Writing on practices and principles to achieve sustainable codebases in iOS for developers and tech firms.
![How to extract functionality from your iOS legacy code](https://images.squarespace-cdn.com/content/v1/60e371d6d057b61780572446/1628460207031-WZTOSPBJP7OJ6IMAPEK0/1*G2-lLp2vT5VPkJwb-gBzPw.png)
How to extract functionality from your iOS legacy code
Have you always wondered how could you extract any existing code into another app in a way that’s comprehensive and repetitive? In the following article, I’ll show how to extract any functionality from a legacy code with an example: In this case, the download of an Array of URLs into UIImages from one of my side projects.