How can I use Swift 2.2 on Xcode8?
问题 I had a project on Swift2.3 and XCode7 . It worked well. When I have updated it to XCode8 and Swift3 the project does not show anything on the emulator so I decided to use, at least by the moment, Swift2.2 on Xcode8 (I have a copy of the project in Swift2.2 ) but it gives to me the following error: “Use Legacy Swift Language Version” (SWIFT_VERSION) is required to be configured correctly for targets which use Swift. Use the [Edit > Convert > To Current Swift Syntax…] menu to choose a Swift