VisualEffectView在斯威夫特和Xcode9
问题描述:
Picture of my codeVisualEffectView在斯威夫特和Xcode9
import UIKit
class ViewController: UIViewController {
@IBOutlet var addItemView: UIView!
@IBOutlet weak var visualEffectView: UIVisualEffectView!
var effect: UIVisualEffect!
override func viewDidLoad() {
super.viewDidLoad()
effect = visualEffectView.effect
visualEffectView.effect = nil
addItemView.layer.cornerRadius = 5
}
func animateIn(){
self.view.addSubview(addItemView)
addItemView.center = self.view.center
addItemView.transform = CGAffineTransform.init(scaleX: 1.3, y: 1.3)
addItemView.alpha = 0
UIView.animate(withDuration: 0.4){
self.visualEffectView.effect = self.effect
self.addItemView.alpha = 1
self.addItemView.transform = CGAffineTransform.identity
}
}
@IBAction func sourcesButton(_ sender: Any) {
animateIn()
}
@IBAction func sourceDone(_ sender: Any) {
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
我试图做一个模糊的模式弹出当用户点击一个按钮,但由于某种原因这个代码不执行。我正在关注YouTube上的教程(Youtube Link)我将不胜感激。
答
这样,而不是创建模糊的观点:
var blurEffect = UIBlurEffect(style: UIBlurEffectStyle.Dark)
var blurEffectView = UIVisualEffectView(effect: blurEffect)
view.addSubview(blurEffectView)
,并在创建后,您可以设置阿尔法为0,并以动画为1
请注意与UIBlurEffect该动画看起来在设备上可怕的:P
您需要在此发布您的代码,以便读者可以提供建议。当您提问 – Jake
对此感到抱歉 – moyeshkhanal
你走了! LOoks现在就像一个专业问题。欢迎登机 – Jake