小编Coc*_*tch的帖子

我想用 录制视频UIImagePickerController。我的问题是该方法 [imagePickerController startVideoCapture];总是返回 0。我正在使用运行 iOS 5.1 的 iPhone 4S 测试该应用程序。有人可以帮我解决这个问题吗：

- (IBAction)playButtonPushed:(id)sender
{
    if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) 
    {
        UIView *videoView = self.videoViewController.view;
        UIImagePickerController *imagePickerController = [[UIImagePickerController alloc] >init];
        imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera;
        imagePickerController.mediaTypes = [[NSArray alloc] initWithObjects: (NSString >*)kUTTypeMovie, nil];
        imagePickerController.showsCameraControls = NO;
        imagePickerController.toolbarHidden = NO;
        imagePickerController.wantsFullScreenLayout = YES;
        imagePickerController.allowsEditing = YES;
        imagePickerController.videoQuality = UIImagePickerControllerQualityTypeMedium;
        imagePickerController.videoMaximumDuration = 30;
        [imagePickerController startVideoCapture];
        imagePickerController.cameraViewTransform = > CGAffineTransformScale(self.imagePickerViewController.cameraViewTransform, CAMERA_TRANSFORM,  CAMERA_TRANSFORM);
        imagePickerController.delegate = self;

        [self.imagePickerViewController setCameraOverlayView:videoView];
        NSLog(@"%s videoCapture: %d", __PRETTY_FUNCTION__, [imagePickerController > startVideoCapture] …