Story This week, my colleague asked me a question: how to observe user selection behaviors on SwiftUI's Picker ? This is a question came from real bussiness. Thus I think it worth to take me time to solve it. The example code is as shown below and my colleague wanted to observe user's behaviors on…

Introduction Recently, one of my colleagues had been struggling with porting reference semantics model to SwiftUI with ObservableObject and @StateObject . In this post, since there are many examples talked about porting reference semantics models to SwiftUI this way on the Internet, I'm not going…