In my project, Im using dispatch_main() in the main function of the project(who is in c++,Xcode). This method(createObserver() runs from a background thread). This is just an example how Im using this code in my project Var observer = (įorName: NSWorkspace.didActivateApplicationNotification, Im trying to detect events of focus change(when the active window changed) in swift, by adding observer like this:
