如何显示相机但不让用户拍照？

Question

如何让用户看到前置摄像头，但是阻止他们拍摄照片，视频或切换到iPhone 4 / 4s和/或iPod Touch 4上的后置摄像头？

Answer 1

cameraPicker = [[UIImagePickerController alloc] init];
....
cameraPicker.showsCameraControls = NO;
cameraPicker.cameraDevice = UIImagePickerControllerCameraDeviceFront;

Answer 2

您可以使用AVFoundation框架打开相机。

试试此示例代码https://developer.apple.com/library/ios/#samplecode/AVCam/Introduction/Intro.html#//apple_ref/doc/uid/DTS40010112。