static func showToast(message : String,view:UIView) {
let toastContainer = UIView(frame: CGRect())
toastContainer.backgroundColor = UIColor.black.withAlphaComponent(0.6)
toastContainer.alpha = 0.0
toastContainer.layer.cornerRadius = 25;
toastContainer.clipsToBounds = true
let toastLabel = UILabel(frame: CGRect())
toastLabel.textColor = UIColor.white
toastLabel.textAlignment = .center;
toastLabel.font.withSize(12.0)
toastLabel.text = message
toastLabel.clipsToBounds = true
toastLabel.numberOfLines = 0
toastContainer.addSubview(toastLabel)
view.addSubview(toastContainer)
toastLabel.translatesAutoresizingMaskIntoConstraints = false
toastContainer.translatesAutoresizingMaskIntoConstraints = false
let a1 = NSLayoutConstraint(item: toastLabel, attribute: .leading, relatedBy: .equal, toItem: toastContainer, attribute: .leading, multiplier: 1, constant: 15)
let a2 = NSLayoutConstraint(item: toastLabel, attribute: .trailing, relatedBy: .equal, toItem: toastContainer, attribute: .trailing, multiplier: 1, constant: -15)
let a3 = NSLayoutConstraint(item: toastLabel, attribute: .bottom, relatedBy: .equal, toItem: toastContainer, attribute: .bottom, multiplier: 1, constant: -15)
let a4 = NSLayoutConstraint(item: toastLabel, attribute: .top, relatedBy: .equal, toItem: toastContainer, attribute: .top, multiplier: 1, constant: 15)
toastContainer.addConstraints([a1, a2, a3, a4])
let c1 = NSLayoutConstraint(item: toastContainer, attribute: .leading, relatedBy: .equal, toItem: view, attribute: .leading, multiplier: 1, constant: 65)
let c2 = NSLayoutConstraint(item: toastContainer, attribute: .trailing, relatedBy: .equal, toItem: view, attribute: .trailing, multiplier: 1, constant: -65)
let c3 = NSLayoutConstraint(item: toastContainer, attribute: .bottom, relatedBy: .equal, toItem: view, attribute: .bottom, multiplier: 1, constant: -75)
view.addConstraints([c1, c2, c3])
UIView.animate(withDuration: 0.5, delay: 0.0, options: .curveEaseIn, animations: {
toastContainer.alpha = 1.0
}, completion: { _ in
UIView.animate(withDuration: 0.5, delay: 1.5, options: .curveEaseOut, animations: {
toastContainer.alpha = 0.0
}, completion: {_ in
toastContainer.removeFromSuperview()
})
})
}