Map(coordinateRegion: $viewModel.mapRegion, annotationItems: viewModel. Struct ContentView: View private var viewModel = ViewModel() Prett圜olors - Prett圜olors is a Swift library for styling and coloring text in the Terminal. (Unless I missed a step somewhere that I can't seem to find.) import SwiftUI DKNightVersion - Manage Colors, Integrate Night/Multiple Themes. But I find it strange that even by following the instructions provided, I still get the warning message, even when Paul says that it should disappear at this point. I understand the concept of what we are trying to do. While you are redrawing a view struct, let's say a button, the button struct is telling the OS, "Wait a minute, please change my color while you are drawing me." This may cause undefined behavior, because (perhaps) the button tries to redraw itself again, causing yet another color change. What the purple message is telling you is that while the OS is updating one of your views ( Button color? Label text? List content? Some internal VStack alignment?) you are attempting to change the view! But what if you cause the view to redraw itself, but WHILE it's calculating its new look, you somehow change the dataset again? This is not allowed. Also, changes to your data set may cause a view to redraw itself. Primarly, if one of the struct's or similar variables change, the struct will ask the OS to recalculate the struct, and redraw it if necessary. In short, what causes any view struct to redraw itself? By this point in your lessons, you should have a great handle on these reasons. This is a clear error, but may be tricky to find. The purple warning message "Publishing changes from within view updates is not allowed, The compiler is lying to is showing up in my BucketListApp.swift file and nowhere else,
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