swift2 - Ios Swift Override double tap of UItextField -

i want write custom code on double tap on uitextfield , block default text editing , popup of keyboard. i've tried following , nothing has worked me far. kindly me solve problem.

let gesturearray = namtxtboxval.gesturerecognizers var tapgesture = uitapgesturerecognizer() idxvar in gesturearray! {     if let tapvar = idxvar as? uitapgesturerecognizer     {         if tapvar.numberoftapsrequired == 2         {             tapgesture = tapvar             namtxtboxval.removegesturerecognizer(tapgesture)         }     } }  let doubletap = uitapgesturerecognizer(target: self, action: #selector(namfnc(_:))) doubletap.numberoftapsrequired = 2 doubletap.delegate = self tapgesture.requiregesturerecognizertofail(doubletap) namtxtboxval.addgesturerecognizer(doubletap) 

i've tried:

func gesturerecognizer(gesturerecognizer: uigesturerecognizer, shouldrecognizesimultaneouslywithgesturerecognizer othergesturerecognizer: uigesturerecognizer) -> bool {      return false } 

the way know of

1. put uiview behind uitextfield
2. set textfield's userinteractionenabled = false
3. add double tap gesture uiview

this allow register double tap on textfield area , not popup keyboard or enter editing mode.

not sure plan on doing textfield after double tap should able handle stuff programmatically @ point.

code is:

class viewcontroller: uiviewcontroller {     @iboutlet weak var myviewbehindmytextfield: uiview!     @iboutlet weak var mytextfield: uitextfield!      override func viewdidload() {         super.viewdidload()         let tapgesture = uitapgesturerecognizer(target: self, action: #selector(viewcontroller.mytextfieldtapped(_:)))         tapgesture.numberoftapsrequired = 2         myviewbehindmytextfield.addgesturerecognizer(tapgesture)     }      func mytextfieldtapped(sender: uitapgesturerecognizer) {         print("double tapped on textfield")     } }