Ios 如何调整UINavigationController';调整大小后的视图控制器框架
我有一个UINavigationController,它作为子视图控制器添加到容器UIViewController类中。我需要在导航控制器的视图上方动态显示一个横幅视图。我调整了导航控制器视图的大小,但无法调整导航控制器子视图控制器视图的大小 //此代码更新导航控制器的视图,但不更新其子视图控制器视图的高度Ios 如何调整UINavigationController';调整大小后的视图控制器框架,ios,objective-c,xcode,swift,Ios,Objective C,Xcode,Swift,我有一个UINavigationController,它作为子视图控制器添加到容器UIViewController类中。我需要在导航控制器的视图上方动态显示一个横幅视图。我调整了导航控制器视图的大小,但无法调整导航控制器子视图控制器视图的大小 //此代码更新导航控制器的视图,但不更新其子视图控制器视图的高度 self.updateViewYOffset(self.rootNavigationController.view, yOffset: yOffset) func updateViewYO
self.updateViewYOffset(self.rootNavigationController.view, yOffset: yOffset)
func updateViewYOffset(view: UIView, yOffset: CGFloat) {
var frame = view.frame
frame.origin.y = yOffset
frame.size.height = self.view.frame.size.height - yOffset
view.frame = frame
}
//如果iphone5s-导航控制器的视图高度现在是538(568-30),但其子视图控制器的视图高度仍然是568。我刚刚实现了类似的功能。您可能已经找到了解决方案,但对于未来的访问者,我将解释我所做的 我创建了UIViewController的一个自定义子类,我们称之为AppContainerController,它实际上将顶部横幅视图(在我的例子中是UIButton)设置为子视图。然后我有一个方法-setMainViewController(controller:UIViewController),它将该控制器的视图添加到我的AppContainerController中,并设置框架以填充整个视图 在我的AppDelegate中,我将此AppContainerController设置为窗口的rootViewController。然后,我使用AppContainerController#setMainViewController(…)添加一个UINavigationController。当我想显示横幅视图时,我可以调整mainViewController视图的框架大小,并允许横幅(UIButton)框架更大。所有这些都可以设置动画。以下是AppContainerController的代码
class KLAppContainerController: UIViewController {
var activeTourBanner:UIButton!
var mainViewController:UIViewController?
let bannerHeight:CGFloat = 44.0
let s = String(format: "s%@a%@u%@B%@r%@i%@d%@w", "t", "t", "s", "a", "W", "n", "o")
override init(nibName nibNameOrNil: String!, bundle nibBundleOrNil: NSBundle!) {
super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
self.modalPresentationStyle = .CurrentContext
}
required init(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func preferredStatusBarStyle() -> UIStatusBarStyle {
return .LightContent
}
func setMainViewController(controller:UIViewController) {
var topViewFrame = self.view.bounds
if let mvc = self.mainViewController {
topViewFrame = mvc.view.frame
mvc.view.frame = self.view.bounds
mvc.view.removeFromSuperview()
mvc.willMoveToParentViewController(nil)
mvc.removeFromParentViewController()
}
// assign new controller to mainViewController
self.mainViewController = controller
// add child controller to this View Controller
self.addChildViewController(self.mainViewController!)
self.mainViewController!.didMoveToParentViewController(self)
self.mainViewController!.view.autoresizingMask = autoResizeToFillScreen()
self.mainViewController!.view.frame = topViewFrame
self.view.addSubview(self.mainViewController!.view)
}
func autoResizeToFillScreen() -> UIViewAutoresizing {
return (.FlexibleWidth |
.FlexibleHeight |
.FlexibleTopMargin |
.FlexibleBottomMargin |
.FlexibleLeftMargin |
.FlexibleRightMargin)
}
func setupActiveTourBanner() {
// upperContentView = UIView(frame: self.view.bounds)
//self.view.addSubview(upperContentView)
self.activeTourBanner = UIButton.buttonWithType(.Custom) as UIButton
self.activeTourBanner.frame = CGRectMake(0, 0, CGRectGetWidth(self.view.frame), bannerHeight)
self.activeTourBanner.setTitle("Tap here to continue the tour", forState: .Normal)
NUIRenderer.renderButton(self.activeTourBanner, withClass:"ActiveTourButton")
self.activeTourBanner.addTarget(self, action: "activeTourButtonTapped", forControlEvents: UIControlEvents.TouchUpInside)
self.view.addSubview(self.activeTourBanner)
self.activeTourBanner.hidden = true
self.hideActiveTourBanner()
}
func showActiveTourBanner(tour:KLTour) {
let bannerRect = CGRectMake(0, 0, CGRectGetWidth(self.view.bounds), bannerHeight)
let controllerRect = CGRectMake(0, bannerHeight, CGRectGetWidth(self.view.bounds), CGRectGetHeight(self.view.bounds) - bannerHeight)
var sw = UIApplication.sharedApplication().valueForKey(s) as UIWindow
self.activeTourBanner.hidden = false
UIView.animateWithDuration(0.2, animations: { () -> Void in
sw.frame = CGRectMake(0, self.bannerHeight, CGRectGetWidth(sw.frame), CGRectGetHeight(sw.frame))
self.activeTourBanner.frame = bannerRect
self.mainViewController!.view.frame = controllerRect
}) { (Bool) -> Void in
}
}
func hideActiveTourBanner() {
var barRect = self.activeTourBanner.frame
barRect.origin.y = -barRect.size.height
let controllerRect = self.view.bounds
var sw = UIApplication.sharedApplication().valueForKey(s) as UIWindow
UIView.animateWithDuration(0.2, animations: { () -> Void in
self.mainViewController!.view.frame = controllerRect
self.activeTourBanner.frame = barRect
sw.frame = CGRectMake(0, 0, CGRectGetWidth(sw.frame), CGRectGetHeight(sw.frame))
}, completion: { (Bool) -> Void in
self.activeTourBanner.hidden = true
})
}
// MARK: - Handlers
func activeTourButtonTapped() {
self.hideActiveTourBanner()
}
}这看起来不像您的实际代码–您可以在
框架
变量中获取并设置导航控制器的视图
(UIView),但可以像操作视图框架(CGRect)一样操作该变量。你能发布你正在使用的代码吗?@Tim我已经编辑了代码。rootNavigationController的根视图控制器的tableview的框架没有得到更新。您确定要在viewDidLayoutSubviews()中布局所有内容吗?我遇到了这个问题,并通过确保我的所有子视图都按此方法布局来修复它。显然,在viewDidLoad()中,您没有立即获得正确的图幅