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Newsletter Issue 34

April 13, 2020

Remember comment, rate, claps, or any other recognition that you want to those who write these fantastic articles, tutorials, packages, and videos.

If you have any remote conference about Flutter or Dart that you want me to share, please send a message on Twitter @fluttertap. Also, if you have any important message, I will do my best to share it. We have to help each other in this situation.

Remember Flutter Week starts today at 4 p.m. (UTC). The Flutter Week is a 100% online and 100% free event. This community led online event is fully dedicated to the Flutter development framework. A set of experts from all around the world will present you various topics to improve your skills and learn how to be more creative with the technology. Everything will be presented in a relaxed mood, and you will have the opportunity to ask all your questions to the experts during the live sessions. The week of Monday April 13 to Friday April 17, every day at 5 p.m. (GMT) / 9 a.m. (PST) two Flutter talks will be given and broadcasted on Twitch.

Stay safe; stay at home. Enjoy the advantage of being a developer and work remotely!


Articles

Looking for a Flutter App to Build?. Jackson Zhou and his friends started this project to solve the need to have a private and secure communication app, and now they are looking for others to contribute to their project. It’s a great way to help and to learn Flutter at the same time.

Flutter Interview Questions and Answers, Q1 2020. In this article, Artur Rymarz gives us a set of questions and answers that a Flutter developer should know. Very useful if you are looking for a job in Flutter.

Tools

How to use remote access to Codemagic virtual MacOS build machine. If you don’t have MacOs around, but you want to test and publish your app to the App Store, this solution can help you. You can access a complete macOS Virtual Machine where you can run and test your app on the Simulator, make configuration changes, and much more.

Tutorials

How to make a serverless Flutter video sharing app with Firebase Storage, including HLS and client-side encoding. A fantastic tutorial by Jonathan Perry on how to create a Flutter app to view and share videos.

DateField in Flutter Made Easy. This is a very short but useful tutorial by Gaspard Merten. Here we learn how to display and configure a date selector on Flutter.

Creating an IoT based Flutter app to interact with any home electrical equipment. A great tutorial by Souvik Biswas. We learn how to control an IoT device using Flutter and Bluetooth.

Reducing Flutter App Size. In this tutorial by Samuel Abada, we learn how to put our Flutter app on a diet.

Videos

Remote Config in Flutter. By FilledStacks. In this tutorial we go over remote config in from Firebase and how to integrate it into a Flutter application.

IgnorePointer (Flutter Widget of the Week). It can be useful to prevent the user from interacting with parts of your app. When the UI changes under users’ fingers, that’s actually a pretty common and frustrating problem. You could address this problem by disabling all interactive elements in your app, one by one, or you could use IgnorePointer.

CI/CD in Flutter - Priit Lätt | Flutter Europe. Flutter apps run on Android, iOS, web, macOS, Linux, Windows and other embedded devices. Your build server should be able to build apps for all of the platforms and scale as your team grows. Unfortunately, long build times and messy configurations can quickly scale as well and nobody likes to wait 60 mins to build hello world. So what is there for a lean mean dev team to do? Priit has been building CI systems before they were cool and knows a few tricks of the trait. Come along for a practical session of CI/CD with Flutter.

Packages

cached-network-image Flutter library to load and cache network images. Can also be used with placeholder and error widgets. pub.dev.

string_scanner A class for parsing strings using a sequence of patterns. pub.dev.

country-code-picker A flutter package for showing a country code selector. In addition it gives the possibility to select a list of favorites countries, as well as to search using a simple searchbox. pub.dev.

App of the Week

Remember to post your favorite app appweek.fluttertap.com.

Mini Donkey. Mini Donkey carries private messages securely and secretly with encryption (AES) and steganography (technique of concealing messages in images). Open-source made with Flutter.