LoaderManager

    private void initializeSortManager(final List<Call> callList, final IRequestView iRequestView) {
        LoaderManager.LoaderCallbacks<ArrayList<BarEntry>> arrayListLoaderCallbacks = new LoaderManager.LoaderCallbacks<ArrayList<BarEntry>>() {
            @Override
            public Loader<ArrayList<BarEntry>> onCreateLoader(int id, Bundle args) {
                if (iRequestView instanceof CallsPresenter.ICallsView) {
                    Timber.d("return new CallsEntryLoader");
                    return new CallsEntryLoader(getActivity(), callList);
                } else if (iRequestView instanceof MessagesPresenter.IMessagesView) {
                    Timber.d("return new MessagesEntryLoader");
                    return new MessagesEntryLoader(getActivity(), callList);
                }
                throw new RuntimeException("Invalid Loader type");
            }

            @Override
            public void onLoadFinished(Loader<ArrayList<BarEntry>> loader, ArrayList<BarEntry> callEntries) {
                if (iRequestView instanceof CallsPresenter.ICallsView) {
                    Timber.d("setCallsChartData Calls");
                    setCallsChartData(callEntries);
                } else if (iRequestView instanceof MessagesPresenter.IMessagesView) {
                    Timber.d("setCallsChartData Messages");
                    setMessagesChartData(callEntries);
                }
            }

            @Override
            public void onLoaderReset(Loader<ArrayList<BarEntry>> loader) {

            }
        };
        if (isVisible() && iRequestView instanceof CallsPresenter.ICallsView) {
            getLoaderManager().initLoader(0, null, arrayListLoaderCallbacks).forceLoad();
        } else if (isVisible() && iRequestView instanceof MessagesPresenter.IMessagesView) {
            getLoaderManager().initLoader(1, null, arrayListLoaderCallbacks).forceLoad();
        }
    }