تحليل JSON

import 'dart:convert';

final data = jsonDecode(response.body);
print(data["title"]);          // map
print(data[0]["name"]);        // list of maps

class Post {
  final int id;
  final String title;

  Post({required this.id, required this.title});

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

Future<List<Post>> fetchPosts() async {
  final response = await http.get(uri);
  final List data = jsonDecode(response.body);
  return data.map((json) => Post.fromJson(json)).toList();
}

Map<String, dynamic> toJson() => {
  "id": id,
  "title": title,
};