WKWebView沒法(經過URL schemes)跳轉到其餘App

Custom scheme URL 在WKWebView中默認是不支持的 (但Safari能夠).

咱們能夠經過NSError來進行一些處理從而使得程序能夠正常跳轉:

func webView(webView: WKWebView, didFailNavigation navigation: WKNavigation!, withError error: NSError) {
    handleError(error)
}

func webView(webView: WKWebView, didFailProvisionalNavigation navigation: WKNavigation!, withError error: NSError) {
    handleError(error)
}

func handleError(error: NSError) {
    if let failingUrl = error.userInfo["NSErrorFailingURLStringKey"] as? String {
        if let url = NSURL(string: failingUrl) {
            let didOpen = UIApplication.sharedApplication().openURL(url)
            if didOpen {
                print("openURL succeeded")
                return
            }
        }
    }
}

Note: 在iOS9中,若是你要想使用canOpenURL, 你必須添加URL schemes到Info.plist中的白名單, 不然同樣跳轉不了...