RequestManager

gistfile1.java

public class TestFragment extends AirFragment {
        private static final int REQUEST_MANAGER_ID = 1;
        @Inject RequestManager mRequestManager;

        private RequestListener mListener = new RequestListener() {
            @Override
            public void onErrorResponse(VolleyError error) {

            }

            @Override
            public void onResponse(Object response) {

            }
        };

        @Override
        public void onPause() {
            super.onPause();
            mRequestManager.lockListeners(REQUEST_MANAGER_ID);
            mRequestManager.removeListeners(REQUEST_MANAGER_ID);
        }

        @Override
        public void onResume() {
            super.onResume();

            if (mRequestManager.hasRequest(REQUEST_MANAGER_ID, ListingAvailabilityRequest.class)) {
                mRequestManager.setListener(REQUEST_MANAGER_ID, ListingAvailabilityRequest.class, mListener);
                mRequestManager.unlockListeners(REQUEST_MANAGER_ID);
            } else {
                mRequestManager.execute(REQUEST_MANAGER_ID, new ListingAvailabilityRequest(mListener));
            }

        }

        @Override
        public void onDestroy() {
            super.onDestroy();

            if (getActivity().isFinishing()){
                mRequestManager.clearRequests(REQUEST_MANAGER_ID);
            }
        }
    }