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有没有办法判断UIPrintInteractionController
是否正在显示(可能与您检查弹出窗口的方式类似)?如何判断UIPrintInteractionController是否显示?
if ([popover isPopoverVisible]) {
//the popover is visible
}
有没有办法判断UIPrintInteractionController
是否正在显示(可能与您检查弹出窗口的方式类似)?如何判断UIPrintInteractionController是否显示?
if ([popover isPopoverVisible]) {
//the popover is visible
}
看起来你只需要继续跟踪自己与UIPrintInteractionControllerDelegate
– printInteractionControllerWillPresentPrinterOptions:
– printInteractionControllerDidPresentPrinterOptions:
– printInteractionControllerWillDismissPrinterOptions:
– printInteractionControllerDidDismissPrinterOptions: