@StateObject vs. @ObservedObject: The differences explained

This article clarifies the distinction between @StateObject and @ObservedObject in SwiftUI, emphasizing that the key difference is ownership. It explains that @StateObject should be used when a view creates and owns an ObservableObject, while @ObservedObject is for views that receive an object from a parent. The article provides code examples and warns against common mistakes, such as using @ObservedObject for objects created inline or using @StateObject in multiple views for the same instance. It also touches on how SwiftUI preserves object lifetime with @StateObject and mentions related tools like RocketTrace.