How to set top-left alignment for UILabel for iOS application

Question

I have added one label in my nib file  then its required to have top-left alignment for that lable  As I am providing text at runtime so its not sure that how much lines there are  So if text contains only single line then it appears as vertical-center aligned  That alignment is not matching with my respective lable in front of it   For example     Which is looking odd     Is there any way where i can set label text proper to Top-Left alignment

User · Answer

Swift 2 0    Using UILabel Extension  Make constant enum values in a empty Swift file       AppRef swift  import UIKit import Foundation  enum UILabelTextPositions   String     case VERTICAL ALIGNMENT TOP    VerticalAlignmentTop   case VERTICAL ALIGNMENT MIDDLE    VerticalAlignmentMiddle   case VERTICAL ALIGNMENT BOTTOM    VerticalAlignmentBottom       Using UILabel Extension   Make a empty Swift class and name it  Add the following       AppExtensions swift  import Foundation import UIKit      extension UILabel        func makeLabelTextPosition  sampleLabel  UILabel   positionIdentifier   String  - gt  UILabel              let rect   sampleLabel  textRectForBounds bounds  limitedToNumberOfLines  0         switch positionIdentifier               case  VerticalAlignmentTop          sampleLabel  frame   CGRectMake bounds origin x 5  bounds origin y  rect size width  rect size height         break         case  VerticalAlignmentMiddle          sampleLabel  frame   CGRectMake bounds origin x 5 bounds origin y    bounds size height - rect size height    2          rect size width  rect size height          break         case  VerticalAlignmentBottom          sampleLabel  frame   CGRectMake bounds origin x 5  bounds origin y    bounds size height - rect size height  rect size width  rect size height          break         default         sampleLabel  frame   bounds         break                return sampleLabel                  Usage    myMessageLabel makeLabelTextPosition messageLabel  positionIdentifier  UILabelTextPositions VERTICAL ALIGNMENT TOP rawValue

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I have this problem to but my label was in UITableViewCell  and in fund that the easiest way to solve the problem was to create an empty UIView and set the label inside it with constraints to the top and to the left side only  on off curse set the number of lines to 0

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you can also just change your UILabel to UITextView  because they basically do the same thing except the advantage of UITextView is that text is automatically aligned to the top left

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Swift 5  It  s simple  the order of the properties is everything   titleLabel frame   CGRect x  20  y  20  width  374  height  291 2  titleLabel backgroundColor   UIColor clear   set a light color to see the frame titleLabel textAlignment    left titleLabel lineBreakMode    byTruncatingTail titleLabel numberOfLines   4 titleLabel font   UIFont name   HelveticaNeue-Bold   size  35  titleLabel text    Example  titleLabel sizeToFit   self view addSubview titleLabel

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It s fairly easy to do  Create a UILabel sublcass with a verticalAlignment property and override textRectForBounds limitedToNumberOfLines to return the correct bounds for a top  middle or bottom vertical alignment  Here s the code   SOLabel h   import  lt UIKit UIKit h gt   typedef enum       VerticalAlignmentTop   0     default     VerticalAlignmentMiddle      VerticalAlignmentBottom    VerticalAlignment    interface SOLabel   UILabel      property  nonatomic  readwrite  VerticalAlignment verticalAlignment    end   SOLabel m   implementation SOLabel  - id initWithFrame  CGRect frame       self    super initWithFrame frame       if   self  return nil          set inital value via IVAR so the setter isn t called      verticalAlignment   VerticalAlignmentTop       return self     - VerticalAlignment  verticalAlignment       return  verticalAlignment     - void  setVerticalAlignment  VerticalAlignment value        verticalAlignment   value       self setNeedsDisplay         align text block according to vertical alignment settings - CGRect textRectForBounds  CGRect bounds      limitedToNumberOfLines  NSInteger numberOfLines      CGRect rect    super textRectForBounds bounds                     limitedToNumberOfLines numberOfLines       CGRect result      switch   verticalAlignment               case VerticalAlignmentTop            result   CGRectMake bounds origin x  bounds origin y                                 rect size width  rect size height              break          case VerticalAlignmentMiddle            result   CGRectMake bounds origin x                       bounds origin y    bounds size height - rect size height    2                      rect size width  rect size height             break          case VerticalAlignmentBottom            result   CGRectMake bounds origin x                       bounds origin y    bounds size height - rect size height                       rect size width  rect size height             break          default            result   bounds            break            return result     - void drawTextInRect  CGRect rect       CGRect r    self textRectForBounds rect                  limitedToNumberOfLines self numberOfLines        super drawTextInRect r       end

