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Aliaksei Tratseuski misterfourtytwo

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Flutter dev

misterfourtytwo / main.dart

Created February 1, 2020 19:47

Flutter Game with Implicit Animations

	import 'dart:async';
	import 'dart:math';

	import 'package:flutter/material.dart';

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

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

misterfourtytwo / sample.dart

Created July 12, 2020 09:51

	void main() {
	A o = A(B(true), B(true), B(true));
	print(o);
	// т.е. мы вызываем не o.operation(propName) мы делаем o.propName.operation()
	o.x.inverse();
	print(o);
	o.y.inverse();
	o.x.truify();
	print(o);
	}

misterfourtytwo / difference.dart

Last active July 24, 2020 08:46

dateTime difference

	void main() {
	// subtract later date from previous for positive values
	DateTime a = DateTime(0, 1);
	DateTime b = DateTime(0, 2);
	print(b.difference(a).inDays);
	print(a.difference(b).inDays);
	}

misterfourtytwo / patch_cupertino_navbar.sh

Created November 5, 2020 09:59

flutter patch cupertino navbar to remove blur when setting transparent background

	#!/bin/bash

	S_suff="/bin/flutter"
	S_fh=$(which flutter)
	S_fh=${S_fh%"$S_suff"}
	S_navbar=${S_fh}"/packages/flutter/lib/src/cupertino/nav_bar.dart"
	awk '/(if\ $backgroundColor.alpha\ \=\= 0xFF$){1}/ { $0 = "//"$0 }; 1' $S_navbar>S_tmp
	mv S_tmp $S_navbar
	S_suff=
	S_fh=

misterfourtytwo / singleChildScrollView.dart

Last active February 24, 2021 11:35

singleChildScrollView

	import 'package:flutter/material.dart';

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

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

	class MyApp extends StatelessWidget {
	@override

misterfourtytwo / classes_sandbox.dart

Created March 31, 2021 05:18

sandbox git for checking out dart classes behavior

	class SuperClass {
	void hello() => print('hello');
	void world() {
	hello();
	print('world!');
	print('');
	}
	}

	class SubClass extends SuperClass {

misterfourtytwo / adaptive_theme_switcher.dart

Created April 13, 2021 11:19

adaptive theme switcher example

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

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

	class MyApp extends StatefulWidget {
	@override
	_MyAppState createState() => _MyAppState();

misterfourtytwo / not_a_const.dart

Created April 15, 2021 15:35

constant class field not const

	const strings = const Strings();

	class Strings {
	const Strings();
	final Feature1 feature1 = const Feature1();
	// final Feature2 feature2 = const Feature2();
	}

	class Feature1 {
	const Feature1({

misterfourtytwo / wrap.dart

Last active October 25, 2021 09:08

wrap with padding

	import 'package:flutter/material.dart';

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

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

	class MyApp extends StatelessWidget {
	@override

misterfourtytwo / circular_menu_widget.dart

Created November 4, 2021 11:11

circular menu widget example

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

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

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