xpc

Is it possible to run multiple instances of the same XPC service using the XPC APIs found in Foundation.framework ( NSXPCConnection , etc.)? The docs don't provide much insight on this matter. EDIT : Did a quick test, and it seems like only one instance of the service is running even though I created two XPC connections. Is there any way to have it run another instance? I believe XPC services designed for one instance per multiple connections. Probably, it is more convenient to manage named pipes with one running executable. So, the most likely it is impossible to create multiple instances

I have a windowed app, and to add some functionality I need another app which launches at login and sync data to server if available. I have tried with NSDistributionNotification but its practically useless in a sandboxed app. I looked up XPC and hoped it will work but I just dont know how to get it to work with the helper. So far I have done this using XPC. Main App NSXPCInterface *remoteInterface = [NSXPCInterface interfaceWithProtocol:@protocol(AddProtocol)]; NSXPCConnection *xpcConnection = [[NSXPCConnection alloc] initWithServiceName:@"com.example.SampleService"]; xpcConnection

My use case: I have a 'MainApp' which does the syncing of files. I would like that 'MainApp' handles all server calls regarding syncing and other REST API calls such as document-sharing, etc. On the other hand, I would have a Finder Sync Extension which would show sync-status icon overlays. It would also have a file-context-menu-item 'Share' which would present a Share dialog where users can choose with whom to share the file. Questions: How should FinderSyncExtension and MainApp communicate? Should XCP be utilised and if so, is it ok that communication is two-ways? For example MainApp

I recently updated to Xcode 7 and upgraded my iPhone to iOS 9. I have developed and released an iOS app that had worked perfectly fine on the latest version of iOS 8 and Xcode 6. Upon trying to go through the process of updated the app for iOS 9 support, I am getting the most ridiculously strange error that has left me baffled. I have done all the syntax corrections automatically through Xcode, and now my app builds properly. It even runs fine at first. I have a button that segues to a view controller with a WebView. This view controller loads a link that will display either an image, website,