title: I am getting StackOverflowError while using addonTextChangeListener
body: <p>I have two EditText editText1 and editText2
  Should happen : when user write into editText1 at a time the value entered into editText1 should multiply by 6 and editText2 have that result and vice a versa. 
  Happening : When i write into editText1 or editText2 its getting crashed (stackOverFlowError).
  For above scenariyo i am using addTextChangeListener.</p>