在iPhone应用程序中检测相机的存在？

问题描述：

我正在编写iOS应用程序，我需要能够检测设备是否有摄像头。以前，我会检查设备是否是iPhone，因为只有iPhone有摄像头 - 但随着iPod Touch 4的推出，这已不再是一个可行的选择。该应用程序在没有相机的情况下运行，但相机的存在增加了功能。

I'm writing an iOS app, and I need to be able to detect if the device has a camera. Previously, I would check if the device is an iPhone or not, since only the iPhone has a camera - but with the launch of the iPod Touch 4 this is no longer a viable option. The app functions without a camera, but the presence of a camera adds functionality.

那么，任何人都可以向我提供返回是否有相机的代码吗？ / p>

So, can anyone provide me with code that returns whether there is a camera or not?

答

你可以在UIImagePickerController中使用 + isSourceTypeAvailable：方法：

You can use +isSourceTypeAvailable: method in UIImagePickerController:

if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera])
   // Has camera

在iPhone应用程序中检测相机的存在？

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