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Editorial Team
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Asked: 2026-05-28T03:06:47+00:00

I already read this question QLPreviewController remove or add UIBarButtonItems but it’s not what

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I already read this question QLPreviewController remove or add UIBarButtonItems but it’s not what I’m looking for. I would like to keep the “Print” button in the navigation Bar but also add a new “Delete Document” button in the navigation bar.

I tried this:

QLPreviewController *previewer = [[[QLPreviewController alloc] init] autorelease];
[previewer setDataSource:self];

UIBarButtonItem *saveButton = [[UIBarButtonItem alloc]initWithTitle:@"Salva Documento" style:UIBarButtonItemStyleBordered target:self action:@selector(saveFileToDocuments)];
NSArray *buttons = [NSArray arrayWithObjects:[[previewer navigationItem]rightBarButtonItem],saveButton, nil];
[[previewer navigationItem]setRightBarButtonItems:buttons];

But it didn’t work.

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1 Answer

  1. Editorial Team

    Because you said “4.x will be fine”, there’s your problem.

    The documentation for UINavigationItem [setRightBarButtonItems: animated:] (documentatin linked there for you) say that this function only works on iOS 5.0 and newer.

    It will not work on iOS 4.0.

    Also, you should add an animated: parameter to that setRightBarButtonItems: call.

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