With iOS 13's introduced UIWindowScene and multiple window support for iPad OS, you might be looking to add Scene Delegate to your existing app (if...
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Hi Maarek, thanks for this great tutorial. But i have a question. I have a storyboard (uikit) App, and i want to use coredata in swiftui views. For this i need a scenedelegate. Now i have used your tutorial and leave the scene method empty. Do I have to add the manifest anyway? I added my main storyboard but only got a black screen. Even after I emptied the build. Can you help me? Thank you so much!
The manifest si here to declare the scene delegate you set up (even if it contains empty methods) as being your scene delegate, the one the app will use.
If you're using storyboards, you don't to fill up the scene delegate methods. Just set the storyboard name in the plist.
So yes, you need to add a manifest in your plist file.
You info.plist should look like this (assuming the name of your storyboard is "Main") :
You shouldn't have black screen if you have your storyboard set up and declared in these (both) plist variables.
Hi Maarek,
Thank you for your quick response. I have the plist identical to yours. In the SceneDelegate I have the func scene empty. Still, I only get one black screen. What am I doing wrong?
Does your storyboard has an initial view controller set (with an arrow on the left) ?
Hi Maarek,
Yes I have activated an initial view controller. Do not understand why the screen stays black. As soon as I remove the manifest, the app goes back. Do you have any idea?
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I Hi Maarek,
I am now a little closer to the goal. I had to paste this code into the scene delegate:
guard let winScene = (scene as? UIWindowScene) else {return}
// Create the root view controller as needed
let vc = ViewController ()
let nc = UINavigationController (rootViewController: vc)
// Create the window. Be sure to use this initializer and not the frame one.
let win = UIWindow (windowScene: winScene)
win.rootViewController = nc
win.makeKeyAndVisible ()
window = win
Now the ViewController is displayed, but everything is crashed. TableView (found nil), present other view controller by button crash. What is going on here?
Hey! Have you had any resolution to this? I am also experiencing this issue of a black screen while using a Main storyboard.
Hi. I guess I figured it out. The
<key> Storyboard Name </key>is wrong. It should be
<key> UISceneStoryboardFile </key>. It made it work for me.
It does not work for me! somebody help me, please.
Great tut, thanks!
Hi Maarek, can you show me how it can be done in Objective-C? I'm working on React Native Project. Thank you
Hi,
SceneDelegate is just an implementation of a UIWindowSceneDelegate and UIResponder.
I know nothing about React Native, but as long as you have an App target and an info.plist file, you must be able to create an Objective-C class called SceneDelegate conforming to these and declare it in your info.plist.
And what about iOS 15? How I can get current Scene or Window in xCode 13 beta and iOS 15?