MainActivity.java 文件源码

@Override
public boolean onPrepareOptionsMenu(Menu menu) {
    /*
      app share and rate group
      hide on AurPackageDetailsFragment
     */
    MenuItem menuItem = menu.findItem(R.id.menu_main_app_group);
    Fragment fragmentByTag = fragmentManager.findFragmentByTag(AUR_PACKAGE_DETAILS_FRAGMENT_TAG);
    menuItem.setVisible(fragmentByTag == null);
    // night mode
    switch (AppCompatDelegate.getDefaultNightMode()) {
        case AppCompatDelegate.MODE_NIGHT_AUTO:
            menu.findItem(R.id.menu_main_action_night_mode_auto).setChecked(true);
            break;
        case AppCompatDelegate.MODE_NIGHT_YES:
            menu.findItem(R.id.menu_main_action_night_mode_night).setChecked(true);
            break;
        case AppCompatDelegate.MODE_NIGHT_NO:
            menu.findItem(R.id.menu_main_action_night_mode_day).setChecked(true);
            break;
    }
    return true;
}