java.lang.NumberFormatException: Invalid int: “” in android

Question

I already know what is causing this error, I just do not know how to handle the case when a user doesn\'t enter anything into the dialogue box, then hit the button which par

Answer 1

   String text = editText.getText().toString(); 
   if(!text.equals("") && text.matches("^\\d+$")){
       cast to int
    }