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 vote132 views1 answer
How to make text selectable swiftui
Swift
1 vote139 views1 answer
Uicolor from hex swift
Swift
4 votes135 views3 answers
Swift 5 get current date
Swift
0 vote173 views1 answer
Convert nscfstring to dictionary swift
Swift
0 vote173 views1 answer
Swift how to dereference unsafemutablepointer
Swift
0 vote132 views1 answer
How to dismiss a view when touch up inside swift
Swift
0 vote139 views1 answer
Swift subtract dates
Swift
1 vote131 views1 answer
IOS 10.3.1 Simulator manually
Swift
1 vote138 views1 answer
White or light ASAuthorizationAppleIDButton “Sign in with Apple” button - Swift
Swift
0 vote123 views1 answer
Xcode how to get aspect ratio of device
Swift