Core Graphics Tutorial: Getting Started | raywenderlich.com

In this Core Graphics tutorial, you’ll learn about using Core Graphics to design pixel-perfect views and how to use Xcode’s interactive storyboards.


This is a companion discussion topic for the original entry at https://www.raywenderlich.com/8003281-core-graphics-tutorial-getting-started

Didnt work! got to Returning to Arcs… copied and pasted the code, build, ran got absolytley nothing like you show in your image!