ios - How to play a sound using Swift? -

i play sound using swift.

my code worked in swift 1.0 doesn't work anymore in swift 2 or newer.

override func viewdidload() {     super.viewdidload()      let url:nsurl = nsbundle.mainbundle().urlforresource("soundname", withextension: "mp3")!      {          player = try avaudioplayer(contentsofurl: url, filetypehint: nil)      } catch _{         return     }      bgmusic.numberofloops = 1     bgmusic.preparetoplay()       if (data.backgroundmenuplayed == 0){         player.play()         data.backgroundmenuplayed = 1     } } 

most preferably might want use avfoundation. provides essentials working audiovisual media.

update: compatible swift 2, swift 3 , swift 4 suggested of in comments.

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swift 2.3

import avfoundation  var player: avaudioplayer?  func playsound() {     let url = nsbundle.mainbundle().urlforresource("soundname", withextension: "mp3")!      {         player = try avaudioplayer(contentsofurl: url)         guard let player = player else { return }          player.preparetoplay()         player.play()      } catch let error nserror {         print(error.description)     } } 

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swift 3

import avfoundation  var player: avaudioplayer?  func playsound() {     guard let url = bundle.main.url(forresource: "soundname", withextension: "mp3") else { return }      {         try avaudiosession.sharedinstance().setcategory(avaudiosessioncategoryplayback)         try avaudiosession.sharedinstance().setactive(true)           player = try avaudioplayer(contentsof: url)         guard let player = player else { return }          player.play()      } catch let error {         print(error.localizeddescription)     } } 

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swift 4 (ios 11 compatible)

import avfoundation  var player: avaudioplayer?  func playsound() {     guard let url = bundle.main.url(forresource: "soundname", withextension: "mp3") else { return }      {         try avaudiosession.sharedinstance().setcategory(avaudiosessioncategoryplayback)         try avaudiosession.sharedinstance().setactive(true)            /* following line required player work on ios 11. change file type accordingly*/         player = try avaudioplayer(contentsof: url, filetypehint: avfiletype.mp3.rawvalue)          /* ios 10 , earlier require following line:         player = try avaudioplayer(contentsof: url, filetypehint: avfiletypempeglayer3) */          guard let player = player else { return }          player.play()      } catch let error {         print(error.localizeddescription)     } } 

make sure change name of tune extension. the file needs imported (project build phases > copy bundle resources). might want place in assets.xcassets greater convenience.

for short sound files might want go non-compressed audio formats such .wav since have best quality , low cpu impact. higher disk-space consumption should not big deal short sound files. longer files are, might want go compressed format such .mp3 etc. pp. check compatible audio formats of coreaudio.

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fun-fact: there neat little libraries make playing sounds easier. :)
example: swiftysound