Android

A few months ago, I stumbled upon a video that led me into a rabbit hole. It resulted in a simple application that overlays a sudoku’s solution into the camera image of the puzzle. This post is about the process of getting to the end result. It all started with the idea of writing a sudoku solver. The first version was ready relatively quickly, but there was one big problem: entering the starting position was slow and tedious. That’s when I realized that I could use the camera on my phone as the input device. I’ve never worked with image processing before, but it sounded like a good challenge, so I dived into it. ...

I’m sure for most of you it’s not a surprise, but I also think that there are people out there who either doesn’t know what it is or simply tends to forget about it. The aim of this article is to show these people what it is and why should they use it. So, what is RenderScript? RenderScript is an Android framework which can be used for running computationally heavy tasks at high performance. You will get the most benefit on using it for tasks which require a lot of computation that can be parallelized, as the framework will run your code on every available CPU and GPU cores. ...

This is the talk I gave at the November 2019 Kotlin Budapest meetup. You can find the slides here and the sample code at GitHub.