我正在Swift 3(Xcode 8.3.3)中通过WKWebView显示一个网络应用程序
Xcode控制台只打印“创建未知类型的图像格式是一个错误”,没有任何进一步的信息来帮助我解决问题。
this thread indicates
,可能是警报导致了此问题。WebView未正确设置以显示警报,这可能会导致错误。
在我的视图中将出现我调用函数
initWebView()
func initWebView() {
let source: NSString = "var meta = document.createElement('meta');" +
"meta.name = 'viewport';" +
"meta.content = 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no';" +
"var head = document.getElementsByTagName('head')[0];" +
"head.appendChild(meta);" as NSString
let sourceScript: WKUserScript = WKUserScript(source: source as String, injectionTime: .atDocumentStart, forMainFrameOnly: true)
let addCookieScript="localStorage.setItem('device', '\(self.tokenFirebase)');"
let script: WKUserScript = WKUserScript(source: addCookieScript as String, injectionTime: .atDocumentStart, forMainFrameOnly: false)
// Create the user content controller and add the script to it
let userContentController = WKUserContentController()
userContentController.addUserScript(script)
userContentController.addUserScript(sourceScript)
// Create the configuration with the user content controller
let config = WKWebViewConfiguration()
config.userContentController = userContentController
let wkWebView = WKWebView(frame: CGRect(x: 0, y: 0, width: view.frame.width, height: view.frame.height), configuration: config)
wkWebView.translatesAutoresizingMaskIntoConstraints = true
self.wkWebView = wkWebView
wkWebView.restorationIdentifier = "wkWebView"
view.addSubview(wkWebView)
wkWebView.navigationDelegate = self
wkWebView.uiDelegate = self
let request : NSMutableURLRequest = NSMutableURLRequest(url: self.webUrl as URL)
wkWebView.isHidden = false
wkWebView.load(request as URLRequest)
}
我一直在iPhone SE(iOS 10)、iPhone 7(iOS 10)和iPad(iOS 9.3.3)上测试该应用程序,结果相同。