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How to set top-left alignment for UILabel for iOS application  Label Set Content Mode to  Top Left  work for me  thank you very much

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I found a solution using AutoLayout in StoryBoard   1  Set no of lines to 0 and text alignment to Left     2  Set height constraint     3  The height Constraint should be in Relation - Less Than or Equal    4       override func viewWillLayoutSubviews             sampleLabel sizeToFit           I got the result as follows

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For iOS 7 that s what i made and worked for me    implementation UILabel  VerticalAlign  -  void alignTop       CGSize boundingRectSize   CGSizeMake self frame size width  CGFLOAT MAX       NSDictionary  attributes     NSFontAttributeName   self font       CGRect labelSize    self text boundingRectWithSize boundingRectSize options NSStringDrawingUsesLineFragmentOrigin   NSStringDrawingUsesFontLeading                                               attributes attributes                                                  context nil       int numberOfLines  ceil labelSize size height   self font lineHeight        CGRect newFrame   self frame      newFrame size height   numberOfLines   self font lineHeight      self frame   newFrame     -  void alignBottom       CGSize boundingRectSize   CGSizeMake self frame size width  CGFLOAT MAX       NSDictionary  attributes     NSFontAttributeName   self font       CGRect labelSize    self text boundingRectWithSize boundingRectSize options NSStringDrawingUsesLineFragmentOrigin   NSStringDrawingUsesFontLeading                                             attributes attributes                                                context nil       int numberOfLines  ceil labelSize size height   self font lineHeight        int numberOfNewLined    self frame size height self font lineHeight  - numberOfLines       NSMutableString  newLines    NSMutableString string       for int i 0  i lt  numberOfNewLined  i              newLines appendString    n               newLines appendString self text       self text    newLines mutableCopy

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As you are using the interface builder  set the constraints for your label  be sure to set the height and width as well   Then in the Size Inspector  check the height for the label  There you will want it to read    instead of    Then in the implementation for that view controller  set the number of lines to 0  can also be done in IB  and set the label  label sizeToFit   and as your text gains length  the label will grow in height and keep your text in the upper left

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totiG s answer is correct and solved my problem  But I found a problem while implementing this method  in smaller devices like 5s   SE  this doesn t work for me  I have to set label sizeToFit   in override func layoutSubViews    override func layoutSubViews         super layoutSubViews          Do other works if needed     label sizeToFit

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Swift 3 version of  totiG s answer  class UIVerticalAlignLabel  UILabel       enum VerticalAlignment   Int           case VerticalAlignmentTop   0         case VerticalAlignmentMiddle   1         case VerticalAlignmentBottom   2             IBInspectable var verticalAlignment   VerticalAlignment    VerticalAlignmentTop           didSet               setNeedsDisplay                        required init  coder aDecoder  NSCoder            super init coder  aDecoder             override func textRect forBounds bounds  CGRect  limitedToNumberOfLines  Int  - gt  CGRect           let rect   super textRect forBounds  bounds  limitedToNumberOfLines  limitedToNumberOfLines           switch verticalAlignment            case  VerticalAlignmentTop              return CGRect x  bounds origin x  y  bounds origin y  width  rect size width  height  rect size height          case  VerticalAlignmentMiddle              return CGRect x  bounds origin x  y  bounds origin y    bounds size height - rect size height    2  width  rect size width  height  rect size height          case  VerticalAlignmentBottom              return CGRect x  bounds origin x  y  bounds origin y    bounds size height - rect size height   width  rect size width  height  rect size height                       override func drawText in rect  CGRect            let r   self textRect forBounds  rect  limitedToNumberOfLines  self numberOfLines          super drawText in  r

