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import 'package:flutter/material.dart'; | |
class ListFirstPage extends StatefulWidget { | |
@override | |
_ListFirstPageState createState() => _ListFirstPageState(); | |
} | |
class _ListFirstPageState extends State<ListFirstPage> { | |
@override | |
Widget build(BuildContext context) { | |
return Scaffold( | |
appBar: AppBar( | |
title: Text('First Page'), | |
), | |
body: Column( | |
children: <Widget>[ | |
GestureDetector( | |
onTap: () { | |
// Navigator.push(context, | |
// MaterialPageRoute(builder: (context) => ListSecondPage())); | |
}, | |
child: Card( | |
shape: RoundedRectangleBorder( | |
borderRadius: BorderRadius.circular(30), | |
side: BorderSide(color: Colors.black, width: 2)), | |
child: Container( | |
width: MediaQuery.of(context).size.width, | |
height: MediaQuery.of(context).size.height * .1, | |
child: Center( | |
child: Text('List 1', | |
style: TextStyle(fontSize: 28, color: Colors.black)), | |
), | |
), | |
), | |
), | |
GestureDetector( | |
onTap: () { | |
// Navigator.push(context, | |
// MaterialPageRoute(builder: (context) => ListSecondPage())); | |
}, | |
child: Card( | |
shape: RoundedRectangleBorder( | |
borderRadius: BorderRadius.circular(30), | |
side: BorderSide(color: Colors.black, width: 2)), | |
child: Container( | |
width: MediaQuery.of(context).size.width, | |
height: MediaQuery.of(context).size.height * .1, | |
child: Center( | |
child: Text('List 2', | |
style: TextStyle(fontSize: 28, color: Colors.black)), | |
), | |
), | |
), | |
), | |
GestureDetector( | |
onTap: () { | |
Navigator.push( | |
context, | |
MaterialPageRoute( | |
builder: (context) => ListSecondPage( | |
indexRecibido: 9, | |
))); | |
}, | |
child: Card( | |
shape: RoundedRectangleBorder( | |
borderRadius: BorderRadius.circular(30), | |
side: BorderSide(color: Colors.black, width: 2)), | |
child: Container( | |
width: MediaQuery.of(context).size.width, | |
height: MediaQuery.of(context).size.height * .1, | |
child: Center( | |
child: Text('List 3', | |
style: TextStyle(fontSize: 28, color: Colors.black)), | |
), | |
), | |
), | |
), | |
], | |
), | |
); | |
} | |
} | |
class ListSecondPage extends StatefulWidget { | |
var indexRecibido; | |
ListSecondPage({Key key, @required this.indexRecibido}) : super(key: key); | |
@override | |
_ListSecondPageState createState() => _ListSecondPageState(); | |
} | |
class _ListSecondPageState extends State<ListSecondPage> { | |
ScrollController _controller; | |
@override | |
void initState() { | |
_controller = ScrollController(); | |
super.initState(); | |
_animateToIndex(widget.indexRecibido); | |
} | |
_animateToIndex(index) { | |
_controller.animateTo(1.0 * index, | |
duration: Duration(seconds: 1), curve: Curves.fastOutSlowIn); | |
} | |
@override | |
Widget build(BuildContext context) { | |
return Scaffold( | |
appBar: AppBar( | |
title: Text('Second Page'), | |
), | |
body: Column( | |
children: <Widget>[ | |
SizedBox( | |
height: 500, | |
child: ListView( | |
controller: _controller, | |
children: <Widget>[ | |
Center( | |
child: Text('List 1', style: TextStyle(fontSize: 30)), | |
), | |
Container( | |
child: Text('Item 1', style: TextStyle(fontSize: 20)), | |
), | |
Container( | |
child: Text('Item 2', style: TextStyle(fontSize: 20)), | |
), | |
Container( | |
child: Text('Item 3', style: TextStyle(fontSize: 20)), | |
), | |
Container( | |
child: Text('Item 4', style: TextStyle(fontSize: 20)), | |
), | |
SizedBox( | |
height: 100, | |
), | |
Center( | |
child: Text('List 2', style: TextStyle(fontSize: 30)), | |
), | |
Container( | |
child: Text('Item 5', style: TextStyle(fontSize: 20)), | |
), | |
Container( | |
child: Text('Item 6', style: TextStyle(fontSize: 20)), | |
), | |
Container( | |
child: Text('Item 7', style: TextStyle(fontSize: 20)), | |
), | |
SizedBox( | |
height: 100, | |
), | |
Center( | |
child: Text('List 3', style: TextStyle(fontSize: 30)), | |
), | |
Container( | |
child: Text('Item 8', style: TextStyle(fontSize: 20)), | |
), | |
Container( | |
child: Text('Item 9', style: TextStyle(fontSize: 20)), | |
), | |
Container( | |
child: Text('Item 10', style: TextStyle(fontSize: 20)), | |
), | |
], | |
)), | |
], | |
), | |
); | |
} | |
} |
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