add basic nav bar

tg_test.xcodeproj/project.pbxproj

@@ -241,6 +241,7 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = TS8C84TZ9K;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
@@ -272,6 +273,7 @@
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = TS8C84TZ9K;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;

tg_test.xcodeproj/xcuserdata/chenyicheng.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Bucket
+   uuid = "15409E4D-CAD3-4F4A-966E-BCD436D02E27"
+   type = "1"
+   version = "2.0">
+   <Breakpoints>
+      <BreakpointProxy
+         BreakpointExtensionID = "Xcode.Breakpoint.SymbolicBreakpoint">
+         <BreakpointContent
+            uuid = "0FA65527-3D03-4E13-8178-2FD8EE7ED3FD"
+            shouldBeEnabled = "Yes"
+            ignoreCount = "0"
+            continueAfterRunningActions = "No"
+            symbolName = ""
+            moduleName = "">
+            <Locations>
+            </Locations>
+         </BreakpointContent>
+      </BreakpointProxy>
+   </Breakpoints>
+</Bucket>

tg_test/ContentView.swift

@@ -9,13 +9,27 @@ import SwiftUI
 
 struct ContentView: View {
     var body: some View {
-        VStack {
+        TabView {
-            Image(systemName: "globe")
+            HomeView()
-                .imageScale(.large)
+                .tabItem {
-                .foregroundStyle(.tint)
+                    Label("Home", systemImage: "house.fill")
-            Text("Hello, world!")
+                }
+            
+            SearchView()
+                .tabItem {
+                    Label("Search", systemImage: "magnifyingglass")
+                }
+            
+            NotificationsView()
+                .tabItem {
+                    Label("Notifications", systemImage: "bell.fill")
+                }
+            
+            ProfileView()
+                .tabItem {
+                    Label("Profile", systemImage: "person.fill")
+                }
         }
-        .padding()
     }
 }
 

tg_test/HomeView.swift

@@ -0,0 +1,74 @@
+//
+//  HomeView.swift
+//  tg_test
+//
+
+import SwiftUI
+
+struct HomeView: View {
+    private let sampleItems = [
+        "Getting Started with SwiftUI",
+        "Understanding NavigationStack",
+        "Building Tab Bars",
+        "Customizing UI Components"
+    ]
+    
+    var body: some View {
+        NavigationStack {
+            List {
+                Section {
+                    VStack(alignment: .leading, spacing: 8) {
+                        Text("Welcome to iOS Dev! 🚀")
+                            .font(.title2)
+                            .bold()
+                        Text("This is your Home Tab. Explore how lists and navigation links work below.")
+                            .font(.subheadline)
+                            .foregroundStyle(.secondary)
+                    }
+                    .padding(.vertical, 8)
+                }
+                
+                Section("Tutorial Highlights") {
+                    ForEach(sampleItems, id: \.self) { item in
+                        NavigationLink(destination: DetailView(title: item)) {
+                            Label(item, systemImage: "book.fill")
+                        }
+                    }
+                }
+            }
+            .navigationTitle("Home")
+        }
+    }
+}
+
+struct DetailView: View {
+    let title: String
+    
+    var body: some View {
+        VStack(spacing: 16) {
+            Image(systemName: "doc.text.fill")
+                .font(.system(size: 60))
+                .foregroundStyle(.blue)
+            
+            Text(title)
+                .font(.title2)
+                .bold()
+                .multilineTextAlignment(.center)
+            
+            Text("This is a detail view demonstrating push navigation inside SwiftUI's NavigationStack.")
+                .font(.body)
+                .foregroundStyle(.secondary)
+                .multilineTextAlignment(.center)
+                .padding(.horizontal)
+            
+            Spacer()
+        }
+        .padding()
+        .navigationTitle("Detail")
+        .navigationBarTitleDisplayMode(.inline)
+    }
+}
+
+#Preview {
+    HomeView()
+}

