나는 두 번에이 확장 생성 :
extension Double {
private func delay(delay:Double, closure:()->()) {
dispatch_after(
dispatch_time(
DISPATCH_TIME_NOW,
Int64(delay * Double(NSEC_PER_SEC))
),
dispatch_get_main_queue(), closure)
}
// Delay function written by Matt on http://stackoverflow.com/questions/24034544/dispatch-after-gcd-in-swift/24318861#24318861
func waitSecondsAndDo (closure:()->()) {
delay (self, closure: closure)
}
}
을 그리고 당신은 다음과 같은 코드에서 사용할 수 있습니다 :
5.0.waitSecondsAndDo {
button1.setTitle("(label1.text!)", forState: UIControlState.Normal)
}
관련 : http://stackoverflow.com/a/24318861/457406 –