To send a parcelable to another application for it to be deserialized it is essential that: the class definitions of the class to be serialized are identical in both apps, the packages of the classes ...Read More
Introduction The first functionality we want to implement in the Ersa Android client is some basic dashboarding. We’ll display the latest temperature and humidity readings by origin (sensor node...Read More
Introduction The core functionality of the Ersa library is all about calculating the dew point from temperature and humidity data. The dew point is used to assess environmental risks, like mold and co...Read More
With all these Raspberry Pi and Arduino projects in mind I am developing this gauge view for IoT apps on Android. There are some alternatives around, but I’m not quite satisfied with them as the...Read More
Roger Engelbert’s excellent tutorial on building a classic Frogger clone with libGDX appears to have gone offline. A couple of months ago I based my own clone on this. It definitely needed some ...Read More
The sliding toggle button has been modernized. It has finally been migrated to the Gradle build system and it targets recent API levels now. It has also been added to jcenter, so you can simply add it...Read More
I’m using the MPAndroidChart library (3.0.0) to represent psychometric personality test results in a radar chart (AKA spider chart or cobweb chart). Since the documentation I found on this was e...Read More
Introduction We have already seen how to create an installable .deb package. However, to make it Ubuntu we need a source package that actually builds on the Launchpad server farm. This is not hard, bu...Read More
We have created a new Launchpad PPA for the Ubuntu software presented on this site. Details can be found here: https://launchpad.net/~helfrich . For now the repository only contains a rather silly gam...Read More
Nitris runs as a Java desktop application (Linux, Mac, Windows) and as an Android app (with some modifications also as an HTML5 web app or an iOS app). You can find it in our Git repository. Game conc...Read More
Introduction OSMDroid is a suitable alternative to Google Maps if you need an alternative tile source for mobile maps (e.g. a hiking map or a custom representation of a campus or theme park). In this ...Read More
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