我正在通过uibutton在iPad上提供一个弹出框控制器。我将UIPopoverController的委托设置为主视图控制器。 “ popoverControllerShouldDismissPopover”和“ popoverControllerDidDismissPopover”都没有被调用。我想念什么吗?
class MainVC: UIViewController,UIPopoverControllerDelegate
@IBAction func btnTPD(sender: UIButton) {
var vc = MyXIB(nibName: "MyXIB",bundle: nil)
var nav = UINavigationController(rootViewController: vc)
var popover = UIPopoverController(contentViewController: nav)
popover.delegate = self
popover.popoverContentSize = CGSize(width: 283, height: view.bounds.height * 0.6)
popover.presentPopoverFromRect(sender.frame, inView: self.view, permittedArrowDirections: UIPopoverArrowDirection.Any, animated: false)
}
func popoverControllerShouldDismissPopover(popoverController: UIPopoverController) -> Bool {
println("SHOULD DISMISS")
return true
}
func popoverControllerDidDismissPopover(popoverController: UIPopoverController) {
println("DID DISMISS")
}
最佳答案
看来我的UIPopoverController实例(var popover)需要在“ btnTPD”函数外声明,以使委托函数起作用。
class MainVC: UIViewController,UIPopoverControllerDelegate {
var popover: UIPopoverController!
@IBAction func tapped(sender: UIButton) {
var vc = MyXIB(nibName: "MyXIB",bundle: nil)
var nav = UINavigationController(rootViewController: vc)
popover = UIPopoverController(contentViewController: nav)
popover.delegate = self
popover.popoverContentSize = CGSize(width: 283, height: view.bounds.height * 0.6)
popover.presentPopoverFromRect(sender.frame, inView: self.view, permittedArrowDirections: UIPopoverArrowDirection.Any, animated: false)
}
func popoverControllerShouldDismissPopover(popoverController: UIPopoverController) -> Bool {
println("SHOULD DISMISS")
return true
}
func popoverControllerDidDismissPopover(popoverController: UIPopoverController) {
println("DID DISMISS")
}
}