Iphone 如何判断是否显示UIPrintInteractionController？
是否有办法判断是否显示Iphone 如何判断是否显示UIPrintInteractionController？,iphone,objective-c,ios,ipad,airprint,Iphone,Objective C,Ios,Ipad,Airprint,是否有办法判断是否显示UIPrintInteractionController（可能与您检查popover的方式类似） 看来你只需要跟踪你自己 if ([popover isPopoverVisible]) { //the popover is visible } – printInteractionControllerWillPresentPrinterOptions: – printInteractionControllerDidPresentPrinterOptions: –
UIPrintInteractionController看来你只需要跟踪你自己
if ([popover isPopoverVisible]) {
//the popover is visible
}
– printInteractionControllerWillPresentPrinterOptions:
– printInteractionControllerDidPresentPrinterOptions:
– printInteractionControllerWillDismissPrinterOptions:
– printInteractionControllerDidDismissPrinterOptions: