![]() ![]() #Swift share core data with extension manual#Which Code Generation Option Should You Choose?Ĭhoose manual code generation if you’re using version control in your project. The second way is to switch to manual code generation by choosing Manual/None from the Codegen menu. The first way is to remove the class files you added to the project and let Xcode create the classes for you. There are two ways to deal with the duplicate class problem. This issue can be tough to find because you can’t see the Xcode-created class files in the project navigator. If you manually add class files for your entities, your project won’t build because you have two versions of each class, the one you manually created and the one Xcode creates. When you create a new Xcode project that uses Core Data, the code generation is initially set to Class Definition. What do you do if you want to add methods to your Core Data entities? Create Swift class extension files for your entities and add your methods there. #Swift share core data with extension update#The point of Xcode creating the files is to automatically update the files when you make changes to the data model. You’re not meant to access and edit the source code files Xcode creates for your Core Data entities. The source code files are in the project’s derived data location. If you choose Class Definition or Category/Extension from the Codegen menu, you’ll notice there are no source code files for the entities in the project navigator. The class extension has accessors for the entity’s attributes.
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