swift - 在主视图 Controller 中添加 subview 无法执行按钮单击事件

Question

let secondVC = SecondViewController(nibName: "SecondViewController", bundle: nil)        
        var cgRectFrame = secondVC.view.frame
        cgRectFrame.origin = CGPoint(x: self.view.frame.origin.x, y:self.view.frame.origin.y+64)
        cgRectFrame.size = CGSize(width: self.view.frame.size.width, height: self.view.frame.size.height)
        secondVC.view.frame = cgRectFrame
        IBMainView.addSubview(secondVC.view)

Answer 1

尝试secondVC.view.isUserInteractionEnabled = true