How to display a message/popup

1. Write the following code in the ViewController.m file:
   
   
       UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Title Here" message:@"This is the message" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
       [alert show];
2. Run the code, it should display like: