在界面 上生成一个摄像头.

UIImagePickerController *imagePickerController = [[UIImagePickerController alloc] init];

imagePickerController.delegate = self;

imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera;

imagePickerController.cameraCaptureMode = UIImagePickerControllerCameraCaptureModePhoto;

imagePickerController.showsCameraControls = NO;

UIView *controllerView = imagePickerController.view;

controllerView.alpha = 0.0;

controllerView.transform = CGAffineTransformMakeScale(0.5, 0.5);

[[[[UIApplication sharedApplication] delegate] window] addSubview:controllerView];

[UIView animateWithDuration:0.3

delay:0.0

options:UIViewAnimationOptionCurveLinear

animations:^{

controllerView.alpha = 1.0;

}

completion:nil

];

在界面 上生成一个摄像头.