Set the brush stroke width and opacity.In this tutorial, you will create an app very much like Color Pad for iPhone. Want to learn how to make a drawing app of your own? The good news is that it’s pretty easy, thanks to some great drawing APIs available through UIKit in iOS. Abdul Azeem Khan wrote the original and Jean-Pierre Distler completed a previous update.Īt some stage in our lives, we all enjoyed drawing pictures, cartoons and other stuff.įor me, it was using a pen and paper but, these days, the old pen and paper have been replaced by computers and mobile devices! Drawing can be especially fun on touch-based devices, as you can see by the abundance of drawing apps on the App Store.
Update note: Ron Kliffer updated this tutorial for Xcode 10, Swift 4.2 and iOS 12.
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