chonghorizons

import 'package:flutter/material.dart';

class ExampleScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Hey there, boo!'),
      ),
      body: Padding(

chonghorizons

import 'package:flutter/material.dart';

final Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyFancyApp());
}

class MyFancyApp extends StatelessWidget {
//   final Firebase _firebase;

chonghorizons

var probability=0.01 // 1%
var initialsize=500 //
var waves=[50,5,2,1]

// var probability=0.10 // 10%
// var initialsize=50 //
// var waves=[2,1]

// See this medium article on batch testing for the coronavirus:
// https://medium.com/@coronavirusnotalone/the-secret-way-to-reopen-schools-with-batch-testing-for-coronavirus-616433cd5ba4

chonghorizons

import 'dart:math' as math;

const double originX=5;
const double originY=5;


class Point {
   double x;
   double y;

chonghorizons

// Note: Although a final object cannot be modified, its fields can be changed. In comparison, a const object and its fields cannot be changed: they’re immutable.

void main() {
  const String name='Howard';
  final stats= {'age': 42, 'income': 0};
  const unchangeableStats={'hair': "black", "race": "chinese"};
  var normalMap= {};
  
  print("My age is ${stats['age']}");
  stats['age']=stats['age']!.toInt()+1;

chonghorizons

//Based on the blog article by "The Plumber" https://www.kindacode.com/article/flutter-drawing-an-n-pointed-star-with-customclipper/


// main.dart
import 'package:flutter/material.dart';
import 'dart:math' as math;

// This custom clipper help us achieve n-pointed star shape
class StarClipper extends CustomClipper<Path> {
  /// The number of points of the star

chonghorizons

// Copyright (c) 2021 Howard Chong
// See discussion of FractionalSizedBox in https://stackoverflow.com/questions/57242651/using-fractionallysizedbox-in-a-row/70026340#70026340
import 'dart:math' as math;
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';

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

class MyApp extends StatelessWidget {
  @override

chonghorizons

// Copyright 2017, 2020 The Flutter team. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file.

import 'package:flutter/material.dart';

void main() {
  runApp(
    const FriendlyChatApp(),
  );

chonghorizons

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: "Empty Containers aren't rendered",
      debugShowCheckedModeBanner: false,

chonghorizons

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: "Empty Containers aren't rendered",
      debugShowCheckedModeBanner: false,