fg code example

Example: fg

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

class Album {
  final int id;
  final int userId;
  final String title;

  Album({
    @required this.id,
    @required this.userId,
    @required this.title,
  });

  factory Album.fromJson(Map<String, dynamic> json) {
    return Album(
      id: json['id'],
      userId: json['userId'],
      title: json['title'],
    );
  }
}

Future<Album> fetcAlbum() async {
  final response = await http.get(
    Uri.parse('https://jsonplaceholder.typicode.com/albums/1'),
  );

  if (response.statusCode == 200) {
    return Album.fromJson(jsonDecode(response.body));
  } else {
    throw Exception('Failed to load album');
  }
}

void main() => runApp(MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  Future<Album> futureAlbum;
  @override
  void initState() {
    super.initState();
    futureAlbum = fetcAlbum();
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: FutureBuilder<Album>(
          future: futureAlbum,
          builder: (context, snapshot) => snapshot.hasData
              ? Center(child: Text(snapshot.data.title))
              : CircularProgressIndicator(),
        ),
      ),
    );
  }
}