Flutter: IntrinsicWidth类,将孩子的宽度调整为孩子的最大内在宽度

Posted 2022-05-22 ajanuw

• 文档
• 原文

class HomePage extends StatefulWidget 
  @override
  _HomePageState createState() => _HomePageState();


class _HomePageState extends State<HomePage> 
  @override
  Widget build(BuildContext context) 
    return Scaffold(
      body: Center(
        child: IntrinsicWidth(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: <Widget>[
              RaisedButton(
                onPressed: () ,
                child: Text('Short'),
              ),
              RaisedButton(
                onPressed: () ,
                child: Text('A bit Longer'),
              ),
              RaisedButton(
                onPressed: () ,
                child: Text('The Longest text button'),
              ),
            ],
          ),
        ),
      ),
    );