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我在故事板中創建了一個模式彈出框,以便在單擊圖像時會彈出該圖像,但可調整大小。我只想讓彈出窗口等於超級視圖的大小(以編程方式)。如何將模態彈出窗口大小更改爲等於其超級視圖大小?
如果需要,我會提供額外的代碼。
@IBOutlet var imageView: UIView!
@IBOutlet weak var scrollView: UIScrollView!
@IBOutlet weak var zoomImageView: UIImageView!
@IBOutlet weak var backgroundButton: UIButton!
override func viewDidLoad() {
super.viewDidLoad()
self.navigationController?.setNavigationBarHidden(true, animated: false)
imageView.layer.cornerRadius = 10
imageView.layer.masksToBounds = true
self.scrollView.minimumZoomScale = 1.0
self.scrollView.maximumZoomScale = 6.0
}
func viewForZooming(in scrollView: UIScrollView) -> UIView? {
return self.zoomImageView
}
override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
if UIDevice.current.orientation.isLandscape{
imageView.center = self.view.center
imageView.frame = view.frame
} else if UIDevice.current.orientation.isPortrait{
imageView.center = self.view.center
imageView.frame = view.frame
}
}
@IBAction func showImageView(_ sender: Any) {
animateIn()
}
@IBAction func closeImageView(_ sender: Any) {
animateOut()
}
func animateIn() {
self.scrollView.zoomScale = 1.0
self.view.addSubview(imageView)
imageView.center = self.view.center
imageView.transform = CGAffineTransform.init(scaleX: 1.3, y: 1.3)
imageView.alpha = 0
self.backgroundButton.alpha = 0.7
UIView.animate(withDuration: 0.4) {
self.imageView.alpha = 1
self.imageView.transform = CGAffineTransform.identity
}
}
func animateOut() {
UIView.animate(withDuration: 0.3, animations: {
self.imageView.transform = CGAffineTransform.init(scaleX: 1.3, y: 1.3)
self.imageView.alpha = 0
self.backgroundButton.alpha = 0
}) { (success:Bool) in
self.imageView.removeFromSuperview()
}
}
}
任何幫助將不勝感激。
請提供驗證碼。它有助於回答! – dfd
其實我只是想通了。我會發布我的答案。這是真正簡單的東西(有點想)。 –
我給出的答案似乎有一個小問題。雖然子視圖在點擊圖像時確實調整大小,但手機旋轉似乎與調整大小有關。下次圖像被點擊時,它不是一個合適的大小(但更小)。 –