ios - Show array elements in textView (Swift) -

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how can add elements array textview 1 second delay?

language- swift (still relatively new programming)

i think need

class viewcontroller: uiviewcontroller {      @iboutlet weak var textview: uitextview!      var array = ["string1", "string2", "string3"]     var = 0     var str: string = ""     var timer = nstimer()      func testfunc() {         str += "\(array[i])\n"         textview.text = str         if == count(array) - 1 {             timer.invalidate()         }         += 1     }      override func viewdidload() {         super.viewdidload()          timer = nstimer.scheduledtimerwithtimeinterval(1.0, target: self, selector: selector("testfunc"), userinfo: nil, repeats: true)     }      override func didreceivememorywarning() {         super.didreceivememorywarning()         // dispose of resources can recreated.     } }

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