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A newsletter for Flutter fans by Flutter fans

Flutter Weekly #94

Welcome back Flutter fans!

As you may have noticed, you have not received your weekly dose of Flutter for the last two months. Unfortunately, I've been dealing with health problems again and I've had to be several weeks out of any activity (don't worry, nothing related to the current pandemic). I hope to be able to keep the regular rhythm of publication.

I've missed you!

Love from Barcelona, Sergi
 

Articles and tutorials

 

Flutter: The Advanced Layout Rule Even Beginners Must Know

An excellent explanation on how Widget measurement and layout is performed in Flutter by Marcelo Glasberg. Seriously, this should be part of the official documentation.

Flutter web support updates

Mariam Hasnany from the Flutter team explains the latest updates on creating progressive web applications (PWA) with Flutter.

Adding a Gap to Flutter

Stefan Matthias Aust uses the creation of a simple Widget as example to explain how SingleChildRenderObjectWidget works.

Embed Flutter CodePen projects everywhere!

Mariano Zorrilla introduces the concept inserting a Flutter CodePen everywhere. Even another Flutter Codepen!

Flutter Add-To-App in practice: Onboarding revamp at EyeEm

Read about the process followed at EyeEm to unify their on-boarding experience using Flutter, written by Łukasz Wiśniewski.

Reverse engineering Flutter apps

Andre Lipke enters into the more technical aspects of Dart and Flutter apps internals.

Hey Flutter, Welcome to the Stores

A handy article to use as checklist when you want to publish your Flutter app both in Play Store and AppStore.

Modern Flutter Plugin Development

Chris sells from the Flutter team introduces the new Android Plugin API 2.0.

Widget Testing: Dealing with dependencies

Stubs? Mocks? If you have problems handling dependencies in your tests, this article by Kelven Galvão is what you need.

 

Videos and media

 

AnimatedWidget (Flutter Widget of the Week)

There are many different options for animations. In many cases, an AnimatedWidget is all you need to make a widget animated. Learn about some animated widgets already built for you and how to build your own! AnimatedWidget isn't a widget on its own, but it is a powerful tool in creating your own animations.

Drag and drop to sort in Flutter

This is a live coding video where we implement a drag and drop sortable functionality in flutter using only the flutter SDK and core flutter widgets, namely the ReorderableListView widget.

Let's build BT Serial based on the examples

This video briefly shows a demonstration before starting a project with Bluetooth Classic. It shows you two examples: the Bluetooth Serial Library for ESP32 and the Bluetooth Serial for Flutter application

Explicit Animation in Flutter

How explicit animation works in flutter, and a few examples on how to use them.

Space Invaders

How to code a mobile game using flutter and dart

 

Code and libraries

 

jg-l/metadata_fetch

A dart library for extracting metadata in web pages. Supports Open Graph, Meta, Twitter Cards, and Structured Data (Json-LD)

leisim/dartx

Superpowers for Dart. Collection of useful static extension methods.

rodydavis/storyboard

A Widget to automatically create a Storyboard of your app

sbis04/video_trimmer

Flutter video trimmer package

gonuit/flutter-custom-refresh-indicator

A widget to implement your own custom refresh indicator

smaho-engineering/mailto

Simple Dart package for creating mailto links in your Flutter apps or web pages

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