Bottom_NavigationBar

[berkeresvan]

import 'package:bottomnavigationbar/sayfabir.dart'; import 'package:bottomnavigationbar/sayfaiki.dart'; import 'package:bottomnavigationbar/sayfauc.dart'; 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( title: 'Flutter Demo', theme: ThemeData( colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple), useMaterial3: true, ), home: const MyHomePage(title: 'Flutter Demo Home Page'), ); } }

class MyHomePage extends StatefulWidget { const MyHomePage({super.key, required this.title});

final String title;

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

class _MyHomePageState extends State { var sayfalistesi = [sayfabir(), sayfaiki(), sayfauc()]; int secilenIndex = 0; @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( backgroundColor: Colors.deepPurple, title: Text(widget.title), ), body: sayfalistesi[secilenIndex], bottomNavigationBar: BottomNavigationBar( items: [ BottomNavigationBarItem(icon: Icon(Icons.looks_one), label: "Bir"), BottomNavigationBarItem(icon: Icon(Icons.looks_two), label: "İki"), BottomNavigationBarItem(icon: Icon(Icons.looks_3), label: "Uç"), ], backgroundColor: Colors.deepPurple, selectedItemColor: Colors.orange, unselectedItemColor: Colors.white, currentIndex: secilenIndex, onTap: (indeks) { setState(() { secilenIndex = indeks; }); }, ), ); } }

[berkeresvan]

import 'package:flutter/material.dart';

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

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

class _sayfabirState extends State { @override Widget build(BuildContext context) { return Center( child: Text( "Sayfa bir", style: TextStyle(color: Colors.black54, fontSize: 30), ), ); } }