public class HomeActivity extends BaseBottomNavActivity { //thinned down sample implementation of the BaseBottomNavActivity above

    private ActivityHomeBinding binding;

    public static void start(Activity activity) {
        Intent intent = new Intent(activity.getApplicationContext(), HomeActivity.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
        activity.startActivity(intent);
    }
  
    public static Intent getStartIntent(Context context) { // if required in a service etc
        Intent intent = new Intent(context, HomeActivity.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
        return intent;
    }

    @Override
    protected void initOnCreate(Bundle savedInstanceState) {
        binding = DataBindingUtil.setContentView(this, R.layout.activity_home);
    }

    @Override
    protected void onNavBarReselect() {
        removeProfileFragmentIfAdded(); // sample method call
    }

    private boolean removeProfileFragmentIfAdded() {
        boolean wasAdded = getSupportFragmentManager().popBackStackImmediate();
        if (wasAdded) {
            mIsDataFetched.setValue(true);
            setupActionBar(binding.layoutToolbar, getString(R.string.title_home), false);
            binding.contentSwipeRl.setEnabled(true);
            showToolbarIconFor(null);
            removeViewProfileFragment();
            updateAddStoryFabVisibility(false);
        }
        return wasAdded;
    }

    @Override
    protected int getCurrentBottomNavPosition() {
        return CustomBottomNavigationBar.POSITION_HOME_TAB;
    }

    @Override
    protected CustomBottomNavigationBar getBottomNavigationBar() {
        return binding.bottomNavBar;
    }

    @Override
    public void onBackPressed() {
        boolean wasAdded = removeProfileFragmentIfAdded();
        if (!wasAdded) {
            super.onBackPressed();
        }
    }
}