728x90 반응형 observeValue1 add multi addObserver for KVO using addObserver function to observe one or more specific values, should be able to separate values. ex. If we have Label1 and Label2, we don't know what is Label1's value in observeValue function.123456789101112131415// define two UILabel@IBOutlet var label1: UILabel!@IBOutlet var label2: UILabel! // add addObserver to each labellabel1.addOberver(self, forKeyPath: "text", options: [.old, .new].. 2017. 7. 16. 이전 1 다음 728x90 반응형