public void fetchClientList() { // Check if ClientListFragment has a clientList if (clientList.size() > 0) { inflateClientList(); } else { swipeRefreshLayout.setRefreshing(true); // Get a Client List API.clientService.listAllClients( new Callback<Page<Client>>() { @Override public void success(Page<Client> page, Response response) { clientList = page.getPageItems(); inflateClientList(); swipeRefreshLayout.setRefreshing(false); } @Override public void failure(RetrofitError retrofitError) { swipeRefreshLayout.setRefreshing(false); if (getActivity() != null) { try { Log.i("Error", "" + retrofitError.getResponse().getStatus()); if (retrofitError.getResponse().getStatus() == HttpStatus.SC_UNAUTHORIZED) { Toast.makeText( getActivity(), "Authorization Expired - Please Login Again", Toast.LENGTH_SHORT) .show(); startActivity(new Intent(getActivity(), LogoutActivity.class)); getActivity().finish(); } else { Toast.makeText( getActivity(), "There was some error fetching list.", Toast.LENGTH_SHORT) .show(); } } catch (NullPointerException npe) { Toast.makeText( getActivity(), "There is some problem with your internet connection.", Toast.LENGTH_SHORT) .show(); } } } }); } }