Issue #6: Show UI to explain user's next steps to enable. Disable toggle as this cannot be used to activate DNS settings.

dns/BlocklistOption.swift

@@ -32,6 +32,15 @@ enum BlocklistOption: String, CaseIterable, Identifiable {
         }
     }
 
+    var title: String {
+        switch self {
+        case .secure:
+            return String(format: NSLocalizedString( "%@: Malware and phishing protection", comment: ""), ViewModel.title)
+        case .securePlusAdblock:
+            return String(format: NSLocalizedString("%@: Security plus ad and tracker blocking", comment: ""), ViewModel.title)
+        }
+    }
+
     var icon: String {
         switch self {
         case .secure:

dns/HomeView.swift

@@ -31,11 +31,37 @@ struct HomeView: View {
 
                         Toggle("", isOn: $viewModel.isDnsEnabled)
                             .labelsHidden()
+                            .disabled(true)
                             .tint(.green)
                     }
                     .padding(.vertical, 4)
                 }
 
+                if !viewModel.isDnsEnabled {
+                    Section {
+                        VStack(alignment: .leading, spacing: 4) {
+                            Text(String(format: NSLocalizedString("To enable %@:", comment: ""), ViewModel.title))
+                            Text(String(format: NSLocalizedString("%1$@ Tap \"%2$@\"", comment: ""), "–", NSLocalizedString("Open Settings", comment: "")))
+                            Text(String(format: NSLocalizedString("%1$@ Go to General", comment: ""), "–"))
+                            Text(String(format: NSLocalizedString("%1$@ VPN & Network", comment: ""), "–"))
+                            Text(String(format: NSLocalizedString("%1$@ DNS", comment: ""), "–"))
+                            Text(String(format: NSLocalizedString("%1$@ Select \"%2$@\"", comment: ""), "–", viewModel.blocklist.title))
+
+                            Spacer()
+
+                            Button {
+                                if let url = URL(string: UIApplication.openSettingsURLString) {
+                                    UIApplication.shared.open(url)
+                                }
+                            } label: {
+                                Text(NSLocalizedString("Open Settings", comment: ""))
+                                    .frame(maxWidth: .infinity, minHeight: 32)
+                            }
+                            .buttonStyle(.borderedProminent)
+                        }
+                    }
+                }
+
                 // Blocklist selection
                 Section {
                     ForEach(BlocklistOption.allCases) { option in
@@ -176,7 +202,7 @@ struct HomeView: View {
                     }.foregroundStyle(.primary)
                 }
             }
-            .navigationTitle("SR2® Cloud DNS")
+            .navigationTitle(ViewModel.title)
             .animation(.default, value: viewModel.isDnsEnabled)
         }
     }

dns/ViewModel.swift

@@ -12,6 +12,8 @@ import OSLog
 
 class ViewModel: NSObject, ObservableObject {
 
+    static let title = "SR2® Cloud DNS"
+
     // MARK: Public Properties
 
     @Published
@@ -29,11 +31,7 @@ class ViewModel: NSObject, ObservableObject {
     }
 
     @Published
-    var isDnsEnabled = false {
-        didSet {
-            toggleDns()
-        }
-    }
+    var isDnsEnabled = false
 
     @Published
     var summaryStatus: SummaryStatus = .pending
@@ -51,6 +49,8 @@ class ViewModel: NSObject, ObservableObject {
     override init() {
         super.init()
 
+        isDnsEnabled = manager.isEnabled
+
         isProgrammaticChange = true
         blocklist = Settings.blocklist
 
@@ -60,11 +60,9 @@ class ViewModel: NSObject, ObservableObject {
             }
             catch {
                 log.error("Error loading preferences: \(error)")
-
-                return
             }
 
-            if manager.isEnabled, let settings = manager.dnsSettings {
+            if let settings = manager.dnsSettings {
                 for dnsServer in BlocklistOption.allCases {
                     if settings.servers.contains(dnsServer.ipv4) {
                         await MainActor.run {
@@ -99,7 +97,7 @@ class ViewModel: NSObject, ObservableObject {
         Task {
             if isDnsEnabled {
                 manager.dnsSettings = blocklist.settings
-                manager.localizedDescription = blocklist.description
+                manager.localizedDescription = blocklist.title
 
                 do {
                     try await manager.saveToPreferences()