or myLabel.center = cgPointMake(button.frame.size.with*0.5,button.frame.size.hei‌​ght*0.5)

@Brent Royal-Gordon 2014-08-08 06:49:49

@GrizzlyNetch I'm specifically advising not to add it as a subview of the button. addSubview: here adds it to button's superview, thus making it a sibling of the button, so matching their centers is correct.

@JakubKnejzlik 2014-08-08 08:16:48

Ah, my mistake! You are right, I've missed the "small" fact it's in the superview :D ... sorry :)

@Rog 2009-03-03 08:35:36

First of all, you should be aware that UIButton already has a UILabel inside it. You can set it using –setTitle:forState:.

The problem with your example is that you need to set UILabel's numberOfLines property to something other than its default value of 1. You should also review the lineBreakMode property.

@Owain Hunt 2009-03-03 11:43:47

I'm aware of the title property, but as far as I can tell it is impossible to set it to use more than one line, hence this approach. If I disable the backgroundImage, my UILabel show up, which to me suggests a bug in either bringSubviewToFront, or UIButton itself.

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