iOS Viewing a PDF file

Hi,

I want to view a PDF file that was added to the list of my app's resources.
I tried the following, but it did not work.

NSURL *url = [NSURL URLWithString"file:Users Guide.pdf"];
[[UIApplication sharedApplication] openURL:url];

Anyways suggestions?

Example of NSBundle

robbieduncan said:

Your URL isn't correct. You will need to use NSBundle to get a full path to the resource and, quite possibly, escape characters that are illegal in URLs like spaces.

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I've never used NSBundle. Could you provide an example of using it to get the path of a resource file? Thank you very much.