How can i detect Phone number and Hyperlink from Pdf file?

I am displaying my pdf file in UIWebView now i want to detect links and Phone number which is available in my pdf and by pres开发者_如何学编程sing link it should open in browser and touching on number it should be called on that particular number so please anybody have idea about it.Give me some suggestion on it.I have written this code for achieving this task but it do not work:

 webView=[[UIWebView alloc] initWithFrame:CGRectMake(0, 20, 764, 1004)];
webView.scalesPageToFit = YES;
[self.view addSubview:webView];
webView.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
NSString *resourceDocPath = [[NSString alloc] initWithString:[[[[NSBundle mainBundle]  resourcePath] stringByDeletingLastPathComponent] stringByAppendingPathComponent:@"Documents"]];

NSString *filePath = [resourceDocPath stringByAppendingPathComponent:@"Gita.pdf"];
NSLog(@"FilePath==>%@",filePath);
//Now create Request for the file that was saved in your documents folder
NSURL *url = [NSURL fileURLWithPath:filePath];
NSLog(@"url==>%@",url);

NSURLRequest *requestObj = [NSURLRequest requestWithURL:url];
[webView setUserInteractionEnabled:YES];
[webView setDelegate:self];
[webView setDataDetectorTypes: UIDataDetectorTypeAll];
[webView loadRequest:requestObj];

check this link:

http://bill.dudney.net/roller/objc/entry/tiledlayer_on_the_iphone and http://bill.dudney.net/roller/objc/entry/catiledlayer_example.

Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints?