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There are many techniques for analyzing images for mobile apps. Lot of solution offer many different features, and finding solution which perfectly match your needs may be difficult task. For one of our internal project, we need to analyse image for getting information about shapes (like rectangles, triangles and so on) which match our requirements. To do it, we had to check some popular solutions for images processing. Our solution had to be compatible with both Android and iOS platform, because we did not want to implement our algorithm twice, and we would like to have exactly the same result on both platforms. You can see results of our research here:
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VR Technologies for Mobile Apps

This is the second part of our story and research how to create a VR app. The first one, here, was about linking OpenCV, which we need for a certain reason, and creating a framework with shared code. Now, let's move straight to the VR. The very first question was "how to create and show 3D and/or VR world in a native app?". If you are a game developer, then it may sound silly. We are not, but we had a knowledge about a few solutions, so we took a deeper look at them.
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Creating functional PWA for iOS is tough and requires a lot of workarounds, but it is possible - as you may have seen in my previous article - Few Tips That Will Make Your PWA on iOS Feel Like Native. I wrote that article a few months ago, but unfortunately, it is not outdated yet - support for PWA on iOS is still really poor.
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Thanks to the fact that it can run on multiple platforms, Kotlin is gaining more and more popularity in multiplatform development. Recently we have started a dedicated R&D working group in Netguru in order to establish best practices for multiplatform development and to evaluate how much code reusability we can achieve using this technology. We’ve started to work on an online, multiplayer game project consisting of a Spring backend module along with iOS and Android client apps.
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We wanted to create a framework that uses OpenCV to process pictures, like shape and piece of paper detection. We are going to need it for our internal stuff. I promise that we will inform you about it in the next weeks!
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CreateML is a phenomenal tool introduced at WWDC 2018 by Apple, and it has already created quite a hype. In this blog post, we’ll discover not only why it happened but we will also learn how to use the tool. Let’s start!
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Keeping your code clean

Keeping your code clean - this is something that doesn’t always go hand in hand with programming, especially in a larger team where people can have different experience and code style preferences. You may ask "clean code - is it that important?". Believe me, it is.
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UIKit is an obvious choice when it comes to create layout in iOS. It's solid, stable and quite fast. On the other hand it gets tricky, when you need to create advanced and fancy table or collection view. It's really hard to achieve 60 FPS, even on recent devices, when a user scrolls really fast. This blog post comes with a solution for this!
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Introduction Nowadays, the Bluetooth technology is widely used for general mobile phone and wireless IoT solutions, this last one thanks to the implementation of the Bluetooth Low Energy (BLE) standard suitable for battery-powered IoT sensors.
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Introduction to HomeKit

Smart home devices aren’t something new for us. These days we have many things that you can control using your computer or phone. Not so long ago such things only appeared in movies but nowadays it’s a generally available technology. We can install a window opener in your house which is connected to the Internet or smart switches and door locks which we can open with your phone.
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