NSUserDefaults.swift

import UIKit
import AudioToolbox
import AVFoundation

class ViewController: UIViewController {
    
    //Properties
    @IBOutlet weak var countLabel: UILabel!
    @IBOutlet var countView: UIView!
    @IBOutlet var minusButton: UIButton!
    @IBOutlet var plusButton: UIButton!
    @IBOutlet var resetButton: UIButton!
    
    //Sound Variables
    
    var plusSound = AVAudioPlayer()
    var plusSoundLong = AVAudioPlayer()
    var minusSound = AVAudioPlayer()
    var minusSoundLong = AVAudioPlayer()
    var resetSound = AVAudioPlayer()
    var count = 0
    
    //----------------------------------
    //Initial setup
    //----------------------------------
    
    override func viewDidLoad() {
        super.viewDidLoad()

        initialSetup()

        //Button style
        minusButton.layer.cornerRadius = 8
        plusButton.layer.cornerRadius = 8
        resetButton.layer.cornerRadius = 8
        
        //Setup audio files
        minusSound = setupAudioPlayerWithFile("minusSound", type:"wav")
        minusSoundLong = setupAudioPlayerWithFile("minusSoundLong", type:"wav")
        plusSound = setupAudioPlayerWithFile("plusSound", type:"wav")
        plusSoundLong = setupAudioPlayerWithFile("plusSoundLong", type:"wav")
        resetSound = setupAudioPlayerWithFile("resetSound", type:"wav")
    }
    
    //----------------------------------
    // bounce animates a view to indicate a hit
    
    func bounce(bounceView:UIView) {
        UIView.animateWithDuration(0.12) {
            bounceView.transform = CGAffineTransformMakeScale(0.8, 0.8)
            bounceView.alpha = 0.8
         
            UIView.animateWithDuration(0.12) {
                bounceView.transform = CGAffineTransformMakeScale(1, 1)
                bounceView.alpha = 1
            }
        }
    }
    
    //----------------------------------
        
    func initialSetup() {
        updateCount(NSUserDefaults.standardUserDefaults().integerForKey("countRestore"))
    }

    //----------------------------------
    // Updates the count and persists it in userdefaults
    
    func updateCount(count: Int) {
        self.count = count
        self.countLabel.text = "\(count)"
        NSUserDefaults.standardUserDefaults().setInteger(count, forKey: "countRestore")
        NSUserDefaults.standardUserDefaults().synchronize()
    }
    
    //Minus button
    
    @IBAction func countMinus() {
        updateCount(count-1)
        
        minusSound.play()
    }
    
    //----------------------------------
    //Long minus
    
    @IBAction func longMinus(sender: AnyObject) {
        if sender.state == UIGestureRecognizerState.Began {
            updateCount(count-5)
            
            minusSoundLong.play()
            AudioServicesPlaySystemSound(SystemSoundID(kSystemSoundID_Vibrate))
            
            bounce(minusButton)
        }
    }
    
    //----------------------------------
    //Plus button
    
    @IBAction func countPlus() {
        updateCount(count+1)
        plusSound.play()
    }
    
    //----------------------------------
    //Long plus
    
    @IBAction func longPlus(sender: AnyObject) {
        if sender.state == UIGestureRecognizerState.Began {
            updateCount(count+5)
            plusSoundLong.play()
            AudioServicesPlaySystemSound(SystemSoundID(kSystemSoundID_Vibrate))
            
            bounce(plusButton)
        }
    }
    
    //----------------------------------
    //Reset button
    
    @IBAction func resetCount() {
        updateCount(0)
        
        bounce(resetButton)
        
        resetSound.play()
        
        AudioServicesPlayAlertSound(SystemSoundID(kSystemSoundID_Vibrate))
        
        UIView.animateWithDuration(0.12) {
            self.countLabel.transform = CGAffineTransformMakeScale(1.5, 1.5)
            self.countLabel.alpha = 0.5
            
            UIView.animateWithDuration(0.12) {
                self.countLabel.transform = CGAffineTransformMakeScale(1, 1)
                self.countLabel.alpha = 1
            }
        }
    }
    
    //----------------------------------
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }
    
    //----------------------------------
    //Statusbar style
    
    override func preferredStatusBarStyle() -> UIStatusBarStyle {
        return UIStatusBarStyle.LightContent
    }
    
    //Sound helper
    
    func setupAudioPlayerWithFile(file:String, type:String) -> AVAudioPlayer  {
        var path = NSBundle.mainBundle().pathForResource(file, ofType:type)
        var url = NSURL.fileURLWithPath(path!)
        
        var error: NSError?
        var audioPlayer = AVAudioPlayer(contentsOfURL: url, error: &error)
        
        return audioPlayer!
    }
}