NASA 2018

article_screen.dart

//import 'dart:convert';
//import 'package:flutter/material.dart';
//import 'package:nasa/Model/Model.dart';
//import 'dart:async';
//import 'package:http/http.dart' as http;
//import 'package:url_launcher/url_launcher.dart';
//
////String API_KEY = 'National';
//Future<List<Article>> fetchArticleBySource(String source) async{
//
//
//  final response =
////    await http.get('https://launchlibrary.net/1.4/agency?name==${API_KEY}');
//
//  if(response.statusCode == 200) //HTTP
//      {
//    List articles = json.decode(response.body)['articles'];
//    return articles.map((article) => new Article.fromJson(article)).toList();
//  }
//  else
//  {
//    throw Exception('Failed to load article list');
//
//  }
//}
//
//class  ArticleScreen extends StatefulWidget{
//
//  final Source source;
//
//  ArticleScreen({Key key, @required this.source}):super(key:key);
//
//  @override
//  State<StatefulWidget> createState() => ArticleScreenState();
//
//}
//
//class ArticleScreenState extends State<ArticleScreen>{
//
//  var list_articles;
//  var refreshKey = GlobalKey<RefreshIndicatorState>();
//
//  @override
//  void initState(){
//
//    refreshListArticle();
//
//  }
//
//  Future<Null> refreshListArticle() async{
//
//    refreshKey.currentState?.show(atTop: false);
//
//    setState(() {
//      list_articles = fetchArticleBySource(widget.source.id);
//    });
//
//    return null;
//
//  }
//
//  @override
//  Widget build(BuildContext context) {
//    return MaterialApp(
//
//      title: 'Nasa launch time',
//      theme: ThemeData(primarySwatch: Colors.blue),
//      home:  Scaffold(
//        appBar:  AppBar(title: Text(widget.source.name)),
//        body: Center(
//
//          child: RefreshIndicator( key: refreshKey,
//            child: FutureBuilder<List<Article>>(
//            future: list_articles,
//            builder: (context, snapshot){
//              if(snapshot.hasError){
//                return Text('${snapshot.error}');
//              }else if(snapshot.hasData){
//                List<Article> articles = snapshot.data;
//                return ListView(
//                  children: articles.map((article) => GestureDetector(
//                    onTap: (){
//
//                      _launchUrl(article.url);
//                    },
//                    child: Card(
//                      elevation:  1.0,
//                      color:  Colors.white,
//                      margin:  const EdgeInsets.symmetric(vertical: 8.0, horizontal: 8.0),
//                      child: Row(
//                        crossAxisAlignment: CrossAxisAlignment.start,
//                        children: <Widget>[
//                          Container(
//                            margin: const EdgeInsets.symmetric(vertical: 20.0, horizontal: 4.0),
//                            width: 100.0,
//                            height: 100.0,
//                            child: article.urlToImage != null ? Image.network(article.urlToImage): Image.asset("assets/nasa.jpg"),
//
//                          ),
//                          Expanded(
//                            child: Column(
//                              crossAxisAlignment: CrossAxisAlignment.start,
//                              children: <Widget>[
//                                Row(
//                                  children: <Widget>[
//                                    Expanded(
//
//                                      child: Container(
//                                        margin: const EdgeInsets.only(left: 8.0,top: 20.0,bottom: 10.0),
//                                        child: Text(
//                                          '${article.title}',
//                                          style: TextStyle(
//                                            fontSize: 16.0,
//                                            fontWeight: FontWeight.bold
//                                          ),
//
//                                        ),
//                                      ),
//                                    )
//                                  ],
//                                ),
//
//                                Container(
//                                  margin: const EdgeInsets.only(left: 8.0),
//                                  child: Text(
//                                    '${article.description}',
//                                    style: TextStyle(
//                                        fontSize: 12.0,
//                                        color: Colors.grey,
//                                        fontWeight: FontWeight.bold
//                                    )
//
//                                  ),
//                                ),
//
//
//                                Container(
//                                  margin: const EdgeInsets.only(left: 8.0, top: 10.0, bottom: 10.0),
//                                  child: Text(
//                                      'Pulished At: ${article.publishedAt}',
//                                      style: TextStyle(
//                                          fontSize: 12.0,
//                                          color: Colors.black12,
//                                          fontWeight: FontWeight.bold
//                                      )
//
//                                  ),
//                                ),
//
//                              ],
//                            ),
//
//                          )
//                        ],
//                      ),
//
//                    ),
//                  )).toList(),
//                );
//              }
//              return CircularProgressIndicator();
//
//            },
//
//          ),
//          onRefresh: refreshListArticle),
//
//
//        )
//      ),
//
//    );
//
//  }
//
//   _launchUrl(String url) async {
//     if (await canLaunch(url)) {
//       await launch(url);
//     } else {
//       throw ('Could not launch ${url}');
//     }
//   }
//
//}
//
//
//

