10 Years as Engineer

Around this time in May, 10 years ago, I graduated in Computer Science. I finished the 5-year degree in the University of Murcia, Spain. Only 14 students and way more professors. There are moments when you wonder if it was the right choice, or if you will ever change to …

Reusable Software Usability Specifications for mHealth Applications

For my PhD I write scientific articles that are submitted to scientific journals or conferences. This post is about a new published article.  “Reusable Software Usability Specifications for mHealth Applications” is published in the Journal of Medical Systems. The Journal of Medical Systems is indexed in the Journal Citation Reports (JCR) and …

My PhD Dissertation

In this post I want to share an overview of my PhD dissertation. When I finished my degree in Computer Science, I did a masters that included some content about researching. This masters was the first step to start working on a PhD. After several years writing articles and contributing …

Android Studio 2 Essentials

Android Studio 2 Essentials is my new released book that has been published by Packt Publishing here. You can get it also from Amazon here. This book is an update of the previous one “Android Studio 2 Essentials”. Android Studio is an IDE that is based on the JetBrains IntelliJ IDEA. It gives developers …

Some issues with the One Plus 2

I have been using my new One Plus 2 for 4 days now and I have found a couple of issues that I’m sharing in this post. I have also posted them in the One Plus forum. These are the versions of the software related to these issues: Oxygen version: 2.0.1 …

Apple Watch battery life

One of the key factors to the adoption of wearables is their battery life. We already use laptops, smartphones and tablets that we need to charge almost everyday. Having a wearable device like a smartwatch implies one more device to charge. If our smartphone has a low battery level, we …

First look at Apple Watch

In this post I want to show you the first look at Apple Watch. This post includes: pairing the watch with your iPhone, the charger and what happens when the watch is disconnected from the paired iPhone. My experience is that the Apple Watch is a cool gadget to wear, …

iBeacon Sample Project

In this post I want to show you how we can create the simplest iOS app that monitors and ranges devices that follow the iBeacon protocol. An iBeacon device is a BLE (Bluetooth Low Energy) device that transmits its identification information: UUID, major and minor. You can learn more about …

Introduction to iBeacon

The iBeacon standard is an extension of iOS Location Services. An iBeacon device is a BLE (Bluetooth Low Energy) device that transmits its identification information: UUID, major and minor. This information is hierarchical and the UUID is the beacon’s principal identifier. The iBeacon functionality provided by iOS allows two types …