Loading another fragment in Navigation Drawer Activity Dynamically.

MainActivity.java

  Fragment fragment = null;
        Class fragmentClass = null;
        fragmentClass = NoticeFragment.class;
        try {
            fragment = (Fragment) fragmentClass.newInstance();
        } catch (Exception e) {
            e.printStackTrace();
        }

        FragmentManager fragmentManager = getSupportFragmentManager();
        fragmentManager.beginTransaction().replace(R.id.flContent, fragment).commit();