iechevarria/app_notificaciones_ador
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aplicacion terminada, clase widget creada y separacion bloc

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nadia
2024-05-21 16:52:01 +02:00
parent df5651feac
commit 20a4cb7ab2
7 changed files with 248 additions and 275 deletions
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153
lib/pages/noticias
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@ -3,6 +3,8 @@ import 'package:http/http.dart' as http;
import 'package:flutter_project/bars/app_bar';
import 'package:flutter_project/bars/bottom_bar';
import 'package:html/parser.dart' as htmlParser;
import 'package:flutter_project/widgets/background_widget.dart';
class NoticiasPage extends StatefulWidget {
const NoticiasPage({Key? key}) : super(key: key);
@ -47,100 +49,91 @@ class _NoticiasPageState extends State<NoticiasPage> {
}
Future<String> cargarContenidoUrl(String url) async {
final response = await http.get(Uri.parse(url));
if (response.statusCode == 200) {
var document = htmlParser.parse(response.body);
var paragraphAndLists = document.querySelectorAll('html > body > div > center > table > tbody > tr > td > div > center > table > tbody > tr > td > table > tbody > tr > td > font > font > p, html > body > div > center > table > tbody > tr > td > div > center > table > tbody > tr > td > table > tbody > tr > td > font > font > ul');
String content = '';
String currentParagraphContent = '';
final response = await http.get(Uri.parse(url));
if (response.statusCode == 200) {
var document = htmlParser.parse(response.body);
var paragraphAndLists = document.querySelectorAll('html > body > div > center > table > tbody > tr > td > div > center > table > tbody > tr > td > table > tbody > tr > td > font > font > p, html > body > div > center > table > tbody > tr > td > div > center > table > tbody > tr > td > table > tbody > tr > td > font > font > ul');
String content = '';
String currentParagraphContent = '';
for (var element in paragraphAndLists) {
if (element.localName == 'p') {
if (currentParagraphContent.isNotEmpty) {
content += currentParagraphContent + '\n';
currentParagraphContent = '';
}
currentParagraphContent += element.text.trim() + '\n';
} else if (element.localName == 'ul') {
if (currentParagraphContent.isNotEmpty) {
content += currentParagraphContent + '\n';
currentParagraphContent = '';
}
var listItems = element.querySelectorAll('li');
for (var listItem in listItems) {
content += '- ${listItem.text.trim()}\n';
for (var element in paragraphAndLists) {
if (element.localName == 'p') {
if (currentParagraphContent.isNotEmpty) {
content += currentParagraphContent + '\n';
currentParagraphContent = '';
}
currentParagraphContent += element.text.trim() + '\n';
} else if (element.localName == 'ul') {
if (currentParagraphContent.isNotEmpty) {
content += currentParagraphContent + '\n';
currentParagraphContent = '';
}
var listItems = element.querySelectorAll('li');
for (var listItem in listItems) {
content += '- ${listItem.text.trim()}\n';
}
}
}
}
if (currentParagraphContent.isNotEmpty) {
content += currentParagraphContent + '\n';
}
if (currentParagraphContent.isNotEmpty) {
content += currentParagraphContent + '\n';
}
return content;
} else {
throw Exception('Fallo al cargar contenido de URL: $url');
return content;
} else {
throw Exception('Fallo al cargar contenido de URL: $url');
}
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const CustomAppBar(),
body: Stack(
children: [
Positioned.fill(
child: Image(
image: AssetImage('assets/logo-fondo-verde.png'),
fit: BoxFit.cover,
),
),
ListView.builder(
itemCount: noticiasPorTitulo.length,
itemBuilder: (context, index) {
String titulo = noticiasPorTitulo.keys.elementAt(index);
List<Future<String>>? noticias = noticiasPorTitulo[titulo];
body: BackgroundWidget(
child: ListView.builder(
itemCount: noticiasPorTitulo.length,
itemBuilder: (context, index) {
String titulo = noticiasPorTitulo.keys.elementAt(index);
List<Future<String>>? noticias = noticiasPorTitulo[titulo];
return FutureBuilder<List<String>>(
future: Future.wait(noticias ?? []),
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return CircularProgressIndicator();
} else if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
} else if (!snapshot.hasData) {
return Text('No hay datos');
} else {
return Container(
color: Colors.white.withOpacity(0.5), // Fondo blanco con 50% de opacidad
margin: const EdgeInsets.all(8.0),
padding: const EdgeInsets.all(8.0),
child: ExpansionTile(
title: Text(
titulo,
style: TextStyle(fontWeight: FontWeight.bold),
),
children: snapshot.data!.map((noticia) {
return Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
noticia,
style: TextStyle(fontSize: 16.0),
),
);
}).toList(),
return FutureBuilder<List<String>>(
future: Future.wait(noticias ?? []),
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return CircularProgressIndicator();
} else if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
} else if (!snapshot.hasData) {
return Text('No hay datos');
} else {
return Container(
color: Colors.white.withOpacity(0.5), // Fondo blanco con 50% de opacidad
margin: const EdgeInsets.all(8.0),
padding: const EdgeInsets.all(8.0),
child: ExpansionTile(
title: Text(
titulo,
style: TextStyle(fontWeight: FontWeight.bold),
),
);
}
},
);
},
),
],
children: snapshot.data!.map((noticia) {
return Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
noticia,
style: TextStyle(fontSize: 16.0),
),
);
}).toList(),
),
);
}
},
);
},
),
),
bottomNavigationBar: const CustomBottomBar(),
);
}
}
}