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在我的应用程序的第一次启动时，我想显示一个特定的视图控制器说firstLaunchVC，为此我正在这样做

在我的didFinishLaunchingWithOptions

if (itsFirstLaunch){
     self.window = UIWindow(frame: UIScreen.mainScreen().bounds)
    let mainStoryboard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
    var initialViewController: UIViewController
    initialViewController = mainStoryboard.instantiateViewControllerWithIdentifier("SignupViewController") as! SignupViewController 

    self.window?.rootViewController = initialViewController

    self.window?.makeKeyAndVisible()
}

它工作正常但现在完成我的注册后我想将我的 RootViewController 更改为我的默认 ViewController 说DefaultVC

appDelegate.window = UIWindow(frame: UIScreen.mainScreen().bounds)
let mainStoryboard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
var initialViewController: UIViewController
initialViewController = mainStoryboard.instantiateViewControllerWithIdentifier("DefaultVC") as! UITabBarController 
UIView.transitionWithView(self.appDelegate.window!, duration: 0.3, options: .TransitionFlipFromBottom, animations: {() -> Void in

    self.appDelegate.window?.rootViewController = initialViewController
    self.appDelegate.window?.makeKeyAndVisible()
    }, completion: { _ in }
)

它工作正常，你还可以看到我在这个过渡中添加了动画

 UIView.transitionWithView(self.appDelegate.window!, duration: 0.3, options: .TransitionFlipFromBottom, animations: {()....

但是这个动画还不够好，这里我们有很多选择，比如：

TransitionFlipFromLeft
TransitionFlipFromRight
TransitionCurlUp
TransitionCurlDown
TransitionCrossDissolve
TransitionFlipFromTop
TransitionFlipFromBottom etc...

但他们都没有满足我的要求（完全可怕）我想要的是当 ViewController 被解雇时的动画我想从框架中滑出 vc 如果有人可以指导我如何做到这一点，那么它'对我很有帮助

4

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