ios - Add sound for each button -

i'm making app name user , choose thumbnail (and it'll play sound). problem couldn't play different sounds each button. plays last 1 keyed value in (in case, avengers). started swift last week , don't know language. google of time. here's code. in advance.

import uikit import avfoundation  class imagesviewcontroller: uiviewcontroller, avaudioplayerdelegate {      var audioplayer: avaudioplayer?      @ibaction func antman(sender: anyobject) {         audioplayer!.play()     }     @ibaction func avengers(sender: anyobject) {         audioplayer!.play()     }      func selectsound(alertsound: string, sound: string)  {          var alertsound: nsurl = nsurl (fileurlwithpath: nsbundle.mainbundle().pathforresource(sound, oftype: "mp3")!)          var error: nserror?         {             audioplayer = try avaudioplayer(contentsofurl: alertsound)         }         catch var error1 nserror {             error = error1             audioplayer = nil         }          audioplayer!.delegate = self         audioplayer!.preparetoplay()      }      override func viewdidload() {         super.viewdidload()          // additional setup after loading view.          selectsound("1", sound: "antman")         selectsound("2", sound: "avengers")     }       override func didreceivememorywarning() {         super.didreceivememorywarning()         // dispose of resources can recreated.     }      func audioplayerdidfinishplaying(player: avaudioplayer, flag: bool) {      }      override func prepareforsegue(segue: uistoryboardsegue, sender: anyobject?) {         let newvc: results = segue.destinationviewcontroller as! results         print("xxx ,%s", segue.identifier)          newvc.receivedfirstname = segue.identifier!     }       /*     // mark: - navigation      // in storyboard-based application, want little preparation before navigation     override func prepareforsegue(segue: uistoryboardsegue, sender: anyobject?) {         // new view controller using segue.destinationviewcontroller.         // pass selected object new view controller.     }     */  } 

you can like:

    @ibaction func antman(sender: anyobject) {         selectsound("1", sound: "antman")         audioplayer!.play()     }     @ibaction func avengers(sender: anyobject) {         selectsound("2", sound: "avengers")         audioplayer!.play()     }