A hax used to pre-load the keyboard

keyhax

/*
* Lag free keyboard init - Used in appdelegate 
*/ 
  UITextField *lagFreeField = [[UITextField alloc] init];
  [self.window addSubview:lagFreeField];
  [lagFreeField becomeFirstResponder];
  [lagFreeField resignFirstResponder];
  [lagFreeField removeFromSuperview];