intrinsic_height

intrinsic_height.dart

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatelessWidget {
  const MyHomePage();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: IntrinsicHeight(
        child: Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Container(
              width: 50,
              color: Colors.indigo,
            ),
            const Text(
              'Line 1\n'
              'Line 2\n'
              'Line 3\n'
              'Line 4\n'
              'Line 5\n'
              'Line 6',
            ),
          ],
        ),
      ),
    );
  }
}