Simple preview gallery UI controller with animated tranisitions

pod "PreviewTransition"

public override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return <RowsCount>
}

public override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
    return tableView.dequeueReusableCellWithIdentifier(<CellIdentifier>, forIndexPath: indexPath)
}

let images = [image_name, image_name, image_name, image_name, image_name] // image names

public override func tableView(tableView: UITableView, willDisplayCell cell: UITableViewCell, forRowAtIndexPath indexPath: NSIndexPath) {

    guard let cell = cell as? ParallaxCell else {
      return
    }

    let imageName = images[indexPath.row]

    if let image = UIImage(named: imageName) {
      cell.setImage(image, title: <SetText>)
    }
}

func backButtonHandler() {
    popViewController()
}

public override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {

  // create viewController
  let <YourViewController> = storyboard?.instantiateViewControllerWithIdentifier(<identifier>)
  if case let viewController as <YourViewController> = viewController {
     pushViewController(viewController)
  }
}

// transparent background
UINavigationBar.appearance().setBackgroundImage(UIImage(), forBarMetrics: .Default)
UINavigationBar.appearance().shadowImage = UIImage()
UINavigationBar.appearance().translucent = true
UINavigationBar.appearance().tintColor = .whiteColor()

// set font
if let font = UIFont(name: <Font name> , size: 18) {
      UINavigationBar.appearance().titleTextAttributes = [
        NSForegroundColorAttributeName : UIColor.whiteColor(),
        NSFontAttributeName : font
      ]
}