无法使用AirPrint显示打印机选项 [英] Unable to display printer options with AirPrint

问题描述

我想将AirPrint功能添加到我的iPad应用程序

I want to add AirPrint functionality to my iPad application

我一直在尝试显示Apple的绘图和打印指南

I have been trying to display printer ontions described in Apple's Drawing and Printing Guide

我有工具栏和 UIBarButtonItem * printButton 。在控制器中，我收到 onPrintClick 并尝试通过以下代码显示打印机选项：

I have toolbar and UIBarButtonItem *printButton. In controller I receive onPrintClick and try to display printer options by such code:

UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController];
 [controller setDelegate:self];
 if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
  [controller presentFromBarButtonItem:self.printButton animated:YES
         completionHandler:completionHandler];
 } else {
  [controller presentAnimated:YES completionHandler:nil];
 }

请帮忙，因为我什么都没收到：（

Please help, because I do receive nothing :(

推荐答案

有类似的问题：
如何在iOS 4.2中打印？

试试这个。
这对我有帮助将Air Print添加到我的应用程序。

Try with this. It really helped me in adding Air Print to my app.

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