Use timer swift

Timer.scheduledTimer(timeInterval: 1, 
    target: self, 
    selector: #selector(YourController.update), 
    userInfo: nil, 
    repeats: true)

// @objc selector expected for Timer
@objc func update() {
    // do what should happen when timer triggers an event
}

Similar codes

0 vote215 views1 answer
Swift toggle on change
Swift
1 vote224 views1 answer
Changing color of background swift
Swift
0 vote229 views1 answer
Swift ns_enum generic name
Swift
0 vote247 views1 answer
Swift adding image as background
Swift
1 vote265 views1 answer
Xcode disable a button
Swift
1 vote229 views1 answer
Pop the view controller xcode
Swift
0 vote227 views1 answer
Swift add two arrays
Swift
1 vote237 views1 answer
Pushviewcontroller swift autolayout
Swift
1 vote253 views1 answer
Get tabbar height swift
Swift
0 vote231 views1 answer
Swift get "system" asset image
Swift