UILabel

osbo.com | Xcode | UILabel

UILabel displays static text.

1. Open Xcode
2. Click File
3. Click New
4. Click Project...
5. Under iOS, click Application
6. Click Single View Application
7. Click Next
8. After Product Name, type your product name
9. After Organization Name, type your organization name or leave blank
10. After Organization Identifier, type your organization identifier
11. After Language, select Swift
12. After Devices, select Universal
13. Uncheck Use Core Data
14. Click Next
15. Select a folder
16. After Source Control, uncheck Create Git repository on
17. Click Create

1. Open ViewController.swift
2. Copy and paste code

1. Open Main.storyboard
2. Click View
3. Click Utilities
4. Click Show Object Library
5. Drag Label to View
6. Click View
7. Click Utilities
8. Click Show Connections Inspector
9. Under Referencing Outlets, after New Referencing Outlet, drag + to View Controller
10. Click interfaceBuilderLabel

1. Click Product
2. Click Run

import UIKit

class ViewController: UIViewController
{
    @IBOutlet weak var interfaceBuilderLabel: UILabel!

    override func prefersStatusBarHidden() -> Bool
    {
        return true
    }
    override func viewDidLoad()
    {
        super.viewDidLoad()
        
        self.interfaceBuilderLabel.text = "Interface Builder"
        self.view.removeConstraints(self.view.constraints())
        
        let adjustsFontSizeToFitWidthLabel = UILabel()
        adjustsFontSizeToFitWidthLabel.adjustsFontSizeToFitWidth = true
        adjustsFontSizeToFitWidthLabel.numberOfLines = 1
        adjustsFontSizeToFitWidthLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        adjustsFontSizeToFitWidthLabel.text = "Adjusts Font Size To Fit Width"
        self.view.addSubview(adjustsFontSizeToFitWidthLabel)
        self.view.addConstraint(NSLayoutConstraint(item: adjustsFontSizeToFitWidthLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: self.interfaceBuilderLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        self.view.addConstraint(NSLayoutConstraint(item: adjustsFontSizeToFitWidthLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: self.view, attribute: NSLayoutAttribute.Width, multiplier: 1/4, constant: 0))

        let attributedString = NSMutableAttributedString(string: "Attributed Text")
        attributedString.addAttribute(NSBackgroundColorAttributeName, value: UIColor.redColor(), range: NSMakeRange(0, 10))
        attributedString.addAttribute(NSForegroundColorAttributeName, value: UIColor.whiteColor(), range: NSMakeRange(0, 10))
        attributedString.addAttribute(NSFontAttributeName, value: UIFont(name: "Times New Roman", size: 24)!, range: NSMakeRange(11, 4))
        
        let attributedTextLabel = UILabel()
        attributedTextLabel.attributedText = attributedString;
        attributedTextLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        self.view.addSubview(attributedTextLabel)
        self.view.addConstraint(NSLayoutConstraint(item: attributedTextLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: adjustsFontSizeToFitWidthLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        
        let baselineAdjustmentLabel = UILabel()
        baselineAdjustmentLabel.adjustsFontSizeToFitWidth = true
        baselineAdjustmentLabel.baselineAdjustment = UIBaselineAdjustment.AlignCenters;
        baselineAdjustmentLabel.numberOfLines = 1
        baselineAdjustmentLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        baselineAdjustmentLabel.text = "Baseline Adjustment"
        self.view.addSubview(baselineAdjustmentLabel)
        self.view.addConstraint(NSLayoutConstraint(item: baselineAdjustmentLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: attributedTextLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        self.view.addConstraint(NSLayoutConstraint(item: baselineAdjustmentLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: self.view, attribute: NSLayoutAttribute.Width, multiplier: 1/4, constant: 0))

        let enabledLabel = UILabel()
        enabledLabel.enabled = false
        enabledLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        enabledLabel.text = "Disabled"
        self.view.addSubview(enabledLabel)
        self.view.addConstraint(NSLayoutConstraint(item: enabledLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: baselineAdjustmentLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))

        let fontLabel = UILabel()
        fontLabel.font = UIFont(name: "Times New Roman", size: 24)
        fontLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        fontLabel.text = "Font"
        self.view.addSubview(fontLabel)
        self.view.addConstraint(NSLayoutConstraint(item: fontLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: enabledLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))

        let highlightedLabel = UILabel()
        highlightedLabel.highlighted = true
        highlightedLabel.highlightedTextColor = UIColor.redColor()
        highlightedLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        highlightedLabel.text = "Highlighted"
        self.view.addSubview(highlightedLabel)
        self.view.addConstraint(NSLayoutConstraint(item: highlightedLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: fontLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
  
