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I'm trying to switch from one UIViewController to another using code. Right now I have,
self.presentViewController(ResultViewController(), animated: true, completion: nil)
All this is doing is taking me to a black screen instead of the ResultViewController. Any suggestions?
996
Ctrl+Drag from the “View Controller” button, to somewhere in the second View Controller(HomeViewController). It can be anywhere in the main box of the second view controller. When you release, it will show you a box like the one below. in this you don't need any code to switch, it will switch on click of a button.
For solving this, you will need to do a pretty simple trick which is to take a screenshot from the first view controller and passing it to the second view controller to display it while presenting the third view controller. You can check this repository to see how it is exactly could be done (Swift 3).
With Storyboard. Create a swift file (SecondViewController.swift) for the second view controller and in the appropriate function type this:
let secondViewController = self.storyboard?.instantiateViewController(withIdentifier: "secondViewController") as! secondViewController
self.navigationController.pushViewController(secondViewController, animated: true)
Without storyboard
let secondViewController = ViewController(nibNameOrNil: NibName, bundleOrNil: nil)
self.presentViewController(secondViewController, animated: true, completion: nil)
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