swift - UIPopoverController(快速)

Question

试图让 UIPopoverController 在 iPad 上显示一个 uipickerviewcontroller

    let popOver = UIPopoverController()
    popOver.delegate = self
    popOver.setContentViewController(imagePicker, animated: true)

错误:

*** Terminating app due to uncaught exception 'NSGenericException', reason: '-[UIPopoverController init] is not a valid initializer. You must call -[UIPopoverController initWithContentViewController:].'

Answer 1

使用

let popOver = UIPopoverController(contentViewController:imagePicker)