retrieving of data from parse.com using android platform

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http://stackoverflow.com – I am trying to retrieve a data that I stored from parse.com using this code: public void onClick(View v) { // TODO Auto-generated method stub String strName = etxt.getText().toString(); final ParseObject txt = new ParseObject("Main"); switch(v.getId()){ case R.id.btn1: txt.put("name", strName); txt.saveInBackground(); break; case R.id.btn2: final ParseQuery query = new ParseQuery("Main"); query.getInBackground("aJxVDOxOEi", new GetCallback() { @Override public void done(ParseObject object, ParseException e) { (HowTos)