StackOverflow Q: "Removing helperText padding from InputDecoration with OutlineInputBorder"

main.dart

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}
class MyHomePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: TextField(
          decoration: InputDecoration(
          // This indeed updates `helperText`, but also changes the label padding
          // contentPadding: EdgeInsets.zero,
          border: const OutlineInputBorder(),
          labelText: 'My Label Text',
          helperText: 'My Helper Text',
          ),
        ),
      ),
    );
  }
}