collinjackson

// Copyright 2017, the Flutter project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

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

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

Geoyi

How to install virtualenv:

Install pip first

sudo apt-get install python3-pip

Then install virtualenv using pip3

sudo pip3 install virtualenv 

andrelsmoraes

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'dart:async';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';

valterh4ck3r

@Pipe({name: 'cnpj'})
export class CNPJPipe implements PipeTransform {
    transform(value) {
        return value.replace(/(\d{2})(\d{3})(\d{3})(\d{4})(\d{2})/g,"\$1.\$2.\$3\/\$4\-\$5")
    }
}

marcusedu

final RegExp email = RegExp(
    r"^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]"
    r"{0,253}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,253}[a"
    r"-zA-Z0-9])?)*$",
    caseSensitive: false,
    multiLine: false);

final RegExp mobileBrazilianPhone = RegExp(r"^\(?0?\d{2}\)? ?9 ?\d{4}-?\d{4}$",
    caseSensitive: false, multiLine: false);

jacobaraujo7

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

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(

DeyvidJLira

import 'package:flutter/material.dart';

class TabBarWithBottomNavigationScreen extends StatefulWidget {

  @override
  _TabBarWithBottomNavigationScreenState createState() => _TabBarWithBottomNavigationScreenState();
}

class _TabBarWithBottomNavigationScreenState extends State<TabBarWithBottomNavigationScreen>  with SingleTickerProviderStateMixin {

valterh4ck3r

flutter packages pub run build_runner watch --delete-conflicting-outputs