MarceloRab’s gists

slightfoot / dropdown_popup.dart

Last active August 30, 2021 06:33

Custom Dropdown Popup Menu Example - Custom Enum, Theming, Extending Existing API, Animations, Transitions, Routes, Custom shadows, borders and painting. Based on https://dribbble.com/shots/2369431-Daily-UI-027-Dropdown

	import 'package:flutter/material.dart';
	import 'package:flutter/widgets.dart';
	import 'package:vector_math/vector_math_64.dart' show radians;

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

	class ExampleItem {
	static const Pineapples = ExampleItem._('Pineapples');
	static const Watermelons = ExampleItem._('Watermelons');
	static const StarFruit = ExampleItem._('Star Fruit');

jebright / main.dart

Created April 16, 2019 19:12

Using an Isolate in Flutter

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

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

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

HansMuller / navigator_scroll_fade_demo.dart

Created June 17, 2019 19:04

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

	class Destination {
	const Destination(this.index, this.title, this.icon, this.color);
	final int index;
	final String title;
	final IconData icon;
	final MaterialColor color;
	}

slightfoot / capture_widget.dart

Created August 12, 2019 12:58

Capture Flutter Widgets as Image but Off Screen

	import 'dart:async';
	import 'dart:typed_data';
	import 'dart:ui' as ui;

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

	void main() {
	runApp(
	MaterialApp(

vferreirati / print.dart

Created September 20, 2019 17:01

Exemplo de geração de imagem a partir de um widget

	void _onShareReceipt(context) async {
	final data = await _onCaptureReceipt();

	// Utilizando o pacote "esys_flutter_share" para compartilhamento da imagem gerada
	await Share.file('Comprovante de Venda', 'comprovante.png', data, 'image/png');
	}

	Future<Uint8List> _onCaptureReceipt() async {
	// _receiptKey é uma GlobalKey que foi atribuida ao Widget pelo qual desejo imprimir
	RenderRepaintBoundary boundary = _receiptKey.currentContext.findRenderObject();

cetorres / DetectiPhoneX.dart

Created October 9, 2019 16:51

Detect iPhone X or greater in Flutter / Dart

	class DetectiPhoneXOrGreater {
	static bool isiPhoneXOrGreater(context) {
	if (Platform.isAndroid) {
	return false;
	}
	else if (Platform.isIOS) {
	double height = MediaQuery.of(context).size.height;
	if (height >= 812.0) return true;
	}
	return false;

av / main.dart

Created January 13, 2020 18:44

Flutter: neu

	import 'package:flutter/material.dart';

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

	class NeumorphicApp extends StatelessWidget {
	@override
	Widget build(BuildContext context) {
	return MaterialApp(
	title: 'Neumorphic App',
	theme: ThemeData(

mhadaily / Update website if there is new servicer worker update found.md

Created November 14, 2020 14:14

Use it in your index.html file in Flutter Web.

function invokeServiceWorkerUpdateFlow() {
  // you have a better UI here, reloading is not a great user experince here.
  const confirmed = confirm('New version of the app is available. Refresh now');
  if (confirmed) {
    window.location.reload();
  }
}
async function handleServiceWorker() {

eduardoflorence / main.dart

Created December 24, 2020 20:03

GetX - Sample GetConnect

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

	void main() {
	runApp(GetMaterialApp(
	initialRoute: '/home',
	getPages: [
	GetPage(
	name: '/home',
	page: () => HomePage(),

eduardoflorence / main.dart

Created January 13, 2021 19:29

GetX - Sample GetWidget

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

	void main() {
	runApp(GetMaterialApp(
	debugShowCheckedModeBanner: false,
	initialRoute: '/home',
	defaultTransition: Transition.fade,
	getPages: [
	GetPage(

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