SwiftUI Loading View Check Network Connection - Loading View | Activity Indicator

SwiftUI Loading View Check Network Connection - Loading View | Activity Indicator

ContentView.swift

 
//
//  ContentView.swift
//  SwiftUIProject
//
//  Created by Cairocoders
//

import SwiftUI

struct ContentView: View {
    
    @State private var isLoading = false
    @State private var notconnected = false
    
    @ObservedObject var monitor = NetworkMonitor()
    
    var body: some View {
        ZStack {
            if notconnected {
                VStack {
                    Image(systemName: monitor.isConnected ? "wifi" : "wifi.slash")
                        .font(.system(size: 56))
                    Text(monitor.isConnected ? "Connected!" : "Not connected!")
                        .padding()
                }
            }else {
                Home()
            }
            
            if isLoading {
                loadingView()
            }
        }
        .onAppear {
            startCheckNetworkCall()
        }
    }
    
    func startCheckNetworkCall() {
        isLoading = true
        DispatchQueue.main.asyncAfter(deadline: .now() + 3) {
            if monitor.isConnected {
                isLoading = false
                notconnected = false
                print("Success")
            }else{
                isLoading = false
                notconnected = true
                print("not connected")
            }

        }
    }
}

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

struct loadingView: View {
    
    var body: some View {

        ZStack {
            Color(.systemBackground)
                .ignoresSafeArea()
            
            ProgressView()
                .progressViewStyle(CircularProgressViewStyle(tint: .orange))
                .scaleEffect(3)
        }
    }
}

Home.swift

 
//
//  Home.swift
//  SwiftUIProject
//
//  Created by Cairocoders
//

import SwiftUI

struct Home: View {
    var body: some View {
        NavigationView {
             
            VStack {
                HStack(spacing: 16) {
                    Image("pic")
                        .resizable()
                        .scaledToFill()
                        .frame(width: 50, height: 50)
                        .clipped()
                        .cornerRadius(50)
                        .overlay(RoundedRectangle(cornerRadius: 44)
                                    .stroke(Color(.label), lineWidth: 1)
                        )
                        .shadow(radius: 5)
                     
                     
                    VStack(alignment: .leading, spacing: 4) {
                        Text("cairocoders")
                            .font(.system(size: 24, weight: .bold))
                         
                        HStack {
                            Circle()
                                .foregroundColor(.green)
                                .frame(width: 14, height: 14)
                            Text("online")
                                .font(.system(size: 12))
                                .foregroundColor(Color(.lightGray))
                        }
                    }
                     
                    Spacer()
                    Button {
                         
                    } label: {
                        Image(systemName: "gear")
                            .font(.system(size: 24, weight: .bold))
                            .foregroundColor(Color(.label))
                    }
                }//End HStack
                .padding()
                 
                ScrollView {
                    ForEach(1..<4){i in
                        Button(action: {
                            
                        }) {
                            VStack {
                                HStack(spacing: 16) {
                                    Image("photo\(i)")
                                        .resizable()
                                        .scaledToFill()
                                        .frame(width: 50, height: 50)
                                        .clipped()
                                        .cornerRadius(50)
                                     
                                    VStack(alignment: .leading) {
                                        Text("User Name \(i)")
                                            .font(.system(size: 16, weight: .bold))
                                        Text("View Profile")
                                            .font(.system(size: 14))
                                            .foregroundColor(Color(.lightGray))
                                    }
                                    Spacer()
                                     
                                    Text("22m")
                                        .font(.system(size: 14, weight: .semibold))
                                }
                                Divider()
                                .padding(.vertical, 8)
                                 
                            }.padding(.horizontal)
                        }
                    }//End ForEach
                    .padding(.bottom, 50)
                }// End scrollview
            }
            .navigationBarHidden(true)
        }
    }
}

struct Home_Previews: PreviewProvider {
    static var previews: some View {
        Home()
    }
}

NetworkMonitor.swift

 
//
//  NetworkMonitor.swift
//  SwiftUIProject
//
//  Created by Cairocoders
//

import Foundation
import Network
 
final class NetworkMonitor: ObservableObject {
    let monitor = NWPathMonitor()
    let queue = DispatchQueue(label: "Monitor")
     
    @Published var isConnected = true
     
    init() {
        monitor.pathUpdateHandler =  { [weak self] path in
            DispatchQueue.main.async {
                self?.isConnected = path.status == .satisfied ? true : false
            }
        }
        monitor.start(queue: queue)
    }
}