UIAlertControllerDemo.m

UIAlertController* alert=[UIAlertController alertControllerWithTitle:@"Title" message:@"Message" preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction* yesButton = [UIAlertAction actionWithTitle:@"Yes" style:UIAlertActionStyleDefault handler:^(UIAlertAction * action) {
    NSLog(@"You pressed Yes, please button");

    // call method whatever u need
}];

UIAlertAction* noButton = [UIAlertAction actionWithTitle:@"No"
                                                    style:UIAlertActionStyleDefault
                                                  handler:^(UIAlertAction * action)
{
    NSLog(@"you pressed No button");
    // call method whatever u need
}];

[alert addAction:yesButton];
[alert addAction:noButton];

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