java - Using Do While loop take input until user get 1 -

i want multiple input until user can't 1. not work properly. in case, can take multiple edit text box, or not? please tell me.

textview tv; edittext et; button b;  @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);      setcontentview(r.layout.evenodd2);      tv= (textview) findviewbyid(r.id.textviewevenodda);     et= (edittext) findviewbyid(r.id.edittextevenodd);     b= (button) findviewbyid(r.id.buttonevenodda);     b.setonclicklistener(new view.onclicklistener() {         @override         public void onclick(view v) {              string a1;             int num;                         {                 a1=et.gettext().tostring();                 num=integer.parseint(a1);                 if (num < 1)                     tv.settext("wrong input");                 if (num > 1 && num % 2 == 0)                 {                     tv.settext("value is: "+num / 2);                 }                 else                 {                     tv.settext("value :"+num);                 }             }             while (num != 1);             tv.settext("thank you");          }     }); }} 

you wouldn't use loop here. you'd processing once every time user presses button. loop getting input how console work, not how gui driven program reacts.