How to build a custom control in iOS - Think & Build

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 the job for you, UIKit standard controls won’t likely be enough for your needs. For example, what if you want to build a control to help the user select an Angle value between 0 and 360? A solution would be to create a circular slider and let the user drag the knob to select the angle value. […]