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我正在使用一个简单的UISplitViewController. UIImagePickerController在我的主要视图（主视图）中，当用户完成拍照或点击取消时，我可以选择从相机拍照，我从控制台收到内存警告。有谁知道为什么会这样？

这是我展示控制器的方式：

if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])
{
   cameraService = [[UIImagePickerController alloc] init];     
   cameraService.delegate    = self;
   cameraService.sourceType  = UIImagePickerControllerSourceTypeCamera;

   [self presentViewController:cameraService animated:YES completion:NULL];
}

这是我关闭图像选择器视图的方式：

-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
    UIImage * image
        = (UIImage *)[info valueForKeyPath:UIImagePickerControllerOriginalImage]];

    [picker dismissViewControllerAnimated:YES completion:nil];
}

谢谢！

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