当在Objective-C项目中中使用CoreData时,由于部分数据字段默认是支持Swift的,现在要把Swift修改成Objective-C.
The “Swift Language Version” (SWIFT_VERSION) build setting must be set to a supported value ...……
最近练手Swift开发,遇到一个报错
Check dependencies
The “Swift Language Version” (SWIFT_VERSION) build setting must be set to a supported value for targets which use Swift. This setting can be set ...……