brianegan’s gists

brianegan / stopwatch_widget_test_update.dart

Created February 21, 2019 12:14

Now uses `tester.binding.clock`

	import 'package:flutter/material.dart';
	import 'package:flutter_test/flutter_test.dart';
	import 'package:quiver/async.dart';
	import 'package:quiver/testing/time.dart';

	void main() {
	group('CounterTimer', () {
	testWidgets('counts down from 10 to 0', (WidgetTester tester) async {
	// Create a Timer
	final timer = CountdownTimer(

brianegan / main.dart

Created February 23, 2019 22:31

Const Widget vs new Widget vs method

	import 'package:flutter/material.dart';

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

	class MyApp extends StatelessWidget {
	@override
	Widget build(BuildContext context) {
	return MaterialApp(
	title: 'Flutter Demo',
	theme: ThemeData(

brianegan / main.dart

Created March 4, 2019 16:27

Simple SVG implementation + Test

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

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

	class MyApp extends StatelessWidget {
	@override
	Widget build(BuildContext context) {
	return MaterialApp(
	title: 'SVG + Test',

brianegan / main.dart

Created March 4, 2019 23:29

Counter Bloc + Provider

	import 'package:flutter/material.dart';
	import 'package:provider/provider.dart';
	import 'package:rxdart/rxdart.dart';

	class CounterBloc {
	final _subject = BehaviorSubject<int>.seeded(0);

	ValueObservable<int> get counter => _subject;

	void increment() => _subject.value++;

brianegan / ez_animated_list.dart

Created March 5, 2019 18:55

An AnimatedList that does all the hard work for ya.

	library ez_animated_list;

	import 'package:flutter/widgets.dart';

	typedef EzAnimatedItemBuilder<T> = Widget Function(
	BuildContext context,
	Animation<double> animation,
	T item,
	);

brianegan / counter_with_deactivate.dart

Created March 11, 2019 10:59

Shows how to filter events from a Stream based on events from another Stream

	import 'package:flutter/material.dart';
	import 'package:rxdart/rxdart.dart';
	import 'package:tuple/tuple.dart';

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

	class CounterBloc {
	final _counterSubject = BehaviorSubject.seeded(0);
	final _isActive = BehaviorSubject.seeded(true);
	Stream<int> counter;

brianegan / main.dart

Created March 19, 2019 12:40

Live Coded Scoped Model

	import 'package:flutter/material.dart';

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

	class Counter extends ChangeNotifier {
	int _count = 0;

	int get count => _count;

	void increment() {

brianegan / main.dart

Created June 19, 2019 17:21

Animations with Redux (or Streams or ChangeNotifiers, etc)

	import 'package:flutter/cupertino.dart';
	import 'package:flutter/material.dart';
	import 'package:flutter_redux/flutter_redux.dart';
	import 'package:redux/redux.dart';

	void main() {
	runApp(
	MyApp(
	store: Store<AppState>(
	reducer,

brianegan / main.dart

Created June 19, 2019 17:22

Animations with Redux (or Streams or ChangeNotifiers, etc)

	import 'package:flutter/cupertino.dart';
	import 'package:flutter/material.dart';
	import 'package:flutter_redux/flutter_redux.dart';
	import 'package:redux/redux.dart';

	void main() {
	runApp(
	MyApp(
	store: Store<AppState>(
	reducer,

brianegan / main.dart

Created July 18, 2019 16:00

Maintain scroll position between tabs

	import 'package:flutter/material.dart';

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

	class TabBarDemo extends StatefulWidget {
	@override
	_TabBarDemoState createState() => _TabBarDemoState();
	}

Brian Egan brianegan