import com.mikepenz.materialdrawer.model.SwitchDrawerItem; //导入依赖的package包/类
private void setUpSwitches() {
    darkSwitch = new SwitchDrawerItem()
            .withName(R.string.dark_col)
            .withLevel(2).withIdentifier(ID_DARK_THEME)
            .withOnCheckedChangeListener(this)
            .withChecked(mDarkTheme)
            .withSelectable(false);

    doneSwitch = new SwitchDrawerItem()
            .withName(R.string.show_done_msg)
            .withLevel(2).withIdentifier(ID_TOGGLE_DONE)
            .withOnCheckedChangeListener(this)
            .withSelectable(false);

    if (mTinyDB.getBoolean(getString(R.string.show_done_pref)))
        doneSwitch.withChecked(true);
    else
        toggleDoneTab();

    bigTextSwitch = new SwitchDrawerItem()
            .withName(R.string.big_text_msg)
            .withLevel(2).withIdentifier(ID_TOGGLE_BIG_TEXT)
            .withOnCheckedChangeListener(this)
            .withSelectable(false);

    if (mTinyDB.getBoolean(getString(R.string.big_text_pref), false)) {
        bigTextSwitch.withChecked(true);
        HorizontalAdapter.setBigText(true);
    }

}
 

import com.mikepenz.materialdrawer.model.SwitchDrawerItem; //导入依赖的package包/类
/**
 *
 * @param savedInstanceState
 */
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
     setContentView(R.layout.activity_main);

    // Preferences
    mSharedPreferences = new ClientSharedPreferences(this);

    // Bluetooth OBD2 Device
    mDevice = new OBD2Device(mSharedPreferences);

    // Action bar
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    //ClientSharedPreferences prefs = new ClientSharedPreferences(getApplicationContext());

    // Navigation Drawer
    mDrawer = new DrawerBuilder(this)
            .withActivity(this)
            .withToolbar(toolbar)
            .withHasStableIds(true)
            .withHeader(R.layout.nav_header