以编程方式从ipad发送数据到wifi打印机

Question

我正在创建一个ipad应用程序，我想以编程方式将数据发送到wifi打印机。是否有任何API或示例代码可用于实现此目的？

谢谢。

Answer 1

我认为正常的打印API将使用AirPrint来完成此操作。 http://developer.apple.com/library/IOs/documentation/2DDrawing/Conceptual/DrawingPrintingiOS/Printing/Printing.html

此外，有一个名为Printopia伟大的应用程序，让你的Mac作为一个AirPrint的主机：http://www.ecamm.com/mac/printopia/

Answer 2

UIPrintInteractionController * PIC = [UIPrintInteractionController sharedPrintController]

如果（PIC & & [UIPrintInteractionController canPrintData：self.myPDFData]）{

pic.delegate = self; 

UIPrintInfo *printInfo = [UIPrintInfo printInfo]; 

printInfo.outputType = UIPrintInfoOutputGeneral; 

printInfo.jobName = @"PrintPdf"; 

printInfo.duplex = UIPrintInfoDuplexLongEdge; 

pic.printInfo = printInfo; 

pic.showsPageRange = YES; 

pic.printingItem = self.myPDFData; 

void (^completionHandler)(UIPrintInteractionController *, BOOL, NSError *) = 

^(UIPrintInteractionController *pic, BOOL completed, NSError *error) { 

    if (!completed && error) 

     NSLog(@"FAILED! due to error in domain %@ with error code %ld", 

       error.domain, (long)error.code); 
}; 
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) { 

    [pic presentFromRect:self.printButton.frame inView:self.view animated:YES completionHandler:^(UIPrintInteractionController *printInteractionController, BOOL completed, NSError *error) { 
    }]; 

} else { 
    [pic presentAnimated:YES completionHandler:completionHandler]; 
} 

}