Tomek Polański – Medium

Tomek Polański

Bang! Operator and how to improve your Dart Nullability

Dart promised Sound null-safety to prevent us from committing the Billion Dollar Mistake. Unfortunately, neither Flutter nor our code is…

Nov 7, 2021

Bang! Operator and how to improve your Dart Nullability

Nov 7, 2021

The New Flutter Integration Tests — Are They any Good?

The current Flutter Driver tests will be deprecated and it’s recommended to move to the new Integration Tests.

Apr 5, 2021

Apr 5, 2021

Running Flutter Desktop on Stable channel

TL;DR: Follow those steps if you want to run Flutter as a desktop application on beta or stable channels (and not only on master or dev)

Oct 26, 2020

Running Flutter Desktop on Stable channel

Oct 26, 2020

Published in

Flutter Community

Blazing Fast Driver Tests - made easy

A note of warning: if you are in a Flutter project that won’t take more than 3 months, you won’t need an extensive testing approach…

Feb 5, 2020

Blazing Fast Driver Tests - made easy

Feb 5, 2020

Published in

Flutter Community

How Slivers are made: SliverFillRemaining

SliverFillRemaining is fairly simple yet useful — it fills the remaining scrollable space with a widget of your choice.

Dec 31, 2019

How Slivers are made: SliverFillRemaining

Dec 31, 2019

Published in

Flutter Community

How Slivers are made — Part 1

The best way to learn how to write your own Sliver is to know how existing Slivers are made.

Nov 24, 2019

How Slivers are made — Part 1

Nov 24, 2019

Published in

Flutter Community

Blazingly Fast Flutter Driver Tests

TL;DR: Ever wanted to speed up you Flutter Driver Tests by 750%?

Nov 13, 2019

Blazingly Fast Flutter Driver Tests

Nov 13, 2019

Published in

Flutter Community

Flutter Animations Cheat Sheet

Since writing Flutter Layout Cheat Sheet article, I intended to create a similar article about Flutter’s animations. Unfortunately using…

Jul 26, 2019

Flutter Animations Cheat Sheet

Jul 26, 2019

Published in

Flutter Community

Flutter Laggy Animations: How Not To setState

Creating animations in Flutter is really fun and easy, but there is one bad practice that might make those animations laggy: setState.

Mar 26, 2019

Flutter Laggy Animations: How Not To setState

Mar 26, 2019

Published in

Flutter Community

Elements, Keys and Flutter’s performance

TL;DR: Widget Keys can improve the performance of our application in places where you do not get the promised 60 FPS.

Feb 9, 2019

Elements, Keys and Flutter’s performance

Feb 9, 2019

Tomek Polański

Tomek Polański

Passionate mobile developer. One thing I like more than learning new things: sharing them

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