ios - Trying to set Border of an UIImage -

i new swift , trying set black border around uiimageview unable so. code

@iboutlet weak var flagimage: uiimageview! var image = uiimage(named: "estonia")  override func viewdidload() {     super.viewdidload()     // additional setup after loading view, typically nib.      flagimage.layer.bordercolor = uicolor(red: 0.5, green: 0.5, blue: 0.5, alpha: 1.0).cgcolor     flagimage.layer.cornerradius = 5.0      flagimage.contentmode = .scaleaspectfit     flagimage.image = image  } 

could on this?

you gave border color imageview how expect see color out area fill in. so,

flagimage.layer.borderwidth = 2 // wish 

gives area around imageview of thickness 2 fill in color gave.