Blinking effect on UILabel

extension UILabel {

    func startBlink() {
        UIView.animate(withDuration: 0.8,
              delay:0.0,
              options:[.allowUserInteraction, .curveEaseInOut, .autoreverse, .repeat],
              animations: { self.alpha = 0 }, 
              completion: nil)
    }

    func stopBlink() {
        layer.removeAllAnimations()
        alpha = 1
    }
}

//Useage e.g. 
loginButton.blink(duration: 1, delay: 0.1, alpha: 0.0100000003)

Source: stackoverflow.com

Similar codes

3 votes375 views1 answer
Swift notifications mac
Swift
1 vote400 views1 answer
Swift compare string to button title
Swift
0 vote363 views1 answer
Swift make enum inspectable
Swift
1 vote361 views1 answer
Remove checkmark when selecting the cell again swift 5
Swift
1 vote420 views1 answer
Swift uiview gradient
Swift
0 vote393 views1 answer
Printf in swift
Swift
1 vote413 views1 answer
Swift convert base64 string to data
Swift
2 votes341 views2 answers
Swiftui button
Swift
1 vote396 views1 answer
Swift open web page
Swift
0 vote433 views1 answer
Vibrations in ios swift
Swift