main.dart

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

Future<List<Source>> fetchNewsSource() async{


  final response =
    await http.get("https://launchlibrary.net/1.4/agency?name=National");

  if(response.statusCode == 200) //HTTP
  {
    List sources = json.decode(response.body)['sources'];
    return sources.map((source) => new Source.fromJson(source)).toList();
  }
  else
    {
      throw Exception('Failed to load source list');

    }
}

void main() => runApp(new SourceSccreen());

class SourceSccreen extends StatefulWidget{


  @override
  State<StatefulWidget> createState() => SourceSccreenState();


}

class SourceSccreenState extends State<SourceSccreen>{

  var list_sources;
  var refreshKey = GlobalKey<RefreshIndicatorState>();

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


  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title:'Rocket SCHDUEL',
      theme: ThemeData(primarySwatch: Colors.blue),
      home:  Scaffold(
        appBar: AppBar(title: Text('Rocket time'),),
        body: Center(
          child: RefreshIndicator(
              key: refreshKey,
              child: FutureBuilder<List<Source>>(
                future: list_sources,
                builder: (context, snapshot){
                  if(snapshot.hasError){
                      return Text('Error: ${snapshot.error}');
                  }
                  else if(snapshot.hasData)
                    {
                      List<Source> sources = snapshot.data;
                      return new ListView(
                        children: sources.map((source) => GestureDetector(
                        onTap:(){
//                              something here
////                          Navigator.push(context, MaterialPageRoute(builder: (context) => ArticleScreen(source:source)));
//
                        },
                          child: Card(
                            elevation: 1.0,
                              color: Colors.white,
                              margin: const EdgeInsets.symmetric(vertical:8.0,horizontal:14.0),
//
                              child: Row(

                             ),
//
                          ),
//
                        )
//
                          ).toList());
//
                    }
                    return CircularProgressIndicator();
                },
              )
//
//
              , onRefresh: refreshListSource),
        ),

      ),

    );
  }

  Future<Null> refreshListSource() async{

    refreshKey.currentState?.show(atTop: false);

    setState(() {
      list_sources = fetchNewsSource();
    });
    return null;

  }



}

model.dart

class NasaAPI{

  final String status;
  final List<Source> sources;

  NasaAPI({this.status, this.sources});

  factory NasaAPI.fromJson(Map<String, dynamic> json)
  {
    return NasaAPI( status: json['status'],
    sources: (json['sources'] as List).map((source) => Source.fromJson(source)).toList());


  }

}

class Source {

  final String id ;
  final String name ;
  final String countryCode ;
  final String abbrev ;
  final String type ;
  final String infoURL ;
  final String wikiURL ;
  final String infoURLs ;
  final String islsp;
  final String changed ;

  Source({this.id, this.name, this.countryCode, this.abbrev, this.type, this.infoURL, this.wikiURL, this.infoURLs, this.islsp, this.changed});




  factory Source.fromJson(Map<String,dynamic> json)
  {
    return Source (

    id: json['id'],
    name: json['name'],
      countryCode: json['countryCode'],
      abbrev: json['abbrev'],
      type: json['type'],
      infoURL: json['infoURL'],
      wikiURL: json['wikiURL'],
      infoURLs: json['infoURLs'],
      islsp: json['islsp'],
      changed: json['changed'],
    );

  }


}