Created
October 14, 2019 17:01
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Flutter Communication With Stream
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import 'package:flutter/material.dart'; | |
import 'package:flutter/rendering.dart'; | |
//* *************************************** | |
//* Main | |
//* *************************************** | |
void main() => runApp(MyApp()); | |
class MyApp extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return MaterialApp( | |
title: 'Flutter Demo', | |
theme: ThemeData( | |
primarySwatch: Colors.blue, | |
), | |
home: MyHomePage(title: 'Flutter Communication'), | |
); | |
} | |
} | |
//* *************************************** | |
//* HomePage Widget | |
//* *************************************** | |
class MyHomePage extends StatefulWidget { | |
MyHomePage({Key key, this.title}) : super(key: key); | |
final String title; | |
@override | |
_MyHomePageState createState() => _MyHomePageState(); | |
} | |
class _MyHomePageState extends State<MyHomePage> { | |
// page index store | |
int _pageIndex = 0 ; | |
// page view controller | |
PageController _pageController; | |
@override | |
void initState() { | |
super.initState(); | |
_pageController = PageController(initialPage: _pageIndex); | |
} | |
@override | |
Widget build(BuildContext context) { | |
return Scaffold( | |
appBar: AppBar( | |
title: Text(widget.title), | |
), | |
body: Center( | |
child: PageView( | |
onPageChanged: (int page) { | |
setState(() { | |
_pageIndex = page; | |
}); | |
}, | |
controller: _pageController, | |
scrollDirection: Axis.horizontal, | |
pageSnapping: true, | |
children: <Widget>[ | |
Container(color: Colors.red,), | |
Container(color: Colors.green,), | |
Container(color: Colors.blue,) | |
], | |
) | |
), | |
bottomNavigationBar: BottomNavigationBar( | |
currentIndex: _pageIndex, | |
onTap: (int pageIndex) { | |
print(pageIndex); | |
setState(() { | |
_pageController.jumpToPage(pageIndex); | |
}); | |
}, | |
items: [ | |
BottomNavigationBarItem(title: Text('General info'), icon: Icon(Icons.info_outline,color: Colors.red)), | |
BottomNavigationBarItem(title: Text('Services'), icon: Icon(Icons.list,color: Colors.green)), | |
BottomNavigationBarItem(title: Text('Invoices'), icon: Icon(Icons.payment,color: Colors.blue)), | |
], | |
), | |
floatingActionButton: FloatingActionButton( | |
onPressed: () {}, | |
tooltip: 'Save', | |
child: Icon(Icons.save), | |
), | |
); | |
} | |
} |
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