Android-如何在导航抽屉中更改片段

按照此链接！了解更多详情和使用

private class DrawerItemClickListener implements ListView.onItemClickListener {        @Override        public void onItemClick(AdapterView<?> parent, View view, int position,     long id) { selectItem(position);        }    }

和

private void selectItem(int position) {    FragmentManager fragmentManager = getSupportFragmentManager();    FragmentTransaction ft = fragmentManager.beginTransaction();    switch (position) {    case 0:        ft.replace(R.id.content_frame, new Fragment1, Constants.TAG_FRAGMENT).commit();        break;    case 1:        ft.replace(R.id.content_frame, new Fragment2, Constants.TAG_FRAGMENT);        ft.commit();        break;    }    mDrawerList.setItemChecked(position, true);    setTitle(title[position]);    // Close drawer    mDrawerLayout.closeDrawer(mDrawerList);}