Chapter 14 final solution FlightBoardInformation.swift can not show preview view.
why this view 's preview canvas can not show up.
same solution ,other view’s preview canvas can show up.
Chapter 14 final solution FlightBoardInformation.swift can not show preview view.
why this view 's preview canvas can not show up.
same solution ,other view’s preview canvas can show up.
I think that’s an Xcode bug. It’s on my list to look at and fix for the third edition.