UIDocumentInteractionController Example

- (void)onOpenWith:(UIButton *)theButton path:(NSString *)path
{  
    NSURL *URL = [NSURL fileURLWithPath:path];
  
    if (URL) {
        self.documentInteractionController = [UIDocumentInteractionController interactionControllerWithURL:URL];
      
        self.documentInteractionController.delegate = self;
      
        //self.documentInteractionController.name = @"Title";
        //self.documentInteractionController.UTI = @"com.adobe.pdf"; @"net.whatsapp.image";
      
        //Preview PDF
        //[self.documentInteractionController presentPreviewAnimated:YES];
              
        //Open In iBooks     
       //presentOpenInMenuFromRect
       //presentOptionsMenuFromRect
        [self.documentInteractionController presentOpenInMenuFromRect:CGRectZero
                                              inView:aView
                                            animated:YES];
    }
}


#pragma mark - UIDocumentInteractionControllerDelegate

- (UIViewController *)documentInteractionControllerViewControllerForPreview:(UIDocumentInteractionController *)controller
{
    return self;
}

- (UIView *)documentInteractionControllerViewForPreview:(UIDocumentInteractionController *)controller
{
    return self.view;
}

- (CGRect)documentInteractionControllerRectForPreview:(UIDocumentInteractionController *)controller
{
    return self.view.frame;
}