import UIKitimport AVFoundationclass GuidePage: FxBasePage {    @IBOutlet var backImageView:UIImageView?        var player:AVPlayer!    var playerItem:AVPlayerItem!    var location:FxLocation!        override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: NSBundle?)    {        super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)    }        required init?(coder aDecoder: NSCoder) {        fatalError("init(coder:) has not been implemented")    }        convenience init ()    {        var nibNameOrNil = String?("GuidePage")                //考虑到xib文件可能不存在或被删，故加入判断        if NSBundle.mainBundle().pathForResource(nibNameOrNil, ofType: "nib") == nil {            nibNameOrNil = nil        }                self.init(nibName: nibNameOrNil, bundle: nil)    }        override func viewDidLoad()    {        super.viewDidLoad()                initPlayVideo()        doAnimation()    }        override func didReceiveMemoryWarning()    {        super.didReceiveMemoryWarning()    }    func doAnimation()    {        var images:[UIImage]=[]        var image:UIImage?        var imageName:String?                for var index=0; index<=67;index++ {            imageName = "logo-" + String(format: "%03d", index)            image = UIImage(named: imageName!)                        images.insert(image!, atIndex: index)        }                backImageView?.animationImages = images        backImageView?.animationRepeatCount = 1        backImageView?.animationDuration = 5                backImageView?.startAnimating()                UIView.animateWithDuration(0.7, delay:5, options: .CurveEaseOut, animations: {                self.backView!.alpha = 1.0                self.player?.play()            }, completion: {                finished in                print("Animation End")        })    }        func initPlayVideo ()    {        let path = NSBundle.mainBundle().pathForResource("welcome_video", ofType: "mp4")        let url = NSURL.fileURLWithPath(path!)                playerItem = AVPlayerItem(URL: url)        player = AVPlayer(playerItem: playerItem)                let playerLayer = AVPlayerLayer(player: player)                playerLayer.frame = backView!.bounds        playerLayer.videoGravity =  AVLayerVideoGravityResizeAspect                backView!.layer.insertSublayer(playerLayer, atIndex: 0)        backView!.alpha = 0.0                NSNotificationCenter.defaultCenter().addObserver ( self,            selector: "didFinishVideo:" ,            name: AVPlayerItemDidPlayToEndTimeNotification ,            object: playerItem)    }    
　　// 播放到视频结尾之后，要重新开放播放    func didFinishVideo(sender: NSNotification )    {        let item = sender.object as! AVPlayerItem                item.seekToTime(kCMTimeZero)                self.player.play()    }    
　　// 跳转登录    @IBAction func doLogin()    {        location = FxLocation()        location.startLocation()    }    
　　// 跳转注册    @IBAction func doRegister()    {        let page = CreateAccountPage()        let navPage = UINavigationController(rootViewController: page)                self.presentViewController(navPage, animated: true, completion: nil)    }}