How to hide title/message frame in a UIAlertController?

Question

When using a UIAlertController, if I want to present a UIActionSheet with an empty title and an empty message, the frame for the expected placement

Answer 1

UIAlertController *controller=[UIAlertController alertControllerWithTitle:@"" message:@"" preferredStyle:UIAlertControllerStyleAlert];//style check

UIAlertAction *first = [UIAlertAction actionWithTitle: @"Login with Facebook" style: UIAlertActionStyleDefault handler:^(UIAlertAction *action)
{
   //write to perform action

}];


[controller addAction: first];



UIAlertAction *second = [UIAlertAction actionWithTitle: @"Guest User" style: UIAlertActionStyleDefault handler:^(UIAlertAction *action)

{ //write to perform action

}];

[controller addAction:second];


UIAlertAction *third=[UIAlertAction actionWithTitle:@"Registered User" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action)


{
    //write to perform action

}];

[controller addAction:third];

[self presentViewController: controller animated: YES completion: nil];