LAPORAN PRAKTIKUM ALIKASI MOBILE 4

TUGAS

Buatlah halaman login dan halaman utama, kemudian inputkan username dan password, Ketika diklik login akan berpindah ke halaman utama dengan mengirimkan data username dan password, tampilkan data tersebut pada halaman utama. Berikut codenya :

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Navigation Demo',
      home: const LoginPage(),
    );
  }
}

class LoginPage extends StatefulWidget {
  const LoginPage({super.key});

  @override
  State createState() => _LoginPageState();
}

class _LoginPageState extends State {
  final TextEditingController usernameController = TextEditingController();
  final TextEditingController passwordController = TextEditingController();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text("Login Page")),
      body: Padding(
        padding: const EdgeInsets.all(20),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            TextField(
              controller: usernameController,
              decoration: const InputDecoration(labelText: "Username"),
            ),
            TextField(
              controller: passwordController,
              obscureText: true,
              decoration: const InputDecoration(labelText: "Password"),
            ),
            const SizedBox(height: 20),
            ElevatedButton(
              onPressed: () {
                String username = usernameController.text;
                String password = passwordController.text;

                Navigator.push(
                  context,
                  MaterialPageRoute(
                    builder: (context) =>
                        HomePage(username: username, password: password),
                  ),
                );
              },
              child: const Text("Login"),
            )
          ],
        ),
      ),
    );
  }
}

class HomePage extends StatelessWidget {
  final String username;
  final String password;

  const HomePage({super.key, required this.username, required this.password});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text("Home Page")),
      drawer: Drawer(
        child: ListView(
          children: [
            DrawerHeader(
              decoration: const BoxDecoration(color: Colors.blue),
              child: Text(
                "Hello, $username",
                style: const TextStyle(color: Colors.white, fontSize: 20),
              ),
            ),
            ListTile(
              leading: const Icon(Icons.info),
              title: const Text("User Info"),
              onTap: () {
                Navigator.pop(context);
                ScaffoldMessenger.of(context).showSnackBar(
                  SnackBar(content: Text("Password: $password")),
                );
              },
            ),
            ListTile(
              leading: const Icon(Icons.exit_to_app),
              title: const Text("Logout"),
              onTap: () {
                Navigator.pop(context);
                Navigator.pop(context);
              },
            ),
          ],
        ),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text("Welcome, $username!",
                style: const TextStyle(fontSize: 22)),
            const SizedBox(height: 10),
            Text("Password: $password",
                style: const TextStyle(fontSize: 18)),
          ],
        ),
      ),
      bottomNavigationBar: const MyBottomNav(),
    );
  }
}

class MyBottomNav extends StatefulWidget {
  const MyBottomNav({super.key});

  @override
  State createState() => _MyBottomNavState();
}

class _MyBottomNavState extends State {
  int _selectedIndex = 0;

  final List _pages = ["🏠 Home", "⭐ Favorite", "⚙️ Settings"];

  @override
  Widget build(BuildContext context) {
    return BottomNavigationBar(
      currentIndex: _selectedIndex,
      onTap: (index) {
        setState(() {
          _selectedIndex = index;
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(content: Text("You selected: ${_pages[index]}")),
          );
        });
      },
      items: const [
        BottomNavigationBarItem(icon: Icon(Icons.home), label: "Home"),
        BottomNavigationBarItem(icon: Icon(Icons.star), label: "Favorite"),
        BottomNavigationBarItem(icon: Icon(Icons.settings), label: "Settings"),
      ],
    );
  }
}