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[英]UINavigationController.hidesBarsOnSwipe=YES leads to NSInternalInconsistencyException
[英]IOS - Swift - UINavigationController.hidesBarsOnSwipe Error
我试图在滑动时隐藏导航栏,但出现此错误:
webView:didFinishLoadForFrame:委托:-[UINavigationController setHidesBarsOnSwipe:]:无法识别的选择器已发送到实例0x155a3a90
我正在使用webView和navigationController。
override func viewDidLoad() {
super.viewDidLoad()
let requestURL = NSURL(string:"http://www.myUrl.com")
webView.loadRequest(NSURLRequest(URL: requestURL!))
webView.delegate = self;
self.automaticallyAdjustsScrollViewInsets = false;
self.navigationController?.setNavigationBarHidden(true, animated: false)
self.navigationController?.setToolbarHidden(true, animated: false)
self.view.addSubview(webView)
}
func webViewDidFinishLoad(webView: UIWebView!) {
let url = webView.request?.URL.absoluteString
if (url?.rangeOfString("/exportpdf") != nil ) {
self.navigationController?.setNavigationBarHidden(false, animated: true)
self.navigationController?.hidesBarsOnSwipe = true; // ERROR
}
configureScrolling(webView)
}
任何想法 ?
hidesBarsOnSwipe
是hidesBarsOnSwipe
中引入的属性,但您可能正在iOS7中运行该应用程序,这会导致此错误消息。
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