code: protected void getNextPage() {
  		    	    	
          final JSONObject params = new JSONObject();
          
          page++;
          
          params.put("page", page);
          params.put("size", size);
          
          clear();
          
          getPage(params);
                  
  	}
docs: This method updates the page value, creates the params for the API call and clears the current list