Swift - UIBlurEffect - Modal with Dismiss

BlurEffectModal.swift

import UIKit
import QuartzCore

class ViewController: UIViewController {
    
    var eView: UIVisualEffectView?
    
    @IBAction func blurOut(sender: UIVisualEffectView) {
        //eView?.removeFromSuperview()
        var removeTransition = CATransition()
        removeTransition.type = "moveIn"
        removeTransition.subtype = "fromBottom"
        eView!.layer.addAnimation(removeTransition, forKey: kCATransitionFade)
        eView!.removeFromSuperview()
    }
    
        @IBAction func blurUp(){
        
        let offsetFromCenter : Float = 90
        let offsetFromSides : Float = 0
        let borderColor = UIColor.whiteColor().colorWithAlphaComponent(1).CGColor
        let borderWidth : Float = 2

        // Create blur background
        var blur: UIBlurEffect = UIBlurEffect(style: .Light)
        var effectView: UIVisualEffectView = UIVisualEffectView(effect: blur)
        effectView.frame = view.frame
        
        // Create vibrant background for text
        var vibrancyEffect = UIVibrancyEffect(forBlurEffect: blur)
        var vibrancyEffectView = UIVisualEffectView(effect: vibrancyEffect)
        vibrancyEffectView.frame = effectView.frame
        
        // Label for vibrant text
        var vibrantLabel = UILabel()
        vibrantLabel.text = "Vibrant"
        vibrantLabel.font = UIFont.systemFontOfSize(72.0)
        vibrantLabel.sizeToFit()
        vibrantLabel.center = CGPoint(x: view.center.x, y: 72)
        
        // Button for dismiss view
        var vibrantButton = UIButton()
        vibrantButton.setTitle("Dismiss", forState: .Normal)
        vibrantButton.frame = CGRectMake(0,0,100,30)
        vibrantButton.sizeToFit()
        vibrantButton.center = CGPoint(x: view.center.x, y: view.center.y + view.center.y - 30)
        vibrantButton.addTarget(self, action: "blurOut:", forControlEvents: .TouchUpInside)
        
        // Image for view
        var image: UIImage = UIImage(named: "4965200407_07f7220c18_q.jpg")
        var imageView = UIImageView(image: image)
        imageView.sizeToFit()
        imageView.center = CGPoint(x: view.center.x, y: view.center.y - offsetFromCenter)
        imageView.layer.cornerRadius = imageView.frame.size.width / 2
        imageView.clipsToBounds = true
        imageView.layer.borderWidth = borderWidth
        imageView.layer.borderColor = borderColor
        
        // View for additional content
        var conView: UIView = UIView()
        conView.frame = CGRectMake(0,0, view.bounds.width - offsetFromSides, view.bounds.height / 2)
        conView.backgroundColor = UIColor.whiteColor().colorWithAlphaComponent(0.5)
        conView.center = CGPoint(x: view.center.x, y: view.center.y + conView.frame.height/2 - offsetFromCenter )
//        conView.layer.borderColor = borderColor
//        conView.layer.borderWidth = borderWidth
//        conView.layer.cornerRadius = 10

        
        // Label for additional content
        var conLabel: UILabel = UILabel(frame: conView.bounds)
        conLabel.text = "Content Text!!"
        conLabel.textAlignment = .Center
        conLabel.textColor = UIColor.whiteColor()
        conLabel.font = UIFont.systemFontOfSize(12)
        conLabel.adjustsFontSizeToFitWidth = true
        conLabel.center = conView.center
        
        // Add transition effect
        var effectTransition = CATransition()
        effectTransition.type = "moveIn"
        effectTransition.subtype = "fromTop"
        
        // Add label to the vibrancy view
        vibrancyEffectView.contentView.addSubview(vibrantLabel)
        
        // Add buttton to the vibrancy view
        vibrancyEffectView.contentView.addSubview(vibrantButton)
        
        // Add the vibrancy view to the blur view
        effectView.contentView.addSubview(vibrancyEffectView)
       
        // Add content view to the vibrancy view
        effectView.contentView.addSubview(conView)
        
        // Add label to content subview
        effectView.contentView.addSubview(conLabel)
        
        // Add image to the vibrancy view
        effectView.contentView.addSubview(imageView)
        
        // Add the view to window
        effectView.layer.addAnimation(effectTransition, forKey: kCATransitionReveal)
        eView = effectView
        view.addSubview(eView)

    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
}