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有沒有辦法判斷UIPrintInteractionController
是否正在顯示(可能與您檢查彈出窗口的方式類似)?如何判斷UIPrintInteractionController是否顯示?
if ([popover isPopoverVisible]) {
//the popover is visible
}
有沒有辦法判斷UIPrintInteractionController
是否正在顯示(可能與您檢查彈出窗口的方式類似)?如何判斷UIPrintInteractionController是否顯示?
if ([popover isPopoverVisible]) {
//the popover is visible
}
看起來你只需要繼續跟蹤自己與UIPrintInteractionControllerDelegate
– printInteractionControllerWillPresentPrinterOptions:
– printInteractionControllerDidPresentPrinterOptions:
– printInteractionControllerWillDismissPrinterOptions:
– printInteractionControllerDidDismissPrinterOptions: