main.dart

import 'package:flutter/material.dart';

void main() {
  runApp(
    MaterialApp(
      home: Scaffold(
        body: SafeArea(
          child: Center(
            child: Column(
              children: [
                Slider(value: 0.33, onChanged: (v) {}),
                Row(
                  // mainAxisSize: MainAxisSize.max,
                  children: [
                    Slider(value: 0.33, onChanged: (v) {}),
                  ],
                )
              ],
            ),
          ),
        ),
      ),
    ),
  );
}