hmmm

import 'dart:convert';

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

Future<Post> fetch() async {

    final response = await http.get("https://api.myjson.com/bins/y7c41");

    if(response.statusCode == 200){
      return Post.fromJson(json.decode(response.body));
    }
    else{
      throw Exception('Failde To Request');
    }

}

class Post{

  //Ini Class Untuk Parse JSON nya bang
  final String nama;
  final String pass;

  Post({this.nama, this.pass});

  factory Post.fromJson(Map<String, dynamic> json){
    return Post(
      nama: json['nama'],
      pass: json['password']
    );
  }

}

class Login extends StatefulWidget {
  final Future<Post> post;

  Login({Key key, this.post}) : super(key: key);

  _LoginState createState() => _LoginState();
}

class _LoginState extends State<Login> {


  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: FutureBuilder<Post>(
          future: widget.post,
          builder: (context, snapshot){
            if(snapshot.hasData){
              if (snapshot.data.nama == "Ilzam" && snapshot.data.pass == "Suku Gans") {
                return Text("Username Dan Password Anda Benar");
              }
              else if(snapshot.data.nama != "Ilzam" || snapshot.data.pass != "Suku Gans"){
                return Text("Username Atau Password Anda Salah");
              }
              else if (snapshot.hasError) {
                return Text("${snapshot.error}");
              }
            }
            else{
               return CircularProgressIndicator();
            }

          },
        ),
      ),
    );
  }
}