TabView.swift

struct ContentView: View {
    @State private var selection: Tab = .schedule
    
    enum Tab: Int {
        case conversations, schedule, settings
    }
    
    var body: some View {
        TabView(selection: $selection) {
            ConversationListView()
                .badge(1)
                .tabItem {
                    Image(systemName: "bubble.left.and.bubble.right.fill")
                    Text("Messages")
                }
                .tag(Tab.conversations)
            ScheduleView()
                .tabItem {
                    Image(systemName: "clock.fill")
                    Text("Schedule")
                }
                .tag(Tab.schedule)
            SettingsView()
                .tabItem {
                    Image(systemName: "gearshape.fill")
                    Text("Settings")
                }
                .tag(Tab.settings)
        }
    }
}