UPGRADE YOUR SKILLS: Learn advanced Swift and SwiftUI on Hacking with Swift+! >>

SOLVED: Error Fetching Simple Json Data (books)

Forums > SwiftUI

API

import SwiftUI

struct Livro: Codable, Hashable {
    public var titulo: String
    public var descricao: String

}

class FetchLivros: ObservableObject {
  // 1.
  @Published var livros = [Livro]()

    init() {
        let url = URL(string: "http://my-json-server.typicode.com/maujor/livros-json/livros")!

        // 2.
        URLSession.shared.dataTask(with: url) {(data, response, error) in
            do {
                if let livroData = data {
                    // 3.
                    let decodedData = try JSONDecoder().decode([Livro].self, from: livroData)
                    DispatchQueue.main.async {
                        self.livros = decodedData
                    }
                } else {
                    print("Nada encontrado")
                }
            } catch {
                print("Erro")
            }
        }.resume()
    }
}

ContentView

//
//  ContentView.swift
//  livrosAPI
//
//  Created by Guilherme on 03/06/21.
//

import SwiftUI

struct ContentView: View {
    @ObservedObject var fetch = FetchLivros()
    var body: some View {

        VStack {
            Text("Lista de Livros")
                .padding()

            List(fetch.livros, id: \.self) { item in
                Text(item.titulo)
                Text(item.descricao)
            }

            Spacer()
        }

    }
}

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

Whats my Error ?????

2      

Itt only need https and it works!

2      

BUILD THE ULTIMATE PORTFOLIO APP Most Swift tutorials help you solve one specific problem, but in my Ultimate Portfolio App series I show you how to get all the best practices into a single app: architecture, testing, performance, accessibility, localization, project organization, and so much more, all while building a SwiftUI app that works on iOS, macOS and watchOS.

Get it on Hacking with Swift+

Sponsor Hacking with Swift and reach the world's largest Swift community!

Archived topic

This topic has been closed due to inactivity, so you can't reply. Please create a new topic if you need to.

All interactions here are governed by our code of conduct.

 
Unknown user

You are not logged in

Log in or create account
 

Link copied to your pasteboard.