Swift短信分享

功能：用于短信分享内容

//MARK: 短信
    // 調用方法
    func sendMessage() {
       if (self.canSendText()) {
            self.presentViewController(self.configuredMessageComposeViewController(), animated: true, completion: nil)
       } else {
            MPAlertView.showAlertView("目前裝置不支援短信功能")
       }
    }

    // 是否能發送短信
    func canSendText() -> Bool {
        return MFMessageComposeViewController.canSendText()
    }

    func configuredMessageComposeViewController() -> MFMessageComposeViewController {
        let messageComposeVC = MFMessageComposeViewController()
        messageComposeVC.messageComposeDelegate = self // 設定代理，遵循代理方法
        let inviteCode = NSUserDefaults.standardUserDefaults().stringForKey(kInviteCode)
        messageComposeVC.body = "短信内容"
        return messageComposeVC
    }

    //MARK: MFMessageComposeViewControllerDelegate
    func messageComposeViewController(controller: MFMessageComposeViewController!, didFinishWithResult result: MessageComposeResult) {
        switch result.value {
        case :
            MPAlertView.showAlertView("取消發送")
            self.dismissViewControllerAnimated(true, completion: nil)

        case :
            MPAlertView.showAlertView("發送失敗")
            self.dismissViewControllerAnimated(true, completion: nil)

        case :
            MPAlertView.showAlertView("發送成功")
            self.dismissViewControllerAnimated(true, completion: nil)

        default:
            controller.dismissViewControllerAnimated(true, completion: nil)
        }
        self.dismissViewControllerAnimated(true, completion: nil)
    }