main.dart

import 'dart:async';
import 'dart:convert' show utf8, json;
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

void main() => runApp(new MaterialApp(home: new MTextInput()));

class MTextInput extends StatefulWidget {
  @override
  MTextInputState createState() => new MTextInputState();
}

Future<Map<String, dynamic>> getInstitutes(HttpClient client) async {
  final String url = "https://kretaglobalmobileapi.ekreta.hu/api/v1/Institute";

  final HttpClientRequest request = await client.getUrl(Uri.parse(url))
    ..headers.add("Accept", "application/json")
    ..headers.add("HOST", "kretaglobalmobileapi.ekreta.hu")
    ..headers.add("apiKey", "7856d350-1fda-45f5-822d-e1a2f3f1acf0")
    ..headers.add("Connection", "keep-alive");

  final HttpClientResponse response = await request.close();
  print(json.decode(await response.join()));

  return json.decode(await response.transform(utf8.decoder).join());
}


Future<http.Response> fetchPost() {
  return http.get(
    "https://kretaglobalmobileapi.ekreta.hu/api/v1/Institute",
    // Send authorization headers to your backend
      headers : {"apiKey": "7856d350-1fda-45f5-822d-e1a2f3f1acf0", "Connection": "keep-alive",
        "Accept": "application/json", "HOST": "kretaglobalmobileapi.ekreta.hu"}
  );
}



void login() async {

  print((await fetchPost()).body);
  print((await fetchPost()).body.length);
}

class MTextInputState extends State<MTextInput> {
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
        appBar: new AppBar(title: new Text("E-napló"),),
        body: new Container(
            child: new Center(
              child: new IconButton(
                  icon: new Icon(Icons.add),
                  onPressed: login
                  ),
            )
        )
    );
  }
}