Use core data in today widget

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I'm building an app which also includes a today widget. This today widget should be able to read data from core data. I found a tutorial (http://weblog.invasivecode.com/post/108082269360/sharing-data-between-apps-and-their-extenstions) in the internet. Now I replaced this var:

lazy var applicationDocumentsDirectory: NSURL = { // The directory the application uses to store the Core Data store file. This code uses a directory named "Name.AppName" in the application's documents Application Support directory. let urls = NSFileManager.defaultManager().URLsForDirectory(.DocumentDirectory, inDomains: .UserDomainMask) return urls[urls.count-1] as NSURL

for this var:

lazy var applicationDocumentsDirectory: NSURL? = {
lazy var applicationDocumentsDirectory: NSURL? = {
        return NSFileManager.defaultManager().containerURLForSecurityApplicationGroupIdentifier("group.com.domain.appName") ?? nil
        }()

I don't know why but now I get a few errors. The tutorial says it's all I have to do. But for me it's not working. Does someone of you guys know what I've done wrong and would like to help me?

asked 47 secs ago

horst

12

Use core data in today widget