Building a Fitness App Using HealthKit to Track Walking Distance
According to the news, health and fitness are more important today than at any point in history. It’s funny, though, as I seem to remember the news telling me the same thing a couple of days ago. Maybe it’s just a feeling that...
Managing SQLite Database with SwiftyDB
Choosing a way for storing data permanently is something that is always needed when developing applications. There are various options we can pick from: To create single files, to use CoreData or create a SQLite database. The...
How To Migrate from Parse to Self-hosted MongoDB
You may have heard that Facebook’s Parse.com, the popular Backend-as-a-Service (BaaS) is shutting down and all features will be permanently shuttered on January 28, 2017. Parse hosts approximately 600,000 apps, so this may...
Unit Testing in Xcode 7 with Swift
Every iOS programmer has to debug their apps once in a while. Unless you’re some kind of crazy coding ninja, you know that desperate feeling when you have is to look for a bug in your code for hours and hours until you...
Swift Tutorial: Building an iOS Chat App Using Socket.IO
iOS apps exist in millions out there, and most of them communicate with servers to exchange data. In their majority, the server implements and provides RESTful APIs that apps can use for the communication. When an app needs to...
Core Image Introduction: Applying Image Filters to Photos
Core Image is a very powerful framework that’s included in iOS and OS X. As the name suggests, it allows developers to filter images in their apps. On iOS, which is the focus of this article, Core Image supplies 90+...
Introduction to Firebase: Building a Simple Social App in Swift
In this day and age, it is practically impossible to build a fully self-contained app that users will really like. As such, iOS developers are reaching out beyond the tools and resources provided by Apple for access to data and...
A Beginner’s Guide to Push Notifications in Swift
“Push Notifications? Ohh, no!”. Yes, that’s the first thing that was coming to my mind when I was called to implement push notifications in an iOS app, and I’m pretty confident that it has been coming to...
How to Use Xcode Targets to Manage Development and Production Builds
Editor’s note: This is a guest post contributed by Eugene Trapeznikov. Imagine you’ve completed the development and testing of your app, you’re now ready to submit it for production release. The problem is that...
Integrating LinkedIn Sign In with iOS Apps Using OAuth 2.0
Social networks are part of our everyday life since a long time ago. Social networks are also part of our programming life, as the majority of the apps must interact somehow with them and send or receive data regarding users. In...