iOS-action-sheet.swift

    func showActionSheet(title:String?,
                         titleColor: UIColor = UIColor.black,
                         message: String?,
                         messageColor: UIColor = UIColor.gray,
                         backgroundColor: UIColor = UIColor.white){
        
        guard let message = message else { return }
        
        let alert = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
        
        // Background color....
        let subview = (alert.view.subviews.first?.subviews.first?.subviews.first!)! as UIView
        subview.backgroundColor = backgroundColor
        
        // Border...
        subview.layer.borderWidth = 1
        subview.layer.borderColor = UIColor.gray.cgColor
        
        // Corner Radius...
        // subview.layer.cornerRadius = 10

        // Title color
        if let title = title{
            let attributedTitle = NSAttributedString(string: title, attributes: [
                NSAttributedString.Key.foregroundColor : titleColor
                ])
            alert.setValue(attributedTitle, forKey: "attributedTitle")
        }

        // Message color
        let attributedMessage = NSAttributedString(string: message, attributes: [
            NSAttributedString.Key.foregroundColor : messageColor
            ])
        alert.setValue(attributedMessage, forKey: "attributedMessage")
   
        // Present and dismiss after 1.5 seconds
        self.present(alert, animated: true, completion: nil)
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 1.5){
            alert.dismiss(animated: true, completion: nil)
        }
    }