Update

Author: 1998code

Shared/ContentView.swift

@@ -9,8 +9,10 @@ import SwiftUI
 
 struct ContentView: View {
     var body: some View {
-        Text("Hello, world!")
-        Text("This is SwiftUI 2.").padding()
+        VStack {
+            Text("Hello, world!")
+            Text("Welcome to SwiftUI 2.").padding()
+        }.navigationTitle("Explore")
     }
 }
 

Shared/SidebarApp.swift

@@ -11,7 +11,11 @@ import SwiftUI
 struct SidebarApp: App {
     var body: some Scene {
         WindowGroup {
+            #if os(macOS)
             SidebarView()
+            #else
+            ContentView()
+            #endif
         }
     }
 }