When creating iOS apps we find the need to have some buttons or UIControls opening a URL link.This can be easily done by calling the open(_:options:completionHandler:) method of UIApplication. With the addition of the SFSafariViewController in iOS 9, this opened new possibilities to show links without the user leaving the app.While the UIApplication open(_:options:completionHandler:) can be called from anywhere in your code, presenting a SFSafariViewController can happen only from a UIViewController.A real-world use case that leads to this solutionI was recently working on an application that parsed and builds interactive documents from a JSON object. Among the multiple objects that constitute an interactive document, there is a simple link object. If the user taps the link, we present the content in a SFSafariViewController (SafariVC) without leaving the app.The app hierarchy looked similar to the following diagram:The app hierarchy when viewing a documentAt the root we have a navigation controller and several embeds after we can see the link.


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mobile,swift,ios,ios-app-development,mobile-app-development