How to create a new uiimageview in swift?

To create a new UIImageView programmatically in Swift, we need to create a new instance of UIImageView class and then set UIImage to an image property. Like so: The code snippet above creates a new instance of UIImageView and adds an image to it. However, it is not enough to make an image display.
Similarly, how to create a uiimage view programmatically in Swift?
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!) First create UIImageView then add image in UIImageView . This answer is update to Swift 3.
In addition, how to add a shadow to a new view in Swift? To add a shadow to our new view, we need to add the following lines of code to our newView () method just below the view.backgroundColor = .blue: view. layer. shadowOffset = CGSize( width: 10, height: 10) view. layer. shadowRadius = 5 view. layer. shadowOpacity = 0.3
Accordingly, how does the UIImageView class draw its content?
The UIImageView class does not draw its content using the draw (_:) method. Use image views only to present images. To do custom drawing involving images, subclass UIView directly and draw your image there. Table 1 lists the attributes that you configure for image views in Interface Builder.
Just so, when to use uiimage to create an image?
As the docs say: "If you have an image file that will only be displayed once and wish to ensure that it does not get added to the system’s cache, you should instead create your image using UIImage(contentsOfFile:...).

20 Similar Question Found

Is there way to pinch zoom on uiimageview?

I am trying to allow a user to pinch zoom on a UIImageView (with a max and min level allowed). But for some reason the it does not work right. The image zooms a little then just bounces back.

How to programmatically set image to uiimageview?

You just need to type - "image" and you will get a suggestion box then select -"Image Literal" from list (see in attached picture) and second attached picture) which are in your image assets... or select other image from there. OK, got it working with this (creating the UIImageView programmatically):

What does uiimageview do in stack overflow?

An image view object provides a view-based container for displaying either a single image or for animating a series of images in iOS. For animating the images, the UIImageView class provides controls to set the duration and frequency of the animation. You can also start and stop the animation freely. Learn more…

Can a gif be displayed in uiimageview?

The UIImage object cannot be used for this. Even though it supports GIF images, any animation will be discarded and only the first frame will be shown. So, if you need to display an animated GIF inside an iPhone app, you're screwed. Code needs to be written... Take a look here : pliep.nl/blog/2009/04/… – fyasar Aug 2 '11 at 14:00

How to increase the size of the uiimageview?

So, second, add a constraint to the UIImageView that is of the form width = height * multiplier, where the multiplier is based on the aspect ratio of the image itself.

How to add aspect constraint to uiimageview cell?

After you load your image all you need to do is add an aspect constraint to your UIImageView. Your images cell would look something like this: While loading images into the tableView each image can be with diffrent aspect ratio. With using of SDWebImage we can get the image from url as -

How to add an image to a uiimageview?

To make our image display in the app, we will need to add it to a UIImageView. To create a new UIImageView programmatically in Swift, we need to create a new instance of UIImageView class and then set UIImage to an image property. Like so: The code snippet above creates a new instance of UIImageView and adds an image to it.

What is a uiimageview category in stack overflow?

It's a UIImageView category which handles async loading and image caching from url. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Provide details and share your research!

How to create constraint for uiimageview in purelayout?

With just a single line, we set a constraint for both the height and width of the UIImageView and all the necessary NSLayoutConstraints are created without the hassle of dealing with their huge function calls. If you’ve try to create constraints programmatically, then you must have fallen in love by now with this brilliant library.

What can i do with the uiimageview class?

For example, you can use the UIImageView class to display the contents of many standard image files, such as JPEG and PNG files. You can configure image views programmatically or in your storyboard file and change the images they display at runtime.

How to assign action for uiimageview object in swift-stack?

You can put a UIButton with a transparent background over top of the UIImageView, and listen for a tap on the button before loading the image Its a swift way of describing an option. I thought everyone knew that! – depsch ali Jul 15 '15 at 5:53 It is not a good idea to add unnecessary UI components without any real reason.

Why is my uiimageview not using the tint color?

@Banana, this is a known issue of the images not using the tint color. I had reported it to Apple a while back and they marked it as a duplicate so they definitely know about it. The workaround is to not set your UIImageView to an image on the Storyboard.

How are image objects used in uiimageview?

An image object may contain a single image or a sequence of images you intend to use in an animation. You can use image objects in several different ways: Assign an image to a UIImageView object to display the image in your interface. Use an image to customize system controls such as buttons, sliders, and segmented controls.

How to create a new instance of uiimageview?

The code snippet above creates a new instance of UIImageView and adds an image to it. However, it is not enough to make an image display. We will also need to set an image view size and add the image view as a subview to our main view.

How to set image to uiimageview in swift?

Since you have your bgImage assigned and linked as an IBOutlet, there is no need to initialize it as a UIImageView… instead all you need to do is set the image property like bgImage.image = UIImage (named: "afternoon"). After running this code, the image appeared fine since it was already assigned using the outlet.

How to assign an action to uiimageview object?

You need to add a a gesture recognizer (For tap use UITapGestureRecognizer, for tap and hold use UILongPressGestureRecognizer) to your UIImageView.

How to make rounded corners in a uiimageview?

To make image corners rounded, I will first need to create a new UIImage and set it on to a UIImageView. In Swift code snippet below, I will first do just that.

How to apply a tint to an uiimageview image?

The easiest way to apply a tint to an UIImageView image is to set the imageWithRenderingMode of the image to AlwayTemplate and then apply a tint. This only takes two lines of code to get the desired results.

How does the uiimageview class draw its content?

The UIImageView class does not draw its content using the draw (_:) method. Use image views only to present images. To do custom drawing involving images, subclass UIView directly and draw your image there. Table 1 lists the attributes that you configure for image views in Interface Builder.

How to resize uiimageview based on the size of the image?

Basically, this ensures that the image fills the UIImageView’s width and forces the UIImageView’s height to be equal to the image’s height after it scaled The solution I used is based on olearyj234’s solution, but makes having no image take up essentially no space (or more specifically the minimum iOS will accept).