rapPayne

// Say goReadAFile() is slow and returns a Future
Future myFuture = goReadAFile();

rapPayne

import 'package:flutter/material.dart';
import 'package:cloud_firestore/cloud_firestore.dart';

class PeopleUpsert extends StatefulWidget {
  @override
  _PeopleUpsertState createState() => _PeopleUpsertState();
}

class _PeopleUpsertState extends State<PeopleUpsert> {
  GlobalKey<FormState> _key = GlobalKey<FormState>();

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@override
Widget build(BuildContext context) {
  return Scaffold(
    appBar: AppBar(title: Text("Prestige Worldwide Registration")),
    // TODO 1: Wrap the body in a Form widget
    body: Container(
      alignment: Alignment.center,
      child: Column(
        children: <Widget>[
          _buildEmailField,

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@override
Widget build(BuildContext context) {
  return Scaffold(
    appBar: AppBar(title: Text("Prestige Worldwide Registration")),
    // TODO 1: Wrap the body in a Form widget
    body: Form(  // <-- Add this widget. (Don't forget to close it!)
      child: Container(
        alignment: Alignment.center,
        child: Column(
          children: <Widget>[

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// TODO 2: Add a GlobalKey

@override
Widget build(BuildContext context) {

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// TODO 2: Add a GlobalKey declaration
GlobalKey<FormState> _key = GlobalKey<FormState>();

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body: Form(
  key: _key, // ← Add this line
  child: Container(

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void _doRegister() {
  // TODO 3: Add validation and saving here
  print("""
    The user has registered with an email address of '${_loginObject['email']}'
    and a password of '${_loginObject['password']}'
  """);
}

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void _doRegister() {
  // TODO 3: Add validation and saving here
  // 1
  if (_key.currentState.validate()) {
    // Commit the field values to their variables
    // 2
    _key.currentState.save();
    // 3
    print("""
      The user has registered with an email address of '${_loginObject['email']}'