Your First Swift 4 & iOS 11 App - Part 13: | Ray Wenderlich

Learn how to detect when the user moves the slider, and how to store the result in a variable. Along the way, you'll learn the basics of using Swift 4 strings.


This is a companion discussion topic for the original entry at https://www.raywenderlich.com/3990-your-first-swift-4-ios-11-app/lessons/13

hi there, I am facing some issues with running the app, as an error pops up in the print section:

how do I solve this? when i run the app on my phone and i click “Hit Me”, the app refreshes and the above error is printed out.

Please help, thank you

This topic was automatically closed after 166 days. New replies are no longer allowed.

@flora_land Please let me know if you still have this issue when you get a chance. Thank you!