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设计底部有 UITextView 。当我尝试写一些东西时，键盘保持向下，因为我将它增加为键盘高度，但出现了问题。键盘来自 TextView 之前，它看起来不太好。但是在 Whatsapp 和 swarm 应用程序上，它不会像这个键盘同时随着 TextView 而增加。我怎样才能让他们计时。您可以在下面看到我的代码真诚地

     var frameMessageView = UIView()
var mesajtext = UITextView()
var resultScrollView = UIScrollView()
var lblcizgi = UILabel();
var topImg   = UIImageView();
let place = ""

    override func viewDidLoad() {
    super.viewDidLoad()

    self.automaticallyAdjustsScrollViewInsets = false

    let theWidth = view.frame.size.width
    let theHeight = view.frame.size.height

    let backButton = UIBarButtonItem(title: "Geri", style: UIBarButtonItemStyle.Plain, target: self, action: "goBack:")
    navigationItem.leftBarButtonItem = backButton
    navigationItem.leftBarButtonItem?.setTitleTextAttributes([NSFontAttributeName: UIFont(name: "Helvetica Neue", size: 15.0)!], forState: UIControlState.Normal)

    self.tabBarController?.tabBar.hidden = true

    webView.delegate = self
    webView.scrollView.bounces = false

    resultScrollView.frame = CGRectMake(0, 67, theWidth, theHeight-112)
    resultScrollView.backgroundColor = UIColor.blueColor()
    topImg.frame    = CGRectMake(0, 64, theWidth, 3)
    topImg.image = UIImage(named:"top-bottom")

    webView.frame = CGRectMake(0, 0, self.resultScrollView.frame.size.width, UIScreen.mainScreen().bounds.height-102)


    view.backgroundColor = UIColor.blackColor()

    frameMessageView.frame = CGRectMake(0, theHeight - 45, theWidth, 45)
    frameMessageView.backgroundColor = UIColor(red: 247.0/255.0, green: 247.0/255.0, blue: 247.0/255.0, alpha: 1.0)

    mesajtext.font = UIFont(name: "Helvetica Neue", size: 15.0)
    mesajtext.frame = CGRect(x: 10, y: 10, width: self.view.frame.size.width - 75, height: 27)
    mesajtext.backgroundColor = UIColor.whiteColor()
    mesajtext.layer.cornerRadius = 5.0
    mesajtext.layer.masksToBounds = true
    mesajtext.layer.borderColor = UIColor( red: 203/255, green: 203/255, blue:203/255, alpha: 1.0 ).CGColor
    mesajtext.layer.borderWidth = 1.0

    lblcizgi.frame = CGRectMake(0, 0, frameMessageView.frame.width, 1)
    lblcizgi.backgroundColor = UIColor(red: 203/255, green: 203/255, blue: 203/255, alpha: 0.5)


    let button   = UIButton()
    button.frame = CGRectMake(self.view.frame.maxX-65, 13, 60, 20)
    //button.backgroundColor = UIColor(red: 251.0/255.0, green: 188.0/255.0, blue: 5.0/255.0, alpha: 1.0)
    button.setTitle("Gönder", forState: UIControlState.Normal)
    button.setTitleColor(UIColor(red: 27/255, green: 119/255, blue: 218/255, alpha: 1.0), forState: UIControlState.Normal)
    button.addTarget(self, action: "gonderbutonclick:", forControlEvents: UIControlEvents.TouchUpInside)
    button.titleLabel!.font =  UIFont(name:"Helvetica Neue", size: 14.0)


    applyPlaceholderStyle(mesajtext , placeholderText: place)

    mesajtext.delegate = self

    frameMessageView.addSubview(lblcizgi)
    frameMessageView.addSubview(mesajtext)
    frameMessageView.addSubview(button)

    view.addSubview(frameMessageView)

    view.addSubview(resultScrollView)
    view.addSubview(topImg)

    NSNotificationCenter.defaultCenter().addObserver(self, selector: "keyboardWasShown:", name: UIKeyboardDidShowNotification, object: nil)



}

    func keyboardWasShown(notification: NSNotification) {
    let dict:NSDictionary = notification.userInfo!
    let s:NSValue = dict.valueForKeyPath(UIKeyboardFrameEndUserInfoKey) as! NSValue
    let rect:CGRect = s.CGRectValue()

    UIView.animateWithDuration(0, delay: 0, options: UIViewAnimationOptions.CurveLinear, animations: { () -> Void in
       self.resultScrollView.frame = CGRectMake(0, 67, self.view.frame.size.width, self.view.frame.height-rect.height-112)

        self.frameMessageView.frame.origin.y = self.resultScrollView.frame.maxY
        }) { (Bool) -> Void in

    }
}
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