Xcode 简单反射测试游戏应用程序中NSDataStorage存在问题
我试图在NSUserDataStorage中存储一个数字数组。我做错了什么?谢谢 导入UIKitXcode 简单反射测试游戏应用程序中NSDataStorage存在问题,xcode,swift,xcode6,Xcode,Swift,Xcode6,我试图在NSUserDataStorage中存储一个数字数组。我做错了什么?谢谢 导入UIKit class ViewController: UIViewController { var arr = [Int]() var timer = NSTimer() var countdowntimer = NSTimer() var count = 0 var countdown = Int(arc4random_uniform(4000) + 1000) var highscore:Int! @
class ViewController: UIViewController {
var arr = [Int]()
var timer = NSTimer()
var countdowntimer = NSTimer()
var count = 0
var countdown = Int(arc4random_uniform(4000) + 1000)
var highscore:Int!
@IBOutlet weak var beginButton: UIButton!
@IBOutlet weak var startButton: UILabel!
@IBOutlet weak var highScoreButton: UILabel!
@IBOutlet weak var timerLabel: UILabel!
@IBOutlet weak var backgroundImage: UIImageView!
func updateTime() {
countdown = countdown - 1
if countdown <= 0 {
startButton.textColor = UIColor.blackColor()
startButton.text = "Tap Now!"
countdowntimer.invalidate()
backgroundImage.image = UIImage(named: "red")
count = 0
Timer()
}
}
func Timer() {
timer = NSTimer.scheduledTimerWithTimeInterval(0.001, target:self, selector:Selector("reflexTest"), userInfo:nil, repeats: true)
}
func reflexTest() {
count = count + 1
timerLabel.text = "\(count) ms"
}
@IBAction func beginTapped(sender: AnyObject) {
if startButton.text == "Tap when the Color Changes" {
startButton.text = "You tapped too early!"
countdowntimer.invalidate()
countdown = Int(arc4random_uniform(4000) + 1000)
} else {
if count == 0 {
countdowntimer = NSTimer.scheduledTimerWithTimeInterval(0.001, target: self, selector: Selector("updateTime"), userInfo: nil, repeats: true)
startButton.text = "Tap when the Color Changes"
countdown = Int(arc4random_uniform(4000) + 1000)
timerLabel.text = "\(count) ms"
} else {
timer.invalidate()
backgroundImage.image = UIImage(named: "green")
startButton.text = "Tap to Begin"
arr.append(count)
count = 0
highscore = minElement(arr)
highScoreButton.text = "Best: \(highscore)"
self.viewDidLoad()
}
}
}
override func viewDidLoad() {
super.viewDidLoad()
NSUserDefaults.standardUserDefaults().setObject(arr, forKey: "data")
arr = NSUserDefaults.standardUserDefaults().objectForKey("data") as! [Int]
println(arr)
// 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.
}
类ViewController:UIViewController{
var arr=[Int]()
var timer=NSTimer()
var countdowntimer=NSTimer()
变量计数=0
var倒计时=整数(arc4random_统一(4000)+1000)
var高分:Int!
@IBVAR开始按钮:UIButton!
@IBVAR弱启动按钮:UILabel!
@IBOutlet弱var highScoreButton:UILabel!
@IBVAR时间标签:UILabel!
@IBVAR背景图片:UIImageView!
func updateTime(){
倒计时=倒计时-1
如果倒计时您几乎已经了解了NSUserDefaults
-只需根据需要读写即可。我总是喜欢将其抽象为具有直观界面的方法(甚至是单独的对象),如保存
和加载
如果您的数据变得更复杂,您可能需要考虑使用NSKeyedArchiver
和NSCoding
将数据写入设备上的文件,以便轻松进行序列化和反序列化
请参阅此,了解更多信息
class ViewController: UIViewController {
var arr = [Int]()
let kDefaultsKey = "com.mycompany.myapp.numbers"
override func viewDidLoad() {
super.viewDidLoad()
self.loadDefaults()
}
func randomNumner() -> Int {
return Int(arc4random() % 100)
}
@IBAction func buttonTapped(sender: AnyObject) {
arr.append( randomNumber() )
self.saveDfeaults()
}
func loadDefaults() {
if let savedArray = NSUserDefaults.standardUserDefaults().objectForKey( kDefaultsKey ) as? [Int] {
self.arr = savedArray
}
}
func saveDfeaults() {
NSUserDefaults.standardUserDefaults().setObject( self.arr, forKey: kDefaultsKey )
}
}
非常感谢!你刚才帮了我很多忙!谢谢你,先生。