Show Action Sheet

import UIKit

class YeuThichViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

    @IBAction func showActionSheet(sender: AnyObject) {
        let optionMenu = UIAlertController(title: nil, message: "Choose option", preferredStyle: .ActionSheet)

        let actionDelete = UIAlertAction(title: "Delte", style: .Default) { (action) in
            print("File Delete")
        }
        let actionSave = UIAlertAction(title: "Save", style: .Default) { (action) in
            print("File Save")
        }
        let actionCancel = UIAlertAction(title: "Cancel", style: .Cancel) { (action) in
            print("Action Cancel")
        }

        optionMenu.addAction(actionDelete)
        optionMenu.addAction(actionSave)
        optionMenu.addAction(actionCancel)
        self.presentViewController(optionMenu, animated: true, completion: nil)
    }

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
        // Get the new view controller using segue.destinationViewController.
        // Pass the selected object to the new view controller.
    }
    */

}