Codigo de Ejercicio:

RADIO ESTACION

Clases y metodos

//  RadioStation.swift
//  RadioStations

//Jehovani de Jesus Chavez Segovia 2561842011

//Radio estacion

import UIKit

class RadioStation {
     
    
    var name: String
    var frequency: Double
    
    
    init() {
        name="Default"
        frequency=100
    }
    
    class func minAMFrequency() -> Double {
        return 520.0
    }
    
    class func maxAMFrequency() -> Double {
        return 1610.0
    }
    
    class func minFMFrequency() -> Double {
        return 88.3
    }
    
    class func maxFMFrequency() -> Double {
        return 107.9
    }
    
    func band() ->Int {
        if frequency >= RadioStation.minFMFrequency() && frequency <= RadioStation.maxFMFrequency() {
            return 1 //FM
        } else {
            return 0 //AM
        }
    }
    
}

                            

Metodos en ViewController

//  ViewController.swift
//  RadioStations

//Jehovani de Jesus Chavez Segovia 2561842011

//Radio estacion

import UIKit

class ViewController: UIViewController {

    var myStation: RadioStation
    
    @IBOutlet var stationName : UILabel!
    @IBOutlet var stationFrequency : UILabel!
    @IBOutlet var stationBand : UILabel!
    
    required init(coder aDecoder: NSCoder) {
        
        myStation = RadioStation()
        myStation.frequency=102.5
        myStation.name = "Knix"
        super.init(coder: aDecoder)
    }

    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.
    }

    @IBAction func buttonClick(sender: AnyObject) {
        stationName.text = myStation.name
        stationFrequency.text = String(format:"%f", myStation.frequency)
        
        if myStation.frequency >= RadioStation.minFMFrequency() && myStation.frequency <= RadioStation.maxFMFrequency() {
            stationBand.text = "FM"
        } else {
            stationBand.text = "AM"
        }
        
    }
 
}

   

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