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

1 vote169 views1 answer
Swift get day from available string
Swift
0 vote146 views1 answer
Uitextfield get focus swift 5
Swift
1 vote133 views1 answer
Navigationcontroller.pushviewcontroller
Swift
0 vote137 views1 answer
UINavigationBar turns black
Swift
0 vote131 views2 answers
Convert data to json swift
Swift
0 vote130 views1 answer
Generate random bool swift
Swift
1 vote85 views1 answer
How to swift pie chart quartzcore framework
Swift
0 vote129 views1 answer
Swift toggle on change
Swift
0 vote136 views2 answers
String index in swift
Swift
1 vote136 views1 answer
Failure Reason: SecurityUser Info: {DVTRadarComponentKey = 855031;RawLLDBErrorMessage = Security
Swift