how to scroll to a position in flutter listview
ItemScrollController _scrollController = ItemScrollController();
ScrollablePositionedList.builder(
itemScrollController: _scrollController,
itemCount: _myList.length,
itemBuilder: (context, index) {
return _myList[index];
},
)
_scrollController.scrollTo(index: 150, duration: Duration(seconds: 1));flutter scroll to end
import 'dart:collection';
import 'package:flutter/material.dart';
void main() {
runApp(new MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return new MaterialApp(
title: 'Example',
home: new MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
@override
_MyHomePageState createState() => new _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
List<Widget> _messages = <Widget>[new Text('hello'), new Text('world')];
ScrollController _scrollController = new ScrollController();
@override
Widget build(BuildContext context) {
return new Scaffold(
body: new Center(
child: new Container(
decoration: new BoxDecoration(backgroundColor: Colors.blueGrey.shade100),
width: 100.0,
height: 100.0,
child: new Column(
children: [
new Flexible(
child: new ListView(
controller: _scrollController,
reverse: true,
shrinkWrap: true,
children: new UnmodifiableListView(_messages),
),
),
],
),
),
),
floatingActionButton: new FloatingActionButton(
child: new Icon(Icons.add),
onPressed: () {
setState(() {
_messages.insert(0, new Text("message ${_messages.length}"));
});
_scrollController.animateTo(
0.0,
curve: Curves.easeOut,
duration: const Duration(milliseconds: 300),
);
}
),
);
}
}Copyright © 2021 Codeinu
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