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import 'package:flutter/material.dart';

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

double totalHeight;

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(

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/*
SliverPersistentHeader(
  pinned: true,
  floating: true,
  delegate: OurDelegate(
    toolBarHeight: MediaQuery.of(context).padding.top,
    openHeight: 250,
    closedHeight: 40,
  ),
),

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

//-----Start App
void main() => runApp(MyApp());

//-----Entry Point
class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {

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import 'package:flutter/material.dart';

import 'dart:math' as math;

//NOTE: this widget is designed specifically to go OVER a slider
//the idea is that the slider takes you to certain positions and this should give you some idea of what those positions are

//In order to meet it's goals as best as possible we MUST
//1. fill the entirety of the totalHeight
//   - otherwise the overlay won't match the slider and it won't be helpful

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//other stuff to maybe map out
//https://www.bluetooth.com/specifications/assigned-numbers/company-identifiers/
//https://www.bluetooth.com/specifications/assigned-numbers/16-bit-uuids-for-members/
//https://www.bluetooth.com/specifications/assigned-numbers/16-bit-uuids-for-sdos/
//https://www.bluetooth.com/specifications/assigned-numbers/service-discovery/
//https://www.bluetooth.com/specifications/assigned-numbers/health-device-profile/
//https://www.bluetooth.com/specifications/assigned-numbers/units/

//Gatt Service Hierarchy
//Device

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  String getPasswordValidationError(bool forPassword) {
    String initialPasswordString = focusNodeToValue[passwordFocusNode].value;
    String confirmPasswordString = focusNodeToValue[confirmPasswordFocusNode].value;

    ///-----make sure this particular password is valid
    if (forPassword) {
      if (initialPasswordString.isNotEmpty == false)
        return "Password Required";
      else if (initialPasswordString.length < 6)
        return "The Password Requires 6 Characters Or More";

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import 'dart:async';

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

void main() => runApp(
    MaterialApp(home: new MyApp())
);

class MyApp extends StatefulWidget {

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import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/services.dart';
import 'package:meta/meta.dart';

/// Note:
/// [*] some functions are async simply because that schedules them after something else that should happen first for everything to work properly
/// [*] you really should not use "ensureVisible" or "ensureErrorVisible" or "KeyboardListener" unless that field is already wrapped in "EnsureVisibleWhenFocused"
///     you will get very unusual behavior

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import 'dart:async';

import 'package:flutter/material.dart';

/*
OUTPUT (one of many) NOTE: how far behind the Loose Timer is, is not predictable either

I/flutter (11433): Timer Restarted
I/flutter (11433): Timers Started
I/flutter (11433): Loose Timer Will Take 588 solid runs of 0:00:00.017000 and an extra run of 0:00:00.004000

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

//Desired Behavior on FIRST build (It should not take 3)
//CASE 1 (parent uses child size) : eye.width = vane.width * 10
//CASE 2 (child uses parent size) : pupil.width = iris.width / 2
//CASE 3: (child uses sibling size) : iris.width = vane.width * 5

//Desired Sizes (can be read from Render Tree in Flutter Inspector) [in original config of 4 letters]
//vane = 30