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Yari D'areglia Senior iOS developer @ Neato Robotics by day, game developer and wannabe artist @ Black Robot Games by night. Follow @bitwaker In this tutorial I’m going to implement the “Pull To Refresh” control created for the iPhone app Periscope. It’s something new that caught my attention, so I thought I’d “disassemble” their layout trying to create something similar. Even if I’m not sure if t

After using Twitter’s iOS App for a while, I started looking at it with the developer’s eye and noticed that some of the subtle movements and component interactions are extremely interesting. This sparked my curiosity: how did you guys at Twitter do it? More specifically, let’s talk about the profile view: isn’t it elegant? It looks like a default view, but if you look closely you’ll notice there’

Yari D'areglia Senior iOS developer @ Neato Robotics by day, game developer and wannabe artist @ Black Robot Games by night. Follow @bitwaker Around two years ago I wrote a tutorial to show how to build custom controls in iOS. That tutorial was really appreciated by the dev community, so I’ve decided to update it to Swift and to add the designable/inspectable properties support to design the contr

Yari D'areglia Senior iOS developer @ Neato Robotics by day, game developer and wannabe artist @ Black Robot Games by night. Follow @bitwaker In this article I want to share with you some of the thoughts I had along the way during my transition from Objective-C to Swift. I’ll try to give you hints and I’ll discuss the main pitfalls, trying to compare, when possible, the different approaches of the

Yari D'areglia Senior iOS developer @ Neato Robotics by day, game developer and wannabe artist @ Black Robot Games by night. Follow @bitwaker It’s been a while and after some long due time off I’m finally back with a new iOS tutorial. I wanted to add some more details to my previous post showing you how to implement an interactive transition and that’s exactly what I’m going to do with this articl

Yari D'areglia Senior iOS developer @ Neato Robotics by day, game developer and wannabe artist @ Black Robot Games by night. Follow @bitwaker In this tutorial I’m going to introduce you to the techniques used to draw 3D stuff with Core Animation. The good news are Core Animation can help us achieve some 3D goodness without using OpenGL directly. There are bad news though: creating a complex 3D vid

Yari D'areglia Senior iOS developer @ Neato Robotics by day, game developer and wannabe artist @ Black Robot Games by night. Follow @bitwaker A Swift version of this article is available here 😉. Following the many requests on Reddit, here we go with the first article about custom controls. Thanks for suggesting it! Whether you design your super custom user interfaces yourself, or a designer does