iphone – 错误CGImageCreate：无效图像大小：0 x 0,带有(拾取器)窗口旋转

当我旋转iPad时,我得到了错误.

我不认为有可能产生错误的图像…为什么？

我用来加载选择器的代码：

- (void) pickerViewControllerDidFinish:(PickerViewController *)controller {
    if (UI_user_iNTERFACE_I@L_368_5@m()== UIUserInterfaceI@L_368_5@mPad) {
        self.path = controller.path;             
        [self dismissviewControllerAnimated:YES completion:nil];
        FeedRootViewController *controllerF = [[FeedRootViewController alloc] initWithNibName:@"FeedRootViewController" bundle:nil];
        controllerF.path = self.path;
        controllerF.detailViewController = self.detailViewController;
        [self.navigationController pushViewController: controllerF animated:YES];
        [controllerF release];  
        NSString *urlAddress = [[NSBundle mainBundle] pathForresource:@"Feeds" ofType:@"html"];
        NSURL *url = [NSURL fileURLWithPath:urlAddress];
        NSURLrequest *requestObj = [NSURLrequest requestWithURL:url];
        [detailViewController.webView loadrequest:requestObj];
        [detailViewController.webView setScalesPageToFit:YES];
        [path release];
    }
}

但是我不知道问题是否来自这个代码……