tabbar

ContentView.swift

//
//  ContentView.swift
//  Example-iOS
//
//  Created by Alex.M on 26.05.2022.
//

import SwiftUI

class Visible: ObservableObject {
    @Published var visible: Visibility = .visible
}


struct New: View {
    @EnvironmentObject var visible: Visible
    
    var body: some View {
        Text("Hello, World!")
            .onAppear {
                withAnimation(.spring()) {
                    visible.visible = .hidden
                }
            }
            .onDisappear {
                withAnimation(.spring()) {
                    visible.visible = .visible
                }
            }
    }
}



struct ContentView: View {
    @StateObject var visible: Visible = Visible()
    var body: some View {
        TabView {
            NavigationView {
                VStack{
                    NavigationLink {
                        New()
                    } label: {
                        Text("Home")
                    }
                }
            }.toolbar(visible.visible, for: .tabBar)
                .tabItem {
                    Label("Home", systemImage: "gear")
                }
        }.environmentObject(visible)
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}