login.dart

import 'package:flutter/material.dart';

class LoginForm extends StatefulWidget {
  @override
  _LoginFormState createState() => _LoginFormState();
}

class _LoginFormState extends State<LoginForm> {
  bool _isHidden = true;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Theme.of(context).secondaryHeaderColor,
      body: Center(
        child: Padding(
          padding: const EdgeInsets.all(20.0),
          child: TextField(
            obscureText: _isHidden,
            decoration: InputDecoration(
              hintText: 'Password',
            ),
          ),
        ),
      ),
    );
  }
}