Hack custom font in drawer menu with calligraphy

DrawerMenuCustomFontHack.java

public class MainActivity extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);

        final NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);

        drawer.addDrawerListener(new DrawerLayout.DrawerListener() {
            @Override
            public void onDrawerSlide(View drawerView, float slideOffset) { }

            @Override
            public void onDrawerOpened(View drawerView) { }

            @Override
            public void onDrawerClosed(View drawerView) { }

            @Override
            public void onDrawerStateChanged(int newState) {
                overrideMenuFontsFonts(navigationView);
            }
        });
    }

    public void overrideMenuFontsFonts(View v)
    {
        try
        {
            if (v instanceof ViewGroup)
            {
                ViewGroup vg = (ViewGroup)v;
                for (int i = 0; i < vg.getChildCount(); i++)
                {
                    overrideMenuFontsFonts(vg.getChildAt(i));
                }
            }
            else if (v instanceof TextView)
            {
                CalligraphyUtils.applyFontToTextView(this, (TextView) v, "fonts/arialbold.ttf");
            }
        }
        catch (Exception e)
        {
            //Log it, but ins't supposed to be here.
        }
    }    

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        return super.onOptionsItemSelected(item);
    }

    @SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {    
        return true;
    }
}