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在我的 iPad 应用程序中，我试图在 UIPopOverController 中打开前置摄像头。它的行为很奇怪。当我第一次单击按钮打开摄像头时，它打开前置摄像头，第二次打开后置摄像头，同样重复。一次前置摄像头和第二次后置摄像头。虽然我也将前置摄像头设置为摄像头设备。这是我的代码，请帮忙。

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

    imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera;
    imagePickerController.delegate = self;
    imagePickerController.allowsEditing = YES;
    [imagePickerController setCameraCaptureMode:UIImagePickerControllerCameraCaptureModePhoto];
    [imagePickerController setCameraDevice:UIImagePickerControllerCameraDeviceFront];

 UIPopoverController *popoverController=[[UIPopoverController alloc] initWithContentViewController:imagePickerController];
[popoverController presentPopoverFromRect:((UIButton *)sender).bounds inView:sender permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
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1 回答 1

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我自己得到了答案。我没有发布 imagePickerController。释放它后，我每次都会得到前置摄像头。;)

于 2013-03-19T09:22:37.207 回答