Simple Android Show Password login form
Android added this functionality already, but for my target deployment I had to implement it from scratch . I usually end up doing that anyway. So the idea is to…
RN2483 / RN2903 Firmware upgrade guide
The Microchip RN2483 and the RN2903 are Low-Power Long Range LoRa® Technology Transceiver Modules, in the same package and Pin compatible. The RN2483 is intended for the 433 MHz and…
Morse encoder
The morse code encodes the latin alphabet comprised of 26 letters to a binary base. Traditionally, the destination set used dots and dashes, making the encoded letters easy to transmit…
Voronoi diagrams and OpenLayers 3
OpenLayers is an opensource javascript library for rich web-based geographic applications. I recently had to represent temperature readings on a map. The first idea was to use heatmaps, due to…
DIY Dosimeter Geiger Counter KIT1.0
Note: there is a newer version of this project, KIT1.1, see it here If I was to give this project a version number, the closest match would be the uRADMonitor…
Virtualmin Git return code 22 fatal: git-http-push failed
Installing GIT from Virtualmin is easy. You just need to go to Edit Server->Enabled features->Allow Git Repositories Create a repo by going to Services->Git repositories: Then go to Edit Users->select…
Android Open Source Audio player using MediaCodec API
An open source android library project implementing a versatile audio player that supports the most used audio formats Mp3, AAC, Vorbis, WMA and more.
Google Tango Hackathon in Timisoara
Some impressions on the Google Tango Hackathon held in Timisoara in April 2014. See one of the Winner projects, the Camera 3D and some insight on the new device from Google.
Infused™ project
Infused™ is about passion for design, music, digital, programming and alternative culture in Timisoara, Romania. Structured as a set of interviews with people involved in the act of creation regardless…
Discussing security in online on TV News show
As an IT specialist, I've been invited to a TV Show where I had the chance to discuss a few details on Internet and computer usage safety best Practices, a…
Complex Android GridView with Drag and Drop functionality
A tutorial on how to add Drag and Drop functionality to a gridview control.
Simple Gridview Control for Android
Build a custom gridview control for Android, programmatically.
Software security in Shareware
Applications released as unlockable trial versions are vulnerable. Learn how to protect your work by embedding bulletproof security techniques.
Custom Rotary Knob Control for Android
A custom control for Android that can be used to adjust the volume and to toggle between on/off state at the same time.
Implement Photoshop-like Curves with Leptonica
If you've used Leptonica, you probably know it's a great library, but when you want to use it to replicate Photoshop like effects, you will quickly get to want more…
Enhance saturation in images programatically
Increasing the saturation in an image is equivalent to increasing the "amount of color", while a completely desaturated image would be a grayscale image. See the images below: Normal Saturated…
Blackberry 10 Command line development
Build, compile, sign and deploy applications for the Blackberry Z10, using only the command line tools.
SSH to the Blackberry Z10 (BB10) Guide
A step by step guide on how to generate RSA keys and then use them to establish a SSH connection to a remote Blackberry Z10 device.
Global radiation monitoring network
EDIT: there is a dedicated blog on this project, here. Make sure to follow it for latest news. A few days ago I announced my intention of creating my first…
Leptonica saturation deficit workaround
While working with Leptonica I had the unpleasant surprise to notice that the saturation function pixModifySaturation was not really working properly (or at least not entirely as expected). First I…
Cartoon yourself using Leptonica
Showing how to create a cartoon effect using the image processing library Leptonica
A 3D Carousel View for Android
Create a beautiful custom 3D carousel view, to give your Android user interfaces a modern look. Sample code included under GPL v2.
Android tiled background
Learn how to create a simple tiled background for Android applications using Java code.
Developing for Blackberry 10
A short insight on how to get started with developing for the new Blackberry 10, using dynamically created controls.
How to scale an Android UI on multiple screens
Learn how to scale an user interface to maintain the same aspect ratio, while running the same code on various Android devices.
Virtual Reality App Controls Real household objects
You can use your smartphone (android/iphone) to control electrical equipment inside your home. See how.
uRADMonitor – Unusual Background Radiation Reports – Explained
This page has been created to report unusual activity (radiation, temperature, humidity, luminosity, barometric pressure), as recorded by the uRADMonitor, including all the debug data to support the results. I cannot guarantee the measurement precision, I merely present the data recorded by the instruments.
Programmatically Injecting Events on Android – Part 2
A JNI Library for Android, to inject keys and touches but also listen for incoming input events to and from all applications, available as Open Source under GPL.
uRADMonitor – Online Radiation monitoring station
I've developed the uRADMonitor as an Environmental Radiation Surveillance automated monitoring device. Data is gathered in real time, 24/7, and is exported via the Internet to a database online. The data is available in customizable charts for analysis.
Android Overlay Mouse Cursor
Learn how to create a mouse cursor in Android OS programatically, using Overlay Views.