swift ios - How to run function in ViewController from AppDelegate

Question

I am trying to run a function in certain ViewController using AppDelegate

func applicationDidBecomeActive(_ application: UIApplicat         


        

Answer 1

I simply solved it like this:

func applicationDidBecomeActive(_ application: UIApplication) {
        let viewController = self.window?.rootViewController as! ViewController
        viewController.grabData()
}