UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Some Title" message:@"Some message" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
[alert show];
[alert release];

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Some Title" message:@"Some message"
										  delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
					[alert show];
					[alert release];

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:"Some Title" message:@"Some message"
										  delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
					[alert show];
					[alert release];

Simple UIAlertView Call

Objective C