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Building on top of totiG s awesome answer  I have created an IBDesignable class that makes it extremely easy to customize a UILabel s vertical alignment right from the StoryBoard  Just make sure that you set your UILabel s class to  VerticalAlignLabel  from the StoryBoard identity inspector  If the vertical alignment doesn t take effect  go to Editor- Refresh All Views which should do the trick    How it works  Once you set your UILabel s class correctly  the storyboard should show you an input field that takes an integer  alignment code    Update  I ve added support for centered labels  Sev    Enter 0 for Top Alignment  Enter 1 for Middle Alignment  Enter 2 for Bottom Alignment   x000D   x000D       IBDesignable class VerticalAlignLabel  UILabel   x000D       x000D       IBInspectable var alignmentCode  Int   0   x000D          didSet   x000D              applyAlignmentCode   x000D            x000D        x000D       x000D      func applyAlignmentCode     x000D          switch alignmentCode   x000D          case 0  x000D              verticalAlignment    top x000D          case 1  x000D              verticalAlignment    topcenter x000D          case 2  x000D              verticalAlignment    middle x000D          case 3  x000D              verticalAlignment    bottom x000D          default  x000D              break x000D            x000D        x000D       x000D      override func awakeFromNib     x000D          super awakeFromNib   x000D          self applyAlignmentCode   x000D        x000D       x000D      override func prepareForInterfaceBuilder     x000D          super prepareForInterfaceBuilder   x000D           x000D          self applyAlignmentCode   x000D        x000D       x000D      enum VerticalAlignment   x000D          case top x000D          case topcenter x000D          case middle x000D          case bottom x000D        x000D       x000D      var verticalAlignment   VerticalAlignment    top   x000D          didSet   x000D              setNeedsDisplay   x000D            x000D        x000D       x000D      override public func textRect forBounds bounds  CGRect  limitedToNumberOfLines  Int  - gt  CGRect   x000D          let rect   super textRect forBounds  bounds  limitedToNumberOfLines  limitedToNumberOfLines  x000D           x000D          if  available iOS 9 0       x000D              if UIView userInterfaceLayoutDirection for   unspecified      rightToLeft   x000D                  switch verticalAlignment   x000D                  case  top  x000D                      return CGRect x  self bounds size width - rect size width  y  bounds origin y  width  rect size width  height  rect size height  x000D                  case  topcenter  x000D                      return CGRect x  self bounds size width -  rect size width   2   y  bounds origin y  width  rect size width  height  rect size height  x000D                  case  middle  x000D                      return CGRect x  self bounds size width - rect size width  y  bounds origin y    bounds size height - rect size height    2  width  rect size width  height  rect size height  x000D                  case  bottom  x000D                      return CGRect x  self bounds size width - rect size width  y  bounds origin y    bounds size height - rect size height   width  rect size width  height  rect size height  x000D                    x000D                else   x000D                  switch verticalAlignment   x000D                  case  top  x000D                      return CGRect x  bounds origin x  y  bounds origin y  width  rect size width  height  rect size height  x000D                  case  topcenter  x000D                      return CGRect x   self bounds size width   2   -  rect size width   2   y  bounds origin y  width  rect size width  height  rect size height  x000D                  case  middle  x000D                      return CGRect x  bounds origin x  y  bounds origin y    bounds size height - rect size height    2  width  rect size width  height  rect size height  x000D                  case  bottom  x000D                      return CGRect x  bounds origin x  y  bounds origin y    bounds size height - rect size height   width  rect size width  height  rect size height  x000D                    x000D                x000D            else   x000D                 Fallback on earlier versions x000D              return rect x000D            x000D        x000D       x000D      override public func drawText in rect  CGRect    x000D          let r   self textRect forBounds  rect  limitedToNumberOfLines  self numberOfLines  x000D          super drawText in  r  x000D        x000D    x000D   x000D   x000D

User · Answer

If what you need is non-editable text that by default starts at the top left corner you can simply use a Text View instead of a label and then set its state to non-editable  like this   textview isEditable   false   Way easier than messing with the labels     Cheers

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Rather than re-explaining  I will link to this rather extensive  amp  highly rated question answer   Vertically align text to top within a UILabel  The short answer is no  Apple didn t make this easy  but it is possible by changing the frame size

User · Answer

I found another solution for the same problem  I used UITextView instead of UILabel and switched editable   function to false

User · Answer

I was also having this problem but what I found was the the order in which you set the UILabel s properties and methods matters   If you call  label sizeToFit  before label font    UIFont fontWithName   Helvetica  size 14   then the text does not align to the top but if you swap them around then it does   I also noticed that setting the text first makes a difference too   Hope this helps

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The SOLabel works for me   Swift 3  amp  5   This version has been updated from the original to allow support for RTL languages   public class VerticalAlignLabel  UILabel       enum VerticalAlignment           case top         case middle         case bottom            var verticalAlignment   VerticalAlignment    top           didSet               setNeedsDisplay                        override public func textRect forBounds bounds  CGRect  limitedToNumberOfLines  Int  - gt  CGRect           let rect   super textRect forBounds  bounds  limitedToNumberOfLines  limitedToNumberOfLines           if UIView userInterfaceLayoutDirection for   unspecified      rightToLeft               switch verticalAlignment               case  top                  return CGRect x  self bounds size width - rect size width  y  bounds origin y  width  rect size width  height  rect size height              case  middle                  return CGRect x  self bounds size width - rect size width  y  bounds origin y    bounds size height - rect size height    2  width  rect size width  height  rect size height              case  bottom                  return CGRect x  self bounds size width - rect size width  y  bounds origin y    bounds size height - rect size height   width  rect size width  height  rect size height                          else               switch verticalAlignment               case  top                  return CGRect x  bounds origin x  y  bounds origin y  width  rect size width  height  rect size height              case  middle                  return CGRect x  bounds origin x  y  bounds origin y    bounds size height - rect size height    2  width  rect size width  height  rect size height              case  bottom                  return CGRect x  bounds origin x  y  bounds origin y    bounds size height - rect size height   width  rect size width  height  rect size height                                     override public func drawText in rect  CGRect            let r   self textRect forBounds  rect  limitedToNumberOfLines  self numberOfLines          super drawText in  r            Swift 1   class UIVerticalAlignLabel  UILabel    enum VerticalAlignment   Int       case VerticalAlignmentTop   0     case VerticalAlignmentMiddle   1     case VerticalAlignmentBottom   2    var verticalAlignment   VerticalAlignment    VerticalAlignmentTop       didSet           setNeedsDisplay            required init coder aDecoder  NSCoder       super init coder  aDecoder     override func textRectForBounds bounds  CGRect  limitedToNumberOfLines  Int  - gt  CGRect       let rect   super textRectForBounds bounds  limitedToNumberOfLines  limitedToNumberOfLines       switch verticalAlignment            case  VerticalAlignmentTop              return CGRectMake bounds origin x  bounds origin y  rect size width  rect size height          case  VerticalAlignmentMiddle              return CGRectMake bounds origin x  bounds origin y    bounds size height - rect size height    2  rect size width  rect size height          case  VerticalAlignmentBottom              return CGRectMake bounds origin x  bounds origin y    bounds size height - rect size height   rect size width  rect size height          default              return bounds          override func drawTextInRect rect  CGRect        let r   self textRectForBounds rect  limitedToNumberOfLines  self numberOfLines      super drawTextInRect r

User · Answer

Solution with SoLabel works   Thanks   Bellow I have added monotouch version       public class UICustomLabel   UILabel       private UITextVerticalAlignment  textVerticalAlignment       public UICustomLabel                 TextVerticalAlignment   UITextVerticalAlignment Top             public UITextVerticalAlignment TextVerticalAlignment               get                       return  textVerticalAlignment                    set                        textVerticalAlignment   value              SetNeedsDisplay                         public override void DrawText RectangleF rect                var bound   TextRectForBounds rect  Lines           base DrawText bound              public override RectangleF TextRectForBounds RectangleF bounds  int numberOfLines                var rect   base TextRectForBounds bounds  numberOfLines           RectangleF resultRect          switch  TextVerticalAlignment                        case UITextVerticalAlignment Top                  resultRect   new RectangleF bounds X  bounds Y  rect Size Width  rect Size Height                   break              case UITextVerticalAlignment Middle                  resultRect   new RectangleF bounds X                                              bounds Y    bounds Size Height - rect Size Height  2                                              rect Size Width  rect Size Height                   break              case UITextVerticalAlignment Bottom                  resultRect   new RectangleF bounds X                                              bounds Y    bounds Size Height - rect Size Height                                               rect Size Width  rect Size Height                   break               default                  resultRect   bounds                  break                     return resultRect           public enum UITextVerticalAlignment       Top   0     default     Middle      Bottom

User · Answer

The simplest and easiest way is to embed Label in StackView and setting StackView s Axis to  Horizontal  Alignment to Top in Attribute Inspector from Storyboard like shown here

User · Answer

In my case  it was bottom space constraint issue  I had set it to   16   When I set it to bottom to  gt   16  this issue got solved   Also  if you have any height constraint in the label  then you need to remove it   Here s my label s constraint view in the size inspector

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In your code  label text     some text    label sizeToFit     Beware that if you use that in table cells or other views that get recycled with different data  you ll need to store the original frame somewhere and reset it before calling sizeToFit

[iphone] How to set top-left alignment for UILabel for iOS application?

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