swift 5 full screen image viewer
@IBAction func imageTapped(sender: UITapGestureRecognizer) {
let imageView = sender.view as! UIImageView
let newImageView = UIImageView(image: imageView.image)
newImageView.frame = UIScreen.main.bounds
newImageView.backgroundColor = .blackColor()
newImageView.contentMode = .ScaleAspectFit
newImageView.userInteractionEnabled = true
let tap = UITapGestureRecognizer(target: self, action: "dismissFullscreenImage:")
newImageView.addGestureRecognizer(tap)
self.view.addSubview(newImageView)
self.navigationController?.isNavigationBarHidden = true
self.tabBarController?.tabBar.isHidden = true
}
func dismissFullscreenImage(sender: UITapGestureRecognizer) {
self.navigationController?.isNavigationBarHidden = false
self.tabBarController?.tabBar.isHidden = false
sender.view?.removeFromSuperview()
}