             builtin
         }
         .listStyle(.insetGrouped)
+        .onAppear {
+            DispatchQueue.main.asyncAfter(deadline: .now() + 3) {
+                isLoading = false
+            }
+        }
     }
 }
 

            }
            .buttonStyle(.fill)
            .disabled(true)

            button {
                Text("Fill Hard Edges")

import SwiftUI

struct ButtonsView: View {
    @State private var isLoading = true

    var body: some View {
        List {
            fillStates
