Pppp

public void switchIcon(MenuItem item) {
        layoutManager = recyclerView.getLayoutManager();
        if (gitHubListAdapter.isSwitchView) {
            recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
            gitHubListAdapter.isSwitchView = true;
            item.setIcon(ResourcesCompat.getDrawable(getResources(), R.drawable.ic_span_1, null));

        } else {
            recyclerView.setLayoutManager(new GridLayoutManager(getContext(), 2));
            gitHubListAdapter.isSwitchView = false;
            item.setIcon(ResourcesCompat.getDrawable(getResources(), R.drawable.ic_span_3, null));

        }
        gitHubListAdapter.notifyDataSetChanged();

    }