How can I import Swift code to Objective-C?

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You need to import ProductName-Swift.h. Note that it’s the product name – the other answers make the mistake of using the class name.

This single file is an autogenerated header that defines Objective-C interfaces for all Swift classes in your project that are either annotated with @objc or inherit from NSObject.

Considerations:

  • If your product name contains spaces, replace them with underscores (e.g. My Project becomes My_Project-Swift.h)

  • If your target is a framework, you need to import <ProductName/ProductName-Swift.h>

  • Make sure your Swift file is member of the target

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