Tweet a photo!

tweet.swift

    //MARK: - Social Methods
    func tweet(message: String?, image: UIImage?, url: NSURL?) {
        let accountStore = ACAccountStore()
        let accountType = accountStore.accountTypeWithAccountTypeIdentifier(ACAccountTypeIdentifierTwitter)
        accountStore.requestAccessToAccountsWithType(accountType, options: nil) { (granted: Bool, error: NSError!) -> Void in
            if granted {
                let accounts = accountStore.accountsWithAccountType(accountType)
                self.twitterAccount = accounts.first as? ACAccount
                
                if SLComposeViewController.isAvailableForServiceType(SLServiceTypeTwitter) {
                    let controller = SLComposeViewController(forServiceType: SLServiceTypeTwitter)
                    controller.setInitialText(message)
                    controller.addImage(image)
                    controller.addURL(url)
                    controller.completionHandler = { (result: SLComposeViewControllerResult) -> Void in
                        switch result {
                        case SLComposeViewControllerResult.Cancelled:
                            println("tweet: cancelled")
                        case SLComposeViewControllerResult.Done:
                            println("tweet: success")
                        }
                    }
                    self.presentViewController(controller, animated: true, completion: { () -> Void in
                        // Controller is presented
                    })
                }
            } else {
                println("Twitter is not available")
            }
        }
    }
    
    
    @IBAction func tweetPhoto(sender: AnyObject) {
        tweet(nil, image: self.imageView.image, url: nil)
    }