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Simple example of how we can start another app in split-screen mode

Simple example of how to handle drag and drop during multi-window

Simple example of how to handle screen changes during multi-window

Does it sound frightening? Not anymore! Easy example how to implement new error handling model in Swift.

For many Core Data is a synonym for an iOS database. Mobile Core Data appeared in 2009 and for five years was the one and only solution. Nowadays Core Data in iOS 9 looks almost the same as the first from iOS 3 SDK. That makes it a little bit out-of-date, especially in Swift app. Fortunately since 2014 there is Realm – new king in the database kingdom.

When we are talking about Rx, often times it all boils down to connecting (binding) our data sources with UI. You can see it clearly in our examples – we are connecting data to UI on a daily basis. In previous parts of the series, apart from UI bindings, we were also talking about retrieving the data. […]

Some advanced solutions for unit tests

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.

A bit different introduction to RxJava

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.

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

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

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.

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

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

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

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.

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.