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

0 vote145 views1 answer
Swiftui change form section color
Swift
1 vote132 views2 answers
Swift ways to setup constraints
Swift
0 vote135 views1 answer
Ios swift create new background thread
Swift
0 vote85 views1 answer
UIFont.init bold
Swift
0 vote137 views1 answer
Table flutter stackoverflow
Swift
0 vote166 views1 answer
Get absolution position of view in swift
Swift
1 vote138 views1 answer
Get device height and width wift
Swift
0 vote138 views1 answer
Navigation title bar color swftui
Swift
0 vote127 views1 answer
Swift chuck array in peases
Swift
1 vote155 views1 answer
Swift if let
Swift