GPS Code not working in iPhone os 3.1

Question

Hello,

I am Using the following code to get the user current location in iPhone o 3.1 but the application get crash.Did the code change in 3.1?

CLLocationManager  *locmanager =[[CLLocationManager alloc] init];
        [locmanager  setDelegate:self]; 
        [locmanager setDesiredAccuracy:kCLLocationAccuracyBest];    
        [locmanager startUpdatingLocation];

Answer 1

is self comforming to CLLocationManagerDelegate ?