Learn how to detect when the user moves the slider, and how to store the result in a variable.
This is a companion discussion topic for the original entry at https://www.kodeco.com/37086140-your-first-ios-swiftui-app-an-app-from-scratch/lessons/16
This is a companion discussion topic for the original entry at https://www.kodeco.com/37086140-your-first-ios-swiftui-app-an-app-from-scratch/lessons/16
Why is the slidervalue a double to begin with?