Cllocation manager with browser app

[lionkingden]

I am a complete newbi to objective c and iphone sdk and learning some great stuff with new obstacles

ok my problem is i am trying to create a browser app which shows the current location as its html content but i am not getting the location

I was able to get the browser app working from this simple and great tutorial

now i am modifying the code so the html code displays the latitude and longitude

my app is showing 0.0000 for both latitude and longitude i dont know why i am not getting any current location

myGPSBrowser.m

#import "myGPSBrowserAppDelegate.h"


@implementation myGPSBrowserAppDelegate

@synthesize window;



- (void)applicationDidFinishLaunching:(UIApplication *)application {   
	
		//  initializing the location manager
	
	
	CLLocationManager *locationManager = [[CLLocationManager alloc] init];
	
    locationManager.delegate = self;
   // locationManager.distanceFilter = 1000;  // 1 kilometer
    locationManager.desiredAccuracy = kCLLocationAccuracyBest;
    [locationManager startUpdatingLocation];
	
	
	
	NSDate* eventDate = locationManager.location.timestamp;
	NSTimeInterval howRecent;
	
	// if the location as nt got in last 5 sec then keep trying to get the location
	do{
		
		 howRecent = [eventDate timeIntervalSinceNow];
		
	}
	while(abs(howRecent) > 5.0);
	
	//stop the location manager
	
	[locationManager stopUpdatingLocation];
	
	//get the latitude and longitude

	float mylat= locationManager.location.coordinate.latitude+0.0;
	float mylon= locationManager.location.coordinate.latitude+0.0;
	
	
	
	//create the html for the browser
	
	NSString *HTMLData = [NSString stringWithFormat: @"latitude - %f longitude - %f  at   %f",mylat, mylon, howRecent];

	
	[webView loadHTMLString:HTMLData baseURL:nil];
	
	
	
    // Override point for customization after application launch
    [window makeKeyAndVisible];
}


- (void)dealloc {
	
    [window release];
    [super dealloc];
}


@end

and here is my myGPSBrowser.h

#import <UIKit/UIKit.h>


@interface myGPSBrowserAppDelegate : NSObject <UIApplicationDelegate, CLLocationManagerDelegate>{
    UIWindow *window;
	
	

	IBOutlet UIWebView *webView;
	
}
@property (nonatomic, retain) IBOutlet UIWindow *window;

//@property(assign, nonatomic) id<CLLocationManagerDelegate> delegate

@end





/*@interface MyLocationGetter : UIViewController<CLLocationManagerDelegate>
{

//	NSString *str;

}
//@property (nonatomic, retain) NSString *str;
//@property   (nonatomic, retain) NSString *locationManager;


@end */

it looks very simple and should work i dont know why it is not working