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I made a button. And used the below code. But it doesn't work at all. 

override func pressesBegan(_ presses: Set<UIPress>, with event: UIPressesEvent?) {
    print("pressTest")
    btnConvert.isHidden = true
}

How can I know when the button is pressed and when button pressing is canceled?

김동현
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1 Answers1

1

Use the built-in UIButton functions - .touchDown, .touchUpInside, .touchUpOutside.

Touch begin:

myButton.addTarget(target, action: action, for: .touchDown)

Touch ends:

myButton.addTarget(target, action: action, for: .touchUpInside)
myButton.addTarget(target, action: action, for: .touchUpOutside)