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 vote136 views2 answers
Fetch request core data
Swift
0 vote124 views2 answers
How to Hide Password in Text field Swift
Swift
0 vote214 views1 answer
Get height of navigation bar swift
Swift
0 vote143 views1 answer
Swift ease in out animatekeyframes
Swift
3 votes115 views1 answer
Show back button in navbar swift
Swift
0 vote133 views1 answer
How to make text selectable swiftui
Swift
0 vote120 views1 answer
Swift iOS15 navigationbar not working
Swift
1 vote140 views1 answer
Underline uitextfield swift rotate
Swift
0 vote117 views1 answer
Swift 5 on return button action
Swift
2 votes181 views1 answer
Swift array to string
Swift