InjectionCode.x

%hook HomeViewController
-(void)viewDidLoad{
  %orig;
  UIAlertController* alert = [UIAlertController alertControllerWithTitle:@"My Alert"
                                 message:@"This is an injected alert."
                                 preferredStyle:UIAlertControllerStyleAlert];

  [self presentViewController:alert animated:YES completion:nil];
}
%end