python (65.2k questions)
javascript (44.3k questions)
reactjs (22.7k questions)
java (20.8k questions)
c# (17.4k questions)
html (16.3k questions)
r (13.7k questions)
android (13k questions)
Why does the selector, @objc, function add a subview, of my button image (as a UIImageView), in my UIButton?
I first declare the button
let balloon = UIButton()
A background image then gets added to the balloon
balloon.setBackgroundImage(UIImage(named:"balloon.jpg"), for: .normal)
An image view ...
Spencer
Votes: 0
Answers: 1
Unexpectedly found nil of optional value when addtarget of button
There is an error in addTarget of buttonSandK
I Check the reference outlet and it's connected+
if i remove addtarget, the code run. What am i missing here
public protocol tenorFooterDelegate: AnyObje...
Loka
Votes: 0
Answers: 1
How to add target to UITextField in a class other than ViewController
I am trying to write a class that has a method which observe text changes on UITextField objects.
When in ViewController, code below works as intended:
class ViewController: UIViewController {
@IB...

Neco
Votes: 0
Answers: 1