Insights for app owners, developers, and all digital product enthusiasts


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Unit tests with custom JUnit rules, annotations and resources

Some advanced solutions for unit tests

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How to migrate Parse app to AWS – our story

Parse announced that they were going to retire on January 28, 2017. It is a big problem for all customers using Parse for their apps because they have to migrate all data and set up their own backend. We have already moved one of our apps and we want to share with you our experience.

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RxJava – the production line

A bit different introduction to RxJava

Beautiful charts in Swif

Beautiful charts in Swift

Charts are lovely way to present complicated data sets. Everything seems to be easier when you can see it. One picture is worth of thousand words and the same can be said about charts.

Reactive Programming Rx Swift

RxSwift by Examples #3 – Networking

Learn how to fetch your data from API, chain requests and setup Moya with RxSwift!?

Reactive Programming Rx Swift

RxSwift by Examples #2 – Observable and the Bind

In this article we will learn about bindings and how you can connect things in RxSwift!

Swift vs Obj-C Performance Comparison

Swift vs Obj-C Performance Comparison

Is Swift faster than Objective-C? This question has been asked so many times and the answer is still unclear. So I took the recent Xcode 7.3 beta and ran some tests comparing Swift 2.2 and Objective-C. The results were surprising even for me.

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Rosie – Let’s Dive Into Clean Architecture

Review of Rosie – Android framework to create application that follows principles of Clean Architecture.

Reactive Programming Rx Swift

RxSwift by Examples #1 – The Basics

Start your adventure with Functional Reactive Programming and learn how to use RxSwift in your app development!

Android Flip Animation - Explained

How to add Card Flip Animation to your Android App

Read how to make your Android App more delightful using Card Flip Animation.

What’s new in Swift 2.2?

What’s new in Swift 2.2?

Swift 2.2 is going to be released with Xcode 7.3 and is supposed to be sometime in March to May of 2016. This issue is planned to be an intermediate point between Swift 2 and Swift 3 contains more changes. Actually Swift 2.2 only warns you about changes, when Swift 3 would not allow you many things you have got used to. But do not worry – I guess it is another big step to make Swift swifter.

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IBDesignable and IBInspectable in Interface Builder

A picture is worth a thousand words. Simple and meaningful. Why have to setup whole view (meaning not only UIView, but all its subclasses included buttons, images or cells) with raw code and imagine how it possibly could look, when you can easily use IBInspectable and IBDesignable available in Interface Builder since Xcode 6? Exactly! Let’s try it out and take a look how simple it is.

Example of Realm with MVP and Dagger

Example of Realm with MVP and Dagger

How to use Realm in MVP pattern with Dagger

Realm in Android – simple example

Realm in Android – simple example

Simple example of Realm database

How to integrate Gerrit with HipChat

How to integrate Gerrit with HipChat

You can find complete source code on Droids on Roids’ GitHub repository Background One of the useful features for Gerrit users is to receive notifications about events related to their changes. Gerrit contains built-in support for email notifications. You can just configure SMTP settings and voilà, bunch categories of emails will be sent. So far so […]

Google Cloud Messaging and Parse comparison

Google Cloud Messaging and Parse comparison

Two different ways of approaching the implementation of Apple Push Notification Service in iOS app. Google Cloud Messaging versus Parse Push Notifications. Which one is the best for you?

SwiftCarousel

Circular UIScrollView – SwiftCarousel

Circular UIScrollView. Learn how to use SwiftCarousel helper with examples.

Log in with Twitter with Swift (iOS)

Log in with Twitter with Swift (iOS)

Currently, most mobile applications have login by social networks. In this post we will focus on solution using Twitter platform. We will try to create simple login using Parse backend service which provides support the Twitter API.