JSON with SwiftUI using Array - swift

Question

I am new to SwiftUI and only used UIKit before. I tried to use JSON to show a title but all tutorial videos work with lists. I dont want to use any list with JSON which shows all data. Only want to fetch for example the second or a specific array for title.
How can I remove the list in SwiftUI?
My View:
struct ContentView: View {
#ObservedObject var networkManager = NetworkManager()
var body: some View {
NavigationView {
List(networkManager.posts) { post in
HStack {
Text(String(post.points))
Text(post.title)
}}
.navigationBarTitle("H4X0R NEWS")
}
.onAppear {
self.networkManager.fetchData()
}
}
}
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
ContentView()
}
}
NetworkManager:
class NetworkManager: ObservableObject {
#Published var posts = [Post]()
func fetchData() {
if let url = URL(string: "https://hn.algolia.com/api/v1/search?tags=front_page") {
let session = URLSession(configuration: .default)
let task = session.dataTask(with: url) { (data, response, error) in
if error == nil {
let decoder = JSONDecoder()
if let safeData = data {
do {
let results = try decoder.decode(Results.self, from: safeData)
DispatchQueue.main.async {
self.posts = results.hits
}
} catch {
print(error)
}
}
}
}
task.resume()
}
}
}
And my struct files for Json:
struct Results: Decodable {
let hits: [Post]
}
struct Post: Decodable, Identifiable {
var id: String {
return objectID
}
let objectID: String
let points: Int
let title: String
}

Answer 1

I dont want to use any list with JSON which shows all data. Only want
to fetch for example the second or a specific array for title.
You can use a computed property to access the specific element (and its title) from the posts array:
struct ContentView: View {
#ObservedObject var networkManager = NetworkManager()
// return the title of the second item in the `posts` array
var title: String {
guard networkManager.posts.count >= 2 else {
// decide what to do when data is not yet loaded or count is <= 1
return "Loading..."
}
return networkManager.posts[1].title
}
var body: some View {
NavigationView {
Text(title)
.navigationBarTitle("H4X0R NEWS")
}
.onAppear {
self.networkManager.fetchData()
}
}
}