Social Framework iOS 8 swift

Question

Quindi ho scritto un'app che ha bisogno di utilizzare il framework sociale per condividere il testo tramite twitter e facebook.

Ho avuto modo di funzionare ma non ha respinto (?), Poi mi sono ricordato del gestore di completamento, ma qualunque cosa faccia questo gestore continua a darmi errori.

var okFacebook :Bool = SLComposeViewController.isAvailableForServiceType(SLServiceTypeFacebook) 
var okTwitter :Bool = SLComposeViewController.isAvailableForServiceType(SLServiceTypeTwitter) 
var okLinkedIn : Bool = SLComposeViewController.isAvailableForServiceType(SLServiceTypeLinkedIn) 
var socialVC :SLComposeViewController = SLComposeViewController(forServiceType: SLServiceTypeTwitter) 

socialVC.completionHandler = SLComposeViewControllerCompletionHandler(SLComposeViewControllerResult) -> Void 
self.presentViewController(socialVC, animated: true, completion: nil) 

Answer 1

Provate il seguente codice, non ancora testato

socialVC.completionHandler = { 
    (result:SLComposeViewControllerResult) in 
     // Your code 
    } 

Answer 2

override func viewDidLoad() { 
    super.viewDidLoad() 

    if SLComposeViewController.isAvailableForServiceType(SLServiceTypeFacebook){ 
     var facebookSheet:SLComposeViewController = SLComposeViewController(forServiceType: SLServiceTypeFacebook) 


     facebookSheet.setInitialText("Hiya, I have just discovered this great app called Dwingle, which I think you're going to love.") 
     let url = NSURL(string: "") 
     facebookSheet.addURL(url) 
     self.presentViewController(facebookSheet, animated: true, completion: nil) 


     facebookSheet.completionHandler = { 

      result -> Void in 
      self.dismissViewControllerAnimated(true, completion: {() -> Void in 
       self.navigationController?.popToRootViewControllerAnimated(true) 
      }) 
     } 


    } else { 
     var alert = UIAlertController(title: "Accounts", message: "Please login to a Facebook account to share.", preferredStyle: UIAlertControllerStyle.Alert) 
     alert.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.Default, handler: nil)) 
     self.presentViewController(alert, animated: true, completion: nil) 
    } 
}