void main() => runApp(new PageDemo());
class PageDemo extends StatelessWidget { @override Widget build(BuildContext context) { return MaterialApp(title: 'Page Demo', home: SamplePage()); }
}
class SamplePage extends StatefulWidget { @override _SamplePageState createState() => _SamplePageState();
}
class _SamplePageState extends State<SamplePage> { List<Widget> _samplePages = [ Center( child: Text('Page 1'), ), Center(child: Text('Page 2')) ]; final _controller = new PageController(); static const _kDuration = const Duration(milliseconds: 300); static const _kCurve = Curves.ease; @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('Page Demo'), ), body: Column( children: <Widget>[ Flexible( child: PageView.builder( controller: _controller, itemCount: _samplePages.length, itemBuilder: (BuildContext context, int index) { return _samplePages[index % _samplePages.length]; }, ), ), Container( color: Colors.lightBlueAccent, child: Row( mainAxisSize: MainAxisSize.max, mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: <Widget>[ FlatButton( child: Text('Prev'), onPressed: () { _controller.previousPage( duration: _kDuration, curve: _kCurve); }, ), FlatButton( child: Text('Next'), onPressed: () { _controller.nextPage(duration: _kDuration, curve: _kCurve); }, ) ], ), ) ], ), ); }
}