Error on Android Handler update interface - 


handler handler = new handler() {     public void handlemessage(message msg) {         super.handlemessage(msg);         returnshow.settext(smsg);//returnshow edittext         returnshow.setselection(returnshow.length());     } };  class readthread extends thread {     public void run() {         smsg = "...";         handler.sendmessage(handler.obtainmessage());     } }

everytime run, settext line have error, can't figure out why?

thanks help.

enter image description here

make sure returnshow initialized before setting it..

something like..

returnshow = (edittext)findviewbyid(r.id.edittext);

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