tg_test/NotificationsView.swift

@@ -0,0 +1,56 @@
+//
+//  NotificationsView.swift
+//  tg_test
+//
+
+import SwiftUI
+
+struct AppNotification: Identifiable {
+    let id = UUID()
+    let title: String
+    let message: String
+    let time: String
+    let icon: String
+}
+
+struct NotificationsView: View {
+    private let notifications: [AppNotification] = [
+        AppNotification(title: "Welcome aboard!", message: "Thanks for starting your iOS development journey.", time: "2m ago", icon: "sparkles"),
+        AppNotification(title: "Build Successful", message: "Your tab navigation app built with 0 errors.", time: "1h ago", icon: "checkmark.circle.fill"),
+        AppNotification(title: "New SwiftUI Feature", message: "Check out the latest navigation features.", time: "1d ago", icon: "star.fill")
+    ]
+    
+    var body: some View {
+        NavigationStack {
+            List(notifications) { item in
+                HStack(alignment: .top, spacing: 12) {
+                    Image(systemName: item.icon)
+                        .font(.title2)
+                        .foregroundStyle(.blue)
+                        .frame(width: 32)
+                    
+                    VStack(alignment: .leading, spacing: 4) {
+                        HStack {
+                            Text(item.title)
+                                .font(.headline)
+                            Spacer()
+                            Text(item.time)
+                                .font(.caption)
+                                .foregroundStyle(.secondary)
+                        }
+                        
+                        Text(item.message)
+                            .font(.subheadline)
+                            .foregroundStyle(.secondary)
+                    }
+                }
+                .padding(.vertical, 4)
+            }
+            .navigationTitle("Notifications")
+        }
+    }
+}
+
+#Preview {
+    NotificationsView()
+}

tg_test/ProfileView.swift

@@ -0,0 +1,60 @@
+//
+//  ProfileView.swift
+//  tg_test
+//
+
+import SwiftUI
+
+struct ProfileView: View {
+    @State private var notificationsEnabled = true
+    @State private var darkModeEnabled = false
+    
+    var body: some View {
+        NavigationStack {
+            List {
+                Section {
+                    HStack(spacing: 16) {
+                        Image(systemName: "person.crop.circle.fill")
+                            .font(.system(size: 60))
+                            .foregroundStyle(.blue)
+                        
+                        VStack(alignment: .leading, spacing: 4) {
+                            Text("iOS Developer")
+                                .font(.title3)
+                                .bold()
+                            Text("developer@example.com")
+                                .font(.subheadline)
+                                .foregroundStyle(.secondary)
+                        }
+                    }
+                    .padding(.vertical, 8)
+                }
+                
+                Section("Preferences") {
+                    Toggle("Enable Notifications", isOn: $notificationsEnabled)
+                    Toggle("Dark Mode", isOn: $darkModeEnabled)
+                }
+                
+                Section("App Information") {
+                    HStack {
+                        Text("Version")
+                        Spacer()
+                        Text("1.0.0")
+                            .foregroundStyle(.secondary)
+                    }
+                    HStack {
+                        Text("Framework")
+                        Spacer()
+                        Text("SwiftUI")
+                            .foregroundStyle(.secondary)
+                    }
+                }
+            }
+            .navigationTitle("Profile")
+        }
+    }
+}
+
+#Preview {
+    ProfileView()
+}

tg_test/SearchView.swift

@@ -0,0 +1,56 @@
+//
+//  SearchView.swift
+//  tg_test
+//
+
+import SwiftUI
+
+struct SearchView: View {
+    @State private var searchText = ""
+    private let categories = ["SwiftUI", "Xcode", "iOS 18", "Design", "Swift", "Animations"]
+    
+    var filteredCategories: [String] {
+        if searchText.isEmpty {
+            return categories
+        } else {
+            return categories.filter { $0.localizedCaseInsensitiveContains(searchText) }
+        }
+    }
+    
+    var body: some View {
+        NavigationStack {
+            ScrollView {
+                VStack(alignment: .leading, spacing: 16) {
+                    Text("Browse Categories")
+                        .font(.headline)
+                        .padding(.horizontal)
+                    
+                    LazyVGrid(columns: [GridItem(.flexible()), GridItem(.flexible())], spacing: 12) {
+                        ForEach(filteredCategories, id: \.self) { category in
+                            VStack {
+                                Image(systemName: "folder.fill")
+                                    .font(.largeTitle)
+                                    .foregroundStyle(.blue)
+                                Text(category)
+                                    .font(.callout)
+                                    .bold()
+                            }
+                            .frame(maxWidth: .infinity)
+                            .padding()
+                            .background(Color(.secondarySystemBackground))
+                            .clipShape(RoundedRectangle(cornerRadius: 12))
+                        }
+                    }
+                    .padding(.horizontal)
+                }
+                .padding(.top)
+            }
+            .navigationTitle("Search")
+            .searchable(text: $searchText, prompt: "Search topics...")
+        }
+    }
+}
+
+#Preview {
+    SearchView()
+}