Swift version: 5.6
You can get an instant Cover Flow effect on iOS by using the marvelous and free iCarousel library. You can download it from https://github.com/nicklockwood/iCarousel and drop it into your Xcode project fairly easily by adding a bridging header (it's written in Objective-C).
If you haven't added Objective-C code to a Swift project before, follow these steps:
#import "iCarousel.h"
Once you've added iCarousel to your project you can start using it. Make sure you conform to both the iCarouselDelegate
and iCarouselDataSource
protocols.
Here's a complete, albeit simplified, example:
override func viewDidLoad() {
super.viewDidLoad()
let carousel = iCarousel(frame: CGRect(x: 0, y: 0, width: 300, height: 200))
carousel.dataSource = self
carousel.type = .coverFlow
view.addSubview(carousel)
}
func numberOfItems(in carousel: iCarousel) -> Int {
return 10
}
func carousel(_ carousel: iCarousel, viewForItemAt index: Int, reusing view: UIView?) -> UIView {
let imageView: UIImageView
if view != nil {
imageView = view as! UIImageView
} else {
imageView = UIImageView(frame: CGRect(x: 0, y: 0, width: 128, height: 128))
}
imageView.image = UIImage(named: "example")
return imageView
}
That example loads the same image for all 10 carousel slides, so you'll need to change that to load data from your app.
If you have the time, do check out the other carousel types that iCarousel offers – they're quite remarkable!
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Available from iOS 5.0
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.
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