In iOS9 , we have a "in-app browser" view controller called Safari view Controller.
It shares many attributes of native safari app including:
Pro :
Cons:
WKWebView updates in iOS 9
//securely load local files
loadFileURL(URL:NSURL, allowingReadAccessToURL readAccessURL:NSURL) -> WKNavigation?
//load data locally without remote server
loadData(data: NSData, MIMEType: String, characterEncodingName: String, baseURL:NSURL) -> WKNavigation?
var customUserAgent:String?