Finally, my open source game is live on Google Play and online — After brainstorming, debugging and dithering, my open source ad-free game is out. I created an awesome trailer using kdenlive. It's a free and open source video editor, and I realized pretty quickly that it was capable of everything I wanted, including a bunch of stuff I don’t even know…

Why is it more difficult when it’s your own project? — Over time, I have become really good at mitigating scope creep. Scope creep is when you have defined the purpose of your project, and from the purpose you get the features. And then the boss comes and asks — And you’re like, And then the boss explains how…

How I created a YouTube video using Flutter animations — At the moment, my family is all suffering from some form of anxiety, including my kids (among other things). I searched for a fun animation of the candle and flower breathing exercise that can be followed easily, and for some reason I didn’t find anything that my 11-year-old liked. …

FlutterBluePlus is now static. How can we test it now? — I previously published an article on how to mock Bluetooth using Mockito in a Flutter app. One of the main points of the article was: Note that you cannot mock static functions and variables with Mockito (such as FlutterBluePlus.instance). Another point: In order for StartupManager to be testable, it can’t…

Slowly but surely, we’re getting there — This month I did 3 things in Space Short (10 levels, two bosses, no distractions… Can you make it?): Failed (again) in creating a unit test. Bug fixes. Settings menu. Unit Testing in Unity I’ve consistently failed in creating unit tests. Whether it’s because of problems with the assembly, or outdated packages, or (in…

Part III: tab transitions using Flow widget — Sometimes, you need to transition between two different kinds of grids in your app. For example, you have a grid of images and the user wants to see only the user’s favorites. Some widgets may stay the same, while others change. …

Part II: tab transitions using AnimatedPositioned — Sometimes, you need to transition between two different kinds of grids in your app. For example, you have a grid of images and the user wants to see only the user’s favorites. Some widgets may stay the same, while others change. How can you animate this transition, making existing widgets…

Part I: Page transitions using the hero widget — Sometimes, you need to transition between two different kinds of grids in your app. For example, you have a grid of images and the user wants to see only the user’s favorites. Some widgets are the same, some aren’t. …

The surprising time sink — No space shooter game is complete without some background music and explosion sounds. Adding background music and sound effects (SFX) to the game was actually pretty easy, barring some pitfalls with pooling which I’ll detail below. The most time-consuming part wasn’t adding the music and effects; it was choosing them…