AStack将自动包装未定位的孩子。您可以利用它来发挥自己的优势:

import 'package:flutter/material.dart';
void main() => runApp(App());
class App extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(),
body: ListView(
children: <Widget>[
Stack(
children: <Widget>[
Positioned(
left: 0,
top: 0,
bottom: 0,
width: 100,
child: Container(color: Colors.orange), // replace with your image
),
Padding(
padding: EdgeInsets.fromLTRB(116, 16, 16, 16),
child: Text('Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo'),
)
],
),
],
)
),
);
}
}
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