Widget: Today extension

  There are several types of extensions Photo, Share, Custom Keyboard etc. Extensions are introduced in iOS 8 and are a very popular feature.  We will focus on Today extension also known as a widget and describe simple implementation of it. First of all, Today and other extensions are simple “child” apps that are extending “parent” apps…

Read More

Understanding Java: RxJava for beginners

In this article I will explain basics of RxJava though examples. This article is for RxJava beginners. On the other hand, if you already know something about RxJava, this article is good for reviewing your knowledge. What is RxJava? RxJava is a Java VM implementation of ReactiveX a library for composing asynchronous and event-based programs…

Read More

How to make Android application like professional

Do you ever wonder what professional Android application code looks like? Is there any specific architecture applied? What about third party libraries?  If you ever asked yourself these questions you are looking at blog post just for you. We are going to write down some key features in our code design and give you short…

Read More

PayPal recurring payment for a single item

Intro PayPal is an online payment provider that performs online money transfers and payment processing for online vendors, auction sites and other commercial uses. It’s definitely one of the most popular payment gateways out on the market today. PayPal will have over 1.5 billion transactions in the last quarter of 2016 and has almost 200…

Read More