How do you create a UIImage View Programmatically - Swift

Question

I m trying to create a UIImage View programmatically  I have a new view and I tried doing this  let imageName    yourImage png  yourview backgroundColor   UIColor colorWithPatternImage UIImage named imageName     this did not work because I don t know what this should be yourview in the second line   Question  How do I make a UIImageView appear on the screen by coding it instead of doing it in the storyboard

User · Answer

Swift 4   First create an outlet for your UIImageView    IBOutlet var infoImage  UIImageView    Then use the image property in UIImageView  infoImage image   UIImage named   icons8-info-white

User · Answer

First you create a UIImage from your image file  then create a UIImageView from that   let imageName    yourImage png  let image   UIImage named  imageName  let imageView   UIImageView image  image     Finally you ll need to give imageView a frame and add it your view for it to be visible   imageView frame   CGRect x  0  y  0  width  100  height  200  view addSubview imageView

User · Answer

In Swift 3 0    var imageView   UIImageView     imageView    UIImageView frame CGRect x 10  y 50  width 100  height 300        imageView image   UIImage named  Test jpeg       self view addSubview imageView

User · Answer

First create UIImageView then add image in UIImageView         var imageView   UIImageView     imageView    UIImageView frame CGRectMake 10  50  100  300        imageView image   UIImage named  image jpg       self view addSubview imageView

User · Answer

You can use above in one line       let imageView   UIImageView image  UIImage named   yourImage png

User · Answer

In Swift 4 2 and Xcode 10 1        Create image view simply like this  let imgView   UIImageView   imgView frame   CGRect x  200  y  200  width  200  height  200  imgView image   UIImage named   yourimagename    Assign image to ImageView imgView imgViewCorners   view addSubview imgView   Add image to our view    Add image view properties like this This is one of the way to add properties     extension UIImageView         If you want only round corners     func imgViewCorners             layer cornerRadius   10         layer borderWidth   1 0         layer masksToBounds   true

User · Answer

Thanks  MEnnabah  just to add to your code where you are missing the   sign in the declaration statement   let someImageView  UIImageView        let theImageView   UIImageView      theImageView image   UIImage named   yourImage png      theImageView translatesAutoresizingMaskIntoConstraints   false   You need to call this property so the image is added to your view    return theImageView       Everything else is  all perfect for Swift 3

User · Answer

This answer is update to Swift 3   This is how you can add an image view programmatically where you can control the constraints   Class ViewController  UIViewController        let someImageView  UIImageView            let theImageView   UIImageView          theImageView image   UIImage named   yourImage png          theImageView translatesAutoresizingMaskIntoConstraints   false   You need to call this property so the image is added to your view        return theImageView              override func viewDidLoad            super viewDidLoad           view addSubview someImageView    This add it the view controller without constraints        someImageViewConstraints     This function is outside the viewDidLoad function that controls the constraints               do not forget the   isActive   true  after every constraint     func someImageViewConstraints             someImageView widthAnchor constraint equalToConstant  180  isActive   true         someImageView heightAnchor constraint equalToConstant  180  isActive   true         someImageView centerXAnchor constraint equalTo  view centerXAnchor  isActive   true         someImageView centerYAnchor constraint equalTo  view centerYAnchor  constant  28  isActive   true

User · Answer

Make sure to put  imageView translatesAutoresizingMaskIntoConstraints   false  Your image view will not show if you don t put that  don t ask me why

[ios] How do you create a UIImage View Programmatically - Swift

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