diff --git a/lib/login.dart b/lib/login.dart deleted file mode 100644 index 80f2e88..0000000 --- a/lib/login.dart +++ /dev/null @@ -1,64 +0,0 @@ -import 'package:flutter/material.dart'; - -class PantallaInicioSesion extends StatefulWidget { - @override - _PantallaInicioSesionState createState() => _PantallaInicioSesionState(); -} - -class _PantallaInicioSesionState extends State { - final _formKey = GlobalKey(); - final TextEditingController _usuarioController = TextEditingController(); - final TextEditingController _contrasenaController = TextEditingController(); - - void _iniciarSesion() { - if (_formKey.currentState!.validate()) { - Navigator.pushReplacementNamed(context, '/categorias'); - } - } - - @override - Widget build(BuildContext context) { - return Scaffold( - appBar: AppBar( - title: Text('Inicio de Sesión'), - ), - body: Padding( - padding: EdgeInsets.all(16.0), - child: Form( - key: _formKey, - child: Column( - mainAxisAlignment: MainAxisAlignment.center, - children: [ - TextFormField( - controller: _usuarioController, - decoration: InputDecoration(labelText: 'Usuario'), - validator: (value) { - if (value!.isEmpty) { - return 'Por favor ingrese su usuario'; - } - return null; - }, - ), - TextFormField( - controller: _contrasenaController, - decoration: InputDecoration(labelText: 'Contraseña'), - obscureText: true, - validator: (value) { - if (value!.isEmpty) { - return 'Por favor ingrese su contraseña'; - } - return null; - }, - ), - SizedBox(height: 20), - ElevatedButton( - onPressed: _iniciarSesion, - child: Text('Iniciar Sesión'), - ), - ], - ), - ), - ), - ); - } -} diff --git a/lib/main.dart b/lib/main.dart index d2391df..8e94089 100644 --- a/lib/main.dart +++ b/lib/main.dart @@ -1,8 +1,5 @@ import 'package:flutter/material.dart'; -import 'login.dart'; - - void main() { runApp(const MyApp()); } @@ -10,37 +7,119 @@ void main() { class MyApp extends StatelessWidget { const MyApp({super.key}); + // This widget is the root of your application. @override Widget build(BuildContext context) { return MaterialApp( title: 'Flutter Demo', theme: ThemeData( + // This is the theme of your application. + // + // TRY THIS: Try running your application with "flutter run". You'll see + // the application has a purple toolbar. Then, without quitting the app, + // try changing the seedColor in the colorScheme below to Colors.green + // and then invoke "hot reload" (save your changes or press the "hot + // reload" button in a Flutter-supported IDE, or press "r" if you used + // the command line to start the app). + // + // Notice that the counter didn't reset back to zero; the application + // state is not lost during the reload. To reset the state, use hot + // restart instead. + // + // This works for code too, not just values: Most code changes can be + // tested with just a hot reload. colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple), useMaterial3: true, ), - initialRoute: '/', - routes: { - '/': (context) => PantallaInicioSesion(), - '/categorias': (context) => CategoriasListScreen(), - }, + home: const MyHomePage(title: 'Flutter Demo Home Page'), ); } } -// Aquí va tu CategoriasListScreen para la pantalla de categorías. -// Crea un archivo llamado categorias_list_screen.dart en la carpeta lib/screens -// y define la pantalla de categorías. Aquí tienes un ejemplo básico: +class MyHomePage extends StatefulWidget { + const MyHomePage({super.key, required this.title}); + + // This widget is the home page of your application. It is stateful, meaning + // that it has a State object (defined below) that contains fields that affect + // how it looks. + + // This class is the configuration for the state. It holds the values (in this + // case the title) provided by the parent (in this case the App widget) and + // used by the build method of the State. Fields in a Widget subclass are + // always marked "final". + + final String title; + + @override + State createState() => _MyHomePageState(); +} + +class _MyHomePageState extends State { + int _counter = 0; + + void _incrementCounter() { + setState(() { + // This call to setState tells the Flutter framework that something has + // changed in this State, which causes it to rerun the build method below + // so that the display can reflect the updated values. If we changed + // _counter without calling setState(), then the build method would not be + // called again, and so nothing would appear to happen. + _counter++; + }); + } -class CategoriasListScreen extends StatelessWidget { @override Widget build(BuildContext context) { + // This method is rerun every time setState is called, for instance as done + // by the _incrementCounter method above. + // + // The Flutter framework has been optimized to make rerunning build methods + // fast, so that you can just rebuild anything that needs updating rather + // than having to individually change instances of widgets. return Scaffold( appBar: AppBar( - title: Text('Categorias'), + // TRY THIS: Try changing the color here to a specific color (to + // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar + // change color while the other colors stay the same. + backgroundColor: Theme.of(context).colorScheme.inversePrimary, + // Here we take the value from the MyHomePage object that was created by + // the App.build method, and use it to set our appbar title. + title: Text(widget.title), ), body: Center( - child: Text('Lista de Categorías'), + // Center is a layout widget. It takes a single child and positions it + // in the middle of the parent. + child: Column( + // Column is also a layout widget. It takes a list of children and + // arranges them vertically. By default, it sizes itself to fit its + // children horizontally, and tries to be as tall as its parent. + // + // Column has various properties to control how it sizes itself and + // how it positions its children. Here we use mainAxisAlignment to + // center the children vertically; the main axis here is the vertical + // axis because Columns are vertical (the cross axis would be + // horizontal). + // + // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint" + // action in the IDE, or press "p" in the console), to see the + // wireframe for each widget. + mainAxisAlignment: MainAxisAlignment.center, + children: [ + const Text( + 'You have pushed the button this many times:', + ), + Text( + '$_counter', + style: Theme.of(context).textTheme.headlineMedium, + ), + ], + ), ), + floatingActionButton: FloatingActionButton( + onPressed: _incrementCounter, + tooltip: 'Increment', + child: const Icon(Icons.add), + ), // This trailing comma makes auto-formatting nicer for build methods. ); } } diff --git a/lib/src/pages/articles_page.dart b/lib/src/pages/articles_page.dart new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/lib/src/pages/articles_page.dart diff --git a/lib/src/pages/home_page.dart b/lib/src/pages/home_page.dart new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/lib/src/pages/home_page.dart diff --git a/lib/src/pages/login_page.dart b/lib/src/pages/login_page.dart new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/lib/src/pages/login_page.dart