UIAlertView title background color change in iPhone & iPad

UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"Title" message:@"This was doing for testing by Jogendra." delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil, nil];

   

  UILabel *textView = (UILabel *)[alert valueForKey:@"_titleLabel"];

    textView.font = [UIFont systemFontOfSize:10];

    textView.backgroundColor = [UIColor redColor];

    [alert show];