I have a project with mixed Swift and Objective-C in Xcode 8 that uses the generated \"ModuleName-Swift.h\" header file to import swift into Objective-c classes, but the pre
You need to add this in your build settings.
There might be an issue while migrating to Xcode 8, where you will have unspecified
in the build setting Swift header file.
This if from killerz
Go to Build Settings->Objective-C Generated Interface Header Name and set the value to YourModule-Swift.h (this is usually already set, this is the filename you need to import on .m file #import "YourModule-Swift.h"