How to use SwiftData with a Singleton within a SwiftUI app
To use SwiftData in a Singleton within a SwiftUI app, initialize the modelContext within the initializer. Then apply the container to views for seamless use.
To use SwiftData in a Singleton within a SwiftUI app, initialize the modelContext within the initializer. Then apply the container to views for seamless use.
SubscribeThis tutorial is based on our upcoming app Object Capture Pro, which uses a Singleton to manage all the SwiftData operations in a way that is interoperable with standard SwiftUI SwiftData actions and updates.
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Step One: Initialize the Singleton SwiftData Container
Add the ModelContainer to the Singleton, and within the init function set it.
Step Two: Apply Container to Views
To apply the modelContext to a view in a way that performs as expected, use code similar to the one below.
Please replace _SINGLETON_ with the name of your singleton class.
.modelContainer(_SINGLETON_.modelContainer)Step Three: Use within a View
Within a view, you can now use the model context as expected.
When changes are made, it will also update as expected.
To learn more about SwiftData within SwiftUI, consult the guide below.
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