How to make a simple countdown in minutes for swift iOS? -

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• problems animating countdown in swift sprite kit 2 answers

how code simple timer countdown minutes example 5 minute countdown?

like timer apple created. there way download , see xcode project apple apps?

look nstimer simple way this. may not accurate relatively simple. nstimer calls function "update" every second (indicated 1.0 first argument)

@iboutlet var countdownlabel: uilabel!  var count = 300  override func viewdidload() {     super.viewdidload()      var timer = nstimer.scheduledtimerwithtimeinterval(1.0, target: self, selector: selector("update"), userinfo: nil, repeats: true) }  func update() {      if(count > 0){         let minutes = string(count / 60)         let seconds = string(count % 60)         countdownlabel.text = minutes + ":" + seconds         count--     }  }