How to blink a button iOS swift?
Solution: The below extension is used for blink the button. You can call the extension by using the code. btn .b link () Function: extension UIButton { func blink() { self . alpha = 0.0 ; UIView . animate (withDuration: 0.6 , //Time duration you want, delay: 0.0 , options: [. curveEaseInOut , . autoreverse , . repeat ], animations: { [weak self ] in self ?. alpha = 1.0 }, completion: { [weak self ] _ in self ?. alpha = 0.0 }) } func stopBlink() { self . layer . removeAllAnimations () self . alpha = 1.0 ; ...

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