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Flutter Warsaw #10

At the second presentation 10th edition of Flutter Warsaw Meetup we’ll take a close look at app performance and it’s optimization. If you are here, you might already know, that Flutter tries to provide us really smooth animations, 60 FPS (frames per second) or even 120 FPS rendering on devices that are capable of it. And it’s really good at it, in most scenariosof course, if we don’t fall into some pitfalls. But if we do, we need to know how to avoid such things. The answer to that question you’ll find out in this video, as well as:

What is “under” the Flutter engine;
How Flutter renders widgets;
Basic tips for optimizing your app;
What to do if your app is “slow”;
How to avoid common traps;
Approach to performance debugging;
Build-in debugging tools.

Implementing live whiteboard with Flutter and Firestore database

In this blog post, we will explore a possible implementation of such a whiteboard using Flutter to create a mobile application and Firestore database as backend.

Why Firestore, Part I: reasons to love it

Firestore & Firebase suite are great technologies. They allow us to build some features really fast. However, Firestore has also many pain points that outweigh the pros in most of the more advanced cases.

The Powers of Immutable State

Managing a state can be a stressful ordeal if you dive into it without any thought. This kind of monstrous code can be tamed with the principles of immutability. And as if cleaning your code wasn't enough in itself, immutable state comes with a handful of hidden superpowers! Come along for the journey to find out how to use them.

Using Flutter in the Enterprise environment

Building one of the biggest Fintech applications in Flutter was very challenging. Jakub Biliński is responsible for the architecture, approach and development of a new version of the mobile application for strategic and corporate clients of the bank. In his, he shows how his team had to adjust to FinTech security compliance, write a custom HTTP client, maintain application scalability and more.