Future bulider giving error type 'List<dynamic>' is not a subtype of type 'FutureOr<Map<dynamic, dyn

[Gopal Jangid]

The whole code is pasted below please help.




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

void main(){
  runApp(
    new MaterialApp(
      title: 'app',
      home: new Home(),
    )
  );
}

class Home extends StatefulWidget {
  @override
  _HomeState createState() => _HomeState();
}

class _HomeState extends State<Home> {
  String _mySelection;
  List<Map> _myJson = [{"id":0,"name":"<New>"},{"id":1,"name":"Test Practice"}];

  Future<List<Map>> getData() async{
    http.Response response = await http.get('http://192.168.0.6/php/mssql_connection/get_username.php');
    print(response.body.toString());
    return json.decode(response.body);
  }

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      body: new Center(
        child: new FutureBuilder<List<Map>>(
          future: getData(),
          builder: (context,snapshot){
            if(snapshot.hasError) print(snapshot.error);
            if(snapshot.hasData){
              return new DropdownButton<String>(
                isDense: true,
                hint: new Text("Select"),
                value: _mySelection,
                onChanged: (String newValue) {

                  setState(() {
                    _mySelection = newValue;
                  });

                  print (_mySelection);
                },
                items: snapshot.data.map((Map map) {
                  return new DropdownMenuItem<String>(
                    value: map["cunm"].toString(),
                    child: new Text(
                      map["cunm"],
                    ),
                  );
                }).toList(),
              );
            }else{
              return new CircularProgressIndicator();
            }
          },
        ),
      ),
    );
  }
}

[Ramón Estay]

Could you print the response.data?