Работают ли Listener в абстрактной родительской Activity?

package antarit.dietgen.activities;
 
import android.content.Intent;
import android.support.design.widget.NavigationView;
import android.support.design.widget.Snackbar;
import android.support.v4.content.ContextCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
 
import antarit.dietgen.R;
 
public abstract class BaseActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener{
 
    private View activityContent;
    private DrawerLayout drawerLayout;
    private NavigationView navigationView;
 
    @Override
    protected void onCreate (Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.base_activity);
        View rootView = getWindow().getDecorView();
        drawerLayout = (DrawerLayout) rootView.findViewById(R.id.base_drawer_layout);
        navigationView = (NavigationView) drawerLayout.findViewById(R.id.base_navigation_view);
        if (navigationView != null) {
            navigationView.setNavigationItemSelectedListener(this);
        }
    }
 
    @Override
    public View findViewById(int resId){
        return getActivityContent().findViewById(resId);
    }
 
    public void setActivityContent(int resId){
        LayoutInflater inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
        activityContent = inflater.inflate(resId, drawerLayout, false);
        drawerLayout.addView(activityContent);
    }
 
    public View getActivityContent(){
        return this.activityContent;
    }
 
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        switch (item.getItemId()){
            case R.id.nav_diets:
                item.setChecked(true);
                drawerLayout.closeDrawers();
                startActivity(new Intent(this, DietsActivity.class));
                break;
            case R.id.nav_products:
                item.setChecked(true);
                drawerLayout.closeDrawers();
                startActivity(new Intent(this, FoodProductsActivity.class));
                break;
            case R.id.nav_users:
                item.setChecked(true);
                drawerLayout.closeDrawers();
                startActivity(new Intent(this, UsersActivity.class));
                break;
            default:
                drawerLayout.closeDrawers();
                break;
        }
        return true;
    }
 
    public void processException (String exceptionMessage) {
        Snackbar snackbar = Snackbar.make(getActivityContent(), exceptionMessage, Snackbar.LENGTH_LONG);
        View snackBarView = snackbar.getView();
        snackBarView.setBackgroundColor(ContextCompat.getColor(this, R.color.red));
        snackbar.show();
    }
}