iOS UIAlertView popup

UIAlertViewPopupExample.m

UIAlertView *alert = [[[UIAlertView alloc] initWithTitle:@"Some Title Here"
                                                 message:@"And some description message here"
                                                delegate:nil
                                       cancelButtonTitle:@"Ok" 
                                       otherButtonTitles: nil] autorelease];
[alert show];