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You see this error in your iOS project: "SceneDelegate.swift not found". What is the most likely cause?

medium📝 Debug Q14 of 15
iOS Swift - iOS Basics and Setup
You see this error in your iOS project: "SceneDelegate.swift not found". What is the most likely cause?
AThe project was created without a SceneDelegate file, but the Info.plist expects it
BAssets.xcassets folder is missing
CAppDelegate.swift is empty
DStoryboard file is corrupted
Step-by-Step Solution
Solution:

  1. Step 1: Understand SceneDelegate role

    SceneDelegate manages UI scenes in multi-window apps, required if Info.plist references it.

  2. Step 2: Identify mismatch

    If SceneDelegate.swift is missing but Info.plist expects it, app will error.

  3. Final Answer:

    The project was created without a SceneDelegate file, but the Info.plist expects it -> Option A

  4. Quick Check:

    Missing SceneDelegate file = Info.plist mismatch [OK]
Quick Trick: Check Info.plist and project files match for SceneDelegate [OK]
Common Mistakes:
  • Blaming missing assets for SceneDelegate error
  • Assuming empty AppDelegate causes this error
  • Thinking storyboard corruption causes SceneDelegate error

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