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 vote173 views1 answer
Xcode combine calayer into an image
Swift
7 votes252 views2 answers
Increase the size of the image in Swiftui
Swift
0 vote163 views1 answer
Swiftui divider remove padding
Swift
1 vote173 views2 answers
Swift dismiss keyboard on return
Swift
0 vote162 views1 answer
ForEach tabs swiftui
Swift
0 vote173 views3 answers
Parsing to double any data type in swift
Swift
0 vote192 views1 answer
Convert dictionary to data
Swift
3 votes170 views2 answers
Change from Date to String swift 5
Swift
1 vote170 views1 answer
Swift open web page
Swift
0 vote171 views1 answer
Can you pass an enum as a parameter to a function swift
Swift