Archives: mobile development

Using Websocket on Android

This post is the sequel to this post about WebSockets. I know what you are thinking. But why? Using WebSockets is a really useful way of building realtime applications, because they provide a fast, full-duplex communication channel between the server and the client. There are many libraries out there, usually providing straightforward, easy-to-use APIs for developers […]

ConstraintLayout 1.0

What happened since the first release of ConstraintLayout? Has it changed for the better or the worse? These and similar questions will be addressed below: Introduction It’s been a while since I last wrote about ConstraintLayout and how fun playing around with it is. Meanwhile it went through several alpha, beta and stable versions, so let’s dive […]

Tips and Tricks for Choosing an IT Thesis Topic

#changintheworld #oneappatatime   So, thousands of Hungarian college students turned their theses in last week. It was probably the peak in the middle of a sleep deprived period, as examinations are also still taking place. I decided to save all my key insights from this extraordinarily amazing period of time. (riiiight.) Hopefully it will help […]

XML Drawables for Android Developers

It’s good to know what you can do in xml to draw something on the UI. I recently noticed that I and some colleagues tend to overcomplicate simple tasks, because we don’t really know the built-in possibilities. Sometimes the design requires a not too complex, but not so simple (e.g. a shape) drawing on the […]

How Can I Use WebSocket on iOS?

If you’re a mobile developer, there’s a pretty good chance that you’ve used some kind of networking. Apps most often use a REST API, and usually it’s enough, as it allows fast and easy JSON based communication (here is a JSON object converter). One of the downsides is, however, that REST communication requires the client to […]

ZeroKit and Firebase Demo App First Look

If there is sensitive data to be stored when developing a mobile app, security is of utmost importance. Developers can make hackers’ work harder, but it’s almost impossible to totally prevent a data breach if they are at it. Key and encryption handling can be a real pain-in-the-ass. Storing encrypted data is one thing, but […]

Dynamic Constraint Calculator for iOS

In today’s world of iOS development, graphical interface editors, especially Storyboards, gain more and more popularity. It’s because they continously improve, are easy to grasp, and provide a lot of features to make our lives easier. Not to mention, they save us from a ton of coding. One of these key features is Auto Layout, […]

Converting Your Project to Swift 3.0

Swift 3 is the first update since Apple announced Swift would be going open-source, and is packed with new features based on community direction. When converting to Swift 3, you’ll notice that practically every file needs changes! That’s largely because, all the Cocoa API names have changed. Or to be more precise, the API is […]

RxMp4Parser for Android App Developers

More and more Android apps provide video editing based features. This library is not a complete wrapper for the most recent Mp4Parser library. However, it provides a few useful features that are usually used by these apps. If it does fit your application’s needs, feel free to implement those features based on the current implementation. The […]