The user taps a cell, I get the touchLocation, create and then animate a new UIWindow to the center of the screen. The problem is when the new window (purple) appears on screen instead of its center being in the center of the screen, its x,y coordinate starts at the center of the screen.
I get this:
But I want this:
// the collectionView is dimmed black, that's why the background color is dark
guard let keyWindow = UIApplication.shared.keyWindow else { return }
let startingRect = CGRect(x: userTouchPointX, y: userTouchPointY, width: 10, height: 10)
let newWindow = UIWindow(frame: startingRect)
newWindow.backgroundColor = .clear
newWindow.windowLevel = UIWindow.Level.normal
newWindow.rootViewController = UINavigationController(rootViewController: PurpleVC())
newWindow.isHidden = false
newWindow.makeKey()
let endingCenterX = keyWindow.screen.bounds.midX // I also tried keyWindow.frame.width / 2 and also UIScreen.main.bounds.width / 2
let endingCenterY = keyWindow.screen.bounds.midY // I also tried keyWindow.frame.height / 2 and also UIScreen.main.bounds.height / 2
let endingWidth = keyWindow.frame.width
let endingHeight: CGFloat = 200
let endingCenter = CGPoint(x: endingCenterX, y: endingCenterY)
UIView.animate(withDuration: 0.4, delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 1, options: [.curveEaseIn], animations: {
newWindow.center = endingCenter
newWindow.frame.size.width = endingWidth
newWindow.frame.size.height = endingHeight
}) { (_) in
newWindow.layoutIfNeeded()
}
Change your center After setting the frame of the window will solve your issue ... hopefully it will help
// newWindow.center = endingCenter remove from here
newWindow.frame.size.width = endingWidth
newWindow.frame.size.height = endingHeight
newWindow.center = endingCenter // add it here