gistfile1.java

 private void readDataFromDb() {
        if (locationModels.size() > 0)
            locationModels.clear();
        RealmResults<LocationModel> result = realm
                .where(LocationModel.class)
                .findAll();
        // sortiny by id.
        // show greater first
        result.sort("id", RealmResults.SORT_ORDER_DESCENDING);
        for (LocationModel data : result) {
            Log.d("tag", "datanya " + data.getId());
            locationModels.add(data);
        }
        // notify adapter
        adapterRoute.notifyDataSetChanged();

        // update view
        updateView();
    }