stegrams’s gists

stegrams / image_attachment_on_tap.dart

Created April 20, 2020 16:05

Fetch an image from the web with a tap on a placeholder.

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

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

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

	class MyApp extends StatelessWidget {

stegrams / flexible_calculator.dart

Last active April 23, 2020 18:57

Responsible calculator layout with MediaQuery and Flex

	import 'package:flutter/material.dart';

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

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

stegrams / curved_bar.dart

Last active April 25, 2020 21:15

AppBar wave shaped by quadratic bezier. DartPad: https://dartpad.dev/44fd77de9c38ab20c886ef04d55f5bc8

	// Credits to Matt Sullivan (@mjohnsullivan) for this status:
	// https://twitter.com/mjohnsullivan/status/1200142882864324609

	import 'package:flutter/material.dart';

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

	class MyApp extends StatelessWidget {

stegrams / math_graph.dart

Created April 29, 2020 12:35

A mathematical graph sample code with CustomPainter and Canvas.

	import 'package:flutter/material.dart';

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

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

stegrams / space_between_in_single_ch_scroll.dart

Last active April 30, 2020 16:46

Space between inside a single child scroll with still image background.

	import 'package:flutter/material.dart';

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

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

stegrams / timer_random_numbers.dart

Last active May 2, 2020 15:38

Random ball numbers that start and stop interactively.

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

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

	class MyApp extends StatelessWidget {
	@override

stegrams / rich_text_container.dart

Created May 2, 2020 22:31

Container for a text with special background color for the first words

	import 'package:flutter/material.dart';

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

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

stegrams / custom_input_date_picker.dart

Last active May 4, 2020 20:18

A datetime picker with custom initial value.

	import 'package:datetime_picker_formfield/datetime_picker_formfield.dart';
	import 'package:flutter/material.dart';
	import 'package:intl/intl.dart' show DateFormat;

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

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

stegrams / shopping_counter_badge.dart

Last active November 12, 2020 18:24

A counter badge increasing in every add click.

	// Heavily influenced by
	// https://ouzaniabdraouf.medium.com/flutter-take-your-badge-with-you-dde3cab42316

	import 'package:flutter/material.dart';

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

	class MyApp extends StatelessWidget {

stegrams / simple_listview_inside_col.dart

Last active May 5, 2020 18:39

Limit the infinite effect of two vertical widgets inside each other

	import 'package:flutter/material.dart';

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

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

Stefanos Grammenos stegrams