import LRSpotlight // Cocoapods
OR
import Spotlight // Carthage

class ViewController: UIViewController {

    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        startIntro()
    }

    func startIntro() {
        let nodes = [SpotlightNode(text: "Show Spotlight on a Bar button item", target: .barButton(navigationItem.rightBarButtonItem)),
                     SpotlightNode(text: "Show Spotlight on a View", target: .view(nameLabel)),
                     SpotlightNode(text: "Show Spotlight at a point location", target: .point(CGPoint(x: 100, y: 100), radius: 50)),
                     SpotlightNode(text: "Show Spotlight on the first tab bar item", target: .tabBarItem(tabBarController, 0)),
                     SpotlightNode(text: "Show Spotlight over a rectangle", target: .rect(redView.bounds))]

            Spotlight().startIntro(from: self, withNodes: nodes)
    }
}

public protocol SpotlightDelegate: class {
    func didAdvance(to: Int, of total: Int)
    func didDismiss()
}

// Delay between spotlights (defaults to 3 seconds)
Spotlight.delay = 5.0
// Animation duration for spotlight appearance (Defaults to 0.25 seconds)
Spotlight.animationDuration = 0.1
// Alpha of the Spotlight overlay (defaults to 0.6)
Spotlight.alpha = 0.8
// Background color of the Spotlight view (defaults to black)
Spotlight.backgroundColor = .grey
// Text color inside the info view (defaults to white)
Spotlight.textColor = .green
// Font used inside the info view (defaults to Futura 18pt)
Spotlight.font = UIFont(name: "Lato", size: 18)!
// Display a background for the info text view (defaults to true)
Spotlight.showInfoBackground = true
// The info overlay has a blur effect to make it stand out and be readable across the board (defaults to light)
Spotlight.infoBackgroundEffect = .dark
// Change back and next button titles
Spotlight.backButtonTitle = "atrás"
Spotlight.nextButtonTitle = "siguiente"