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What it Takes to Get an e-Commerce Site Online

Getting an e-Commerce website online might sound like a huge undertaking,...

WebView Interactions with JavaScript

WebView displays web pages. But we are interested not only in web-content...

Google Maps API for Android

Google Maps is a very famous and helpful service, which firmly entrenched...

Unit Testing with RSpec

RSpec is an integral part of Test Drive Development (TDD) and its main id...

Client side JavaScript: Knockout in practice

When developing a web application that extensively works with user input ...

Accessing Field Configurations in JIRA for changing field description

Field configuration defines behavior of all standart (system) fields and ...

A Guide for Upgrading to Ruby on Rails 4.2.0

As you might have already heard, the latest stuff for upgrading rails was...

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18 Feb 2015

Storing Your Data Securely on NFC Tags from Android

Near Field Communication (NFC) is a set of short-range wireless technologies, typically requiring a distance of 4 cm or less to initiate a connection. NFC allows you to share small payloads of data between an NFC tag and an Android-powered device, or between two Android-powered devices.

Android-powered devices with NFC simultaneously support three main operation modes:

  1. Reader / writer mode, allowing the NFC device to read and / or to write passive NFC tags and stickers.
  2. P2P mode, allowing the NFC device to exchange data with other NFC peers; this operation mode is used by Android Beam.
  3. Card emulation mode, allowing the ...