If you want to see me test the code you can watch the video that I have included at the top of the post. With EnvironmentObject, SwiftUI allows you to share the all across yours views in. That should be it, you should now be able to use Core Data in your project. Swift queries related to fetch request core data is saving coredata. In order to achieve that, you need to configure App Groups and make. Let container = NSPersistentContainer(name: "TestModel") Conclusion What you really want is to access your persistent store (most likely a SQLite database). lazy var persistentContainer: NSPersistentContainer = to be a string that is the same name as your data model file. Once you have done that you will be able to add the next part of the code. The first thing you need to do is to add the following code at the top of your file by all the other imports you have. Like I mentioned previously, when you check that checkbox when starting a new iOS project, it will add all these things, and this is the code that it adds to your AppDelegate file. Once you have added you data model file you need to update your AppDelegate file. It should look something like this: Step 2 To find the data model file you will need to scroll down a bit until you see the heading “Core Data”. To do this you will add a file to your project in the normal way. The first that you need to do is to add the data model file. If you don’t want to read the article, you can always watch the video version: Add CoreData to existing iOS project Step 1: Adding the data model file So in this tutorial I am going to show you how you can easily add these two requirements to your project so that you can use Core Data. The other issue is that you don’t have the correct code in your AppDelegate file. The main part being that if you did not check the “Use Core Data” checkbox when you created your project, then you won’t even have the data model file, which is a bit of an issue. There are a few things that are required when adding Core Data to an existing iOS project. It turns out that it is actually quite a simple task. Years ago when I tried to do it I failed and decided to recreated the project from scratch.īut recently I decided that I should try and add Core Data into an existing project. CoreDataStack.swift Handles the following jobs: Provides a CoreDataStack. If you have ever struggled to add Core Data to an existing iOS project, I feel your pain.
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