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#include "PSPDFKit.h"          // when using PSPDFKit-lib.xcodeproj (source code) -- or --
#include <PSPDFKit/PSPDFKit.h> // PSPDFKit.framework (binary)


// create the PSPDFDocument (container for one or multiple pdfs)
NSString *path = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"Sample.pdf"];
PSPDFDocument *document = [PSPDFDocument PDFDocumentWithUrl:[NSURL fileURLWithPath:path]];

// open view controller
PSPDFViewController *pdfController = [[[PSPDFViewController alloc] initWithDocument:document] autorelease];
[self presentModalViewController:pdfController animated:YES];