        let highlightedTextColorLabel = UILabel()
        highlightedTextColorLabel.highlighted = true
        highlightedTextColorLabel.highlightedTextColor = UIColor.redColor()
        highlightedTextColorLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        highlightedTextColorLabel.text = "Highlighted Text Color"
        self.view.addSubview(highlightedTextColorLabel)
        self.view.addConstraint(NSLayoutConstraint(item: highlightedTextColorLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: highlightedLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
  
        let lineBreakModeLabel = UILabel()
        lineBreakModeLabel.lineBreakMode = NSLineBreakMode.ByTruncatingMiddle;
        lineBreakModeLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        lineBreakModeLabel.text = "Line Break Mode"
        self.view.addSubview(lineBreakModeLabel)
        self.view.addConstraint(NSLayoutConstraint(item: lineBreakModeLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: highlightedTextColorLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        self.view.addConstraint(NSLayoutConstraint(item: lineBreakModeLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: self.view, attribute: NSLayoutAttribute.Width, multiplier: 1/4, constant: 0))

        let minimumScaleFactorLabel = UILabel()
        minimumScaleFactorLabel.adjustsFontSizeToFitWidth = true
        minimumScaleFactorLabel.minimumScaleFactor = 0.8
        minimumScaleFactorLabel.numberOfLines = 1
        minimumScaleFactorLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        minimumScaleFactorLabel.text = "Minimum Scale Factor"
        self.view.addSubview(minimumScaleFactorLabel)
        self.view.addConstraint(NSLayoutConstraint(item: minimumScaleFactorLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: lineBreakModeLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        self.view.addConstraint(NSLayoutConstraint(item: minimumScaleFactorLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: self.view, attribute: NSLayoutAttribute.Width, multiplier: 1/4, constant: 0))

        let numberOfLinesLabel = UILabel()
        numberOfLinesLabel.numberOfLines = 2
        numberOfLinesLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        numberOfLinesLabel.text = "Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines Number Of Lines"
        self.view.addSubview(numberOfLinesLabel)
        self.view.addConstraint(NSLayoutConstraint(item: numberOfLinesLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: minimumScaleFactorLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        self.view.addConstraint(NSLayoutConstraint(item: numberOfLinesLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: self.view, attribute: NSLayoutAttribute.Width, multiplier: 1, constant: 0))
        
        let preferredMaxLayoutWidthLabel = UILabel()
        preferredMaxLayoutWidthLabel.numberOfLines = 0
        preferredMaxLayoutWidthLabel.preferredMaxLayoutWidth = 200
        preferredMaxLayoutWidthLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        preferredMaxLayoutWidthLabel.text = "Preferred Max Layout Width"
        self.view.addSubview(preferredMaxLayoutWidthLabel)
        self.view.addConstraint(NSLayoutConstraint(item: preferredMaxLayoutWidthLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: numberOfLinesLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        
        let shadowColorLabel = UILabel()
        shadowColorLabel.shadowColor = UIColor.redColor()
        shadowColorLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        shadowColorLabel.text = "Shadow Color"
        self.view.addSubview(shadowColorLabel)
        self.view.addConstraint(NSLayoutConstraint(item: shadowColorLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: preferredMaxLayoutWidthLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        
        let shadowOffsetLabel = UILabel()
        shadowOffsetLabel.shadowColor = UIColor.redColor()
        shadowOffsetLabel.shadowOffset = CGSizeMake(3, 3)
        shadowOffsetLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        shadowOffsetLabel.text = "Shadow Offset"
        self.view.addSubview(shadowOffsetLabel)
        self.view.addConstraint(NSLayoutConstraint(item: shadowOffsetLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: shadowColorLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        
        let textLabel = UILabel()
        textLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        textLabel.text = "Text"
        self.view.addSubview(textLabel)
        self.view.addConstraint(NSLayoutConstraint(item: textLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: shadowOffsetLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        
        let textAlignmentLabel = UILabel()
        textAlignmentLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        textAlignmentLabel.text = "Text Alignment"
        textAlignmentLabel.textAlignment = NSTextAlignment.Right;
        self.view.addSubview(textAlignmentLabel)
        self.view.addConstraint(NSLayoutConstraint(item: textAlignmentLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: textLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        self.view.addConstraint(NSLayoutConstraint(item: textAlignmentLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: self.view, attribute: NSLayoutAttribute.Width, multiplier: 1, constant: 0))
        
        let textColorLabel = UILabel()
        textColorLabel.setTranslatesAutoresizingMaskIntoConstraints(false)
        textColorLabel.text = "Text Color"
        textColorLabel.textColor = UIColor.redColor()
        self.view.addSubview(textColorLabel)
        self.view.addConstraint(NSLayoutConstraint(item: textColorLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: textAlignmentLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
    }
}

Apple UIKit