1
import UIKit
class ViewController: UIViewController {
@IBOutlet weak var myView: UIView!
override func viewDidLoad() {
super.viewDidLoad()
let url = NSURL(string: "http://blogs.independent.co.uk/wp-content/uploads/2012/12/some-girls.jpg")
var image : UIImage? = nil
if let data = NSData(contentsOfURL: url!) {
image = UIImage(data: data)
}
let myLayer = CALayer()
myLayer.anchorPoint = CGPoint(x: 0, y: 0)
myLayer.bounds = CGRectMake(0, 0, self.view.bounds.width, self.view.bounds.height)
myLayer.position = CGPoint(x: 0,y: 0)
myLayer.borderColor = UIColor.redColor().CGColor
myLayer.borderWidth = 2.0
// the image is not displayed
myLayer.contents = image
print(myLayer.contents)
myView.layer.addSublayer(myLayer)
myView.layer.opacity = 0.3
}
}
UIImage没有显示为什么?代码有什么问题?请帮助任何人谁是在核心动画和斯威夫特CALayer内容不能在Swift2中显示
哦,谢谢你的工作完美。 –