iOS Programming: The Big Nerd Ranch Guide (5th Edi   17. Touch Events and UIResponder

About the 17. Touch Events and UIResponder category (1)
Updating the end point inside touchesEnded()? (2)
Gold Challenge (5)
Gold Challenge (inspired by GPeteN but improved) (4)
Silver Challenge (2)
Unable to run App after Finishing DrawView.swift (4)
Gold Challenge (1)
Silver Challenge: a Third Way (1)
@IBInspectable question? (2)
Silver Challenge : Colors (2)
Silver Challenge: Colors (2)
Error initializing DrawView (3)
Three finger touch does not work (2)