flutter navigasi lanjutan

yocky12k

Nov 28th, 2023

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import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
void main() {
runApp(MainApp());
}
class MainApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
home: HalamanPertama(),
);
}
}
class HalamanPertama extends StatelessWidget {
TextEditingController username = TextEditingController();
TextEditingController password = TextEditingController();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Halaman Satu'),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
'Silakan login untuk mengakses halaman ini!',
style: TextStyle(
fontSize: 15,
fontWeight: FontWeight.bold,
color: Colors.blue,
),
),
SizedBox(height: 30),
Padding(
padding: const EdgeInsets.fromLTRB(25, 0, 25, 10),
child: TextField(
controller: username,
decoration: InputDecoration(
prefixIcon: Icon(Icons.person),
labelText: 'Username',
hintText: 'Masukkan username Anda',
border: OutlineInputBorder(),
),
),
),
Padding(
padding: const EdgeInsets.fromLTRB(25, 0, 25, 20),
child: TextField(
controller: password,
obscureText: true,
decoration: InputDecoration(
prefixIcon: Icon(Icons.password),
labelText: 'Password',
hintText: 'Masukkan password Anda',
border: OutlineInputBorder(),
),
),
),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
ElevatedButton(
onPressed: () {
String uname = username.text;
String pass = password.text;
//logika percabangan
if (uname == 'admin' && pass == '12345') {
//logika login sukses
Navigator.push(
context,
MaterialPageRoute(builder: (context) => HalamanKedua(data: uname)),
);
Fluttertoast.showToast(
msg: 'Login Sukses',
toastLength: Toast.LENGTH_LONG,
);
} else {
//logika login gagal
Fluttertoast.showToast(
msg: 'Login Gagal!! Silakan periksa kembali username dan password Anda',
toastLength: Toast.LENGTH_LONG,
);
}
},
child: Text('LOGIN'),
),
SizedBox(width: 20),
ElevatedButton(
onPressed: () {
//logic ketika tombol di tekan
username.clear();
password.clear();
},
child: Text('RESET'),
),
],
),
],
),
),
);
}
}
class HalamanKedua extends StatelessWidget {
final String data;
//menerima data dari halaman pertama
HalamanKedua({required this.data});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Halaman Dua'),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
'Selamat Datang ' + data,
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.orange,
),
),
SizedBox(height: 35),
ElevatedButton(
onPressed: () {
//logic ketika tombol di tekan
Navigator.pop(context);
},
child: Text('Kembali'),
),
],
),
),
);
}
}

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