ContentView.swift

import SwiftUI
import CoreData

struct ContentView: View {
    @Environment(\.managedObjectContext) private var viewContext
    @State var progressValue: Double = 1

    var body: some View {
        NavigationView {
            List {
                ProgressView("Test", value: progressValue)
                .onAppear {
                    withAnimation(.linear(duration: 10)) {
                        progressValue = 0
                    }
                }
            }
            Text("Select something")
        }
    }
}