API Calling with Dio Library (Second API)

 import "package:flutter/material.dart";

import "package:dio/dio.dart";

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: "Second API Calling with Dio",
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        appBarTheme: const AppBarTheme(
          backgroundColor: Colors.grey,
          centerTitle: true,
        ),
      ),
      home: const SecondDio(),
    );
  }
}

class SecondDio extends StatefulWidget {
  const SecondDio({super.key});

  @override
  State<SecondDio> createState() {
    return SecondDioState();
  }
}

class SecondDioState extends State<SecondDio> {
  var jsonlist = [];

  @override
  void initState() {
    super.initState();
    getData();
  }

  void getData() async {
    try {
      var response =
          await Dio().get("https://jsonplaceholder.typicode.com/posts");
      print(response);

      if (response.statusCode == 200) {
        setState(
          () {
            jsonlist = response.data as List;
          },
        );
      } else {
        print(response.statusCode);
      }
    } catch (e) {
      print(e);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text(
          "Second API Calling with Dio",
          style: TextStyle(fontWeight: FontWeight.bold),
        ),
      ),
      body: ListView.builder(
        itemCount: jsonlist == null ? 0 : jsonlist.length,
        itemBuilder: (context, index) {
          return Card(
            child: ListTile(
              title: Text("Userid : ${jsonlist[index]["userId"].toString()}"),
              subtitle: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    "Id : ${jsonlist[index]["id"].toString()}",
                    style: const TextStyle(fontWeight: FontWeight.bold),
                  ),
                  Text(
                    "Title: ${jsonlist[index]["title"]}",
                    style: const TextStyle(fontWeight: FontWeight.bold),
                  ),
                  const SizedBox(height: 10.0),
                  Text("Body : ${jsonlist[index]["body"]}"),
                ],
              ),
            ),
          );
        },
      ),
    );
  }
}