mViewHolder.mLike.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                UpdateLikeTask updateLikeTask = new UpdateLikeTask();
                UpdateLikeParams updateLikeParams = new UpdateLikeParams(item.getobjectid());
                updateLikeTask.execute(updateLikeParams);
            }
_______________

private class UpdateLikeTask extends AsyncTask<UpdateLikeParams, Void, String> {

        private String id;

        @Override
        protected String doInBackground(UpdateLikeParams... updateLikeParamses) {

            String value = "null";
            id = updateLikeParamses[0].id;

            ParseQuery<ParseObject> query = ParseQuery.getQuery("FeedPost");
            try {
                ParseObject object = query.get(id);
                if(object != null) {
                    object.increment("like_count");
                    object.save();
                    value = object.getNumber("like_count").toString();
                }
            } catch (ParseException e) {
                e.printStackTrace();
            }
            return value;
        }

        @Override
        protected void onPostExecute(String value) {
            super.onPostExecute(value);
            System.out.println("teste " + value);
            mViewHolder.mCounter.setText(value);

            notifyDataSetChanged();
        }
    }
        });