Created
July 16, 2020 17:54
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import 'package:flutter/material.dart'; | |
import 'package:gensei_shop/pages/catalogPage.dart'; | |
import 'package:gensei_shop/pages/contactsPage.dart'; | |
import 'package:gensei_shop/pages/homePage.dart'; | |
import 'package:gensei_shop/pages/ordersPage.dart'; | |
// Точка входа в программу | |
void main() => runApp(MyApp()); | |
// Корневой виджет с настройками приложения | |
class MyApp extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return MaterialApp( | |
title: 'Flutter Demo', | |
theme: ThemeData( | |
primarySwatch: Colors.purple, | |
primaryColor: Colors.purple[300] | |
), | |
home: MyHomePage(title: 'Gensei Shop Mobile'), // Начальный виджет | |
); | |
} | |
} | |
// Создание объекта класса MyHomePage с полем title | |
class MyHomePage extends StatefulWidget { | |
MyHomePage({Key key, this.title}) : super(key: key); | |
final String title; | |
@override | |
_MyHomePageState createState() => _MyHomePageState(); | |
} | |
// Класса состояния виджета MyHomePage | |
class _MyHomePageState extends State<MyHomePage> { | |
// Индекс текущей страницы | |
int _selectedIndex = 0; | |
// Страницы, которые можно вызвать из нижнего бара | |
List<Widget> _widgetOptions = <Widget>[ | |
HomePage(), | |
CatalogPage(), | |
OrdersPage(), | |
ContactsPage() | |
]; | |
// Вызываем функцию при нажатии на элемент в нижнем баре | |
void _onItemTapped(int index) { | |
setState(() { | |
_selectedIndex = index; | |
}); | |
} | |
@override | |
Widget build(BuildContext context) { | |
return Scaffold( | |
appBar: AppBar( | |
title: Text(widget.title), | |
centerTitle: true, | |
actions: <Widget>[ | |
IconButton( | |
icon: Icon(Icons.notifications_none), | |
onPressed: () {}, | |
) | |
], | |
), | |
body: _widgetOptions.elementAt(_selectedIndex), | |
bottomNavigationBar: BottomNavigationBar( | |
onTap: _onItemTapped, | |
currentIndex: _selectedIndex, | |
type: BottomNavigationBarType.shifting, | |
unselectedItemColor: Colors.grey[400], | |
selectedItemColor: Theme.of(context).primaryColor, | |
items: [ | |
BottomNavigationBarItem( | |
icon: Icon(Icons.chrome_reader_mode), title: Text("Главная")), | |
BottomNavigationBarItem( | |
icon: Icon(Icons.shopping_cart), title: Text("Каталог")), | |
BottomNavigationBarItem( | |
icon: Icon(Icons.assignment), title: Text("Мои Заказы")), | |
BottomNavigationBarItem( | |
icon: Icon(Icons.map), title: Text("Контакты")) | |
], | |
), | |
); | |
} | |
} |
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