Add AccessoryTabView

Xcode/BluetoothAccessory/ContentView.swift

@@ -10,13 +10,12 @@ import BluetoothAccessoryKit
 
 struct ContentView: View {
 
-    @EnvironmentObject
-    var store: AccessoryManager
-
     var body: some View {
-        NavigationView {
-            NearbyDevicesView()
-        }
+        #if os(iOS)
+        AccessoryTabView()
+        #else
+        AccessoryTabView()
+        #endif
     }
 }
 

Xcode/BluetoothAccessory/TabView.swift

@@ -0,0 +1,91 @@
+//
+//  TabView.swift
+//  BluetoothAccessoryApp
+//
+//  Created by Alsey Coleman Miller on 3/4/24.
+//
+
+import SwiftUI
+import SFSafeSymbols
+import BluetoothAccessoryKit
+
+struct AccessoryTabView: View {
+
+    @EnvironmentObject
+    var store: AccessoryManager
+
+    @State
+    var selection: TabItem?
+
+    var body: some View {
+        TabView(selection: $selection) {
+
+            // Devices
+            NavigationView {
+                AccessoriesView()
+            }
+            .tabItem { Label("Devices", systemSymbol: devicesTabSymbol) }
+            .tag(TabItem.devices)
+
+            #if DEBUG
+            // Nearby
+            NavigationView {
+                NearbyDevicesView()
+            }
+            .tabItem { Label("Nearby", systemSymbol: .antennaRadiowavesLeftAndRight) }
+            .tag(TabItem.nearby)
+            #endif
+
+            // Contacts
+            NavigationView {
+                EmptyView()
+            }
+            .tabItem { Label("Users", systemSymbol: .personCircle) }
+            .tag(TabItem.contacts)
+
+            // Settings
+            NavigationView {
+                EmptyView()
+            }
+            .tabItem { Label("Settings", systemSymbol: settingsTabSymbol) }
+            .tag(TabItem.settings)
+        }
+        .task {
+            try? await store.wait(for: .poweredOn)
+        }
+    }
+}
+
+internal extension AccessoryTabView {
+
+    enum TabItem {
+
+        case devices
+        case nearby
+        case contacts
+        case settings
+    }
+}
+
+private extension AccessoryTabView {
+
+    var devicesTabSymbol: SFSymbol {
+        if #available(iOS 16, *) {
+            return selection == .devices ? .sensor : .sensorFill
+        } else {
+            return selection == .devices ? .lightbulbFill : .lightbulb
+        }
+    }
+
+    var settingsTabSymbol: SFSymbol {
+        return selection == .settings ? .gearshape : .gearshapeFill
+    }
+}
+
+#if DEBUG
+struct AccessoryTabView_Previews: PreviewProvider {
+    static var previews: some View {
+        AccessoryTabView()
+    }
+}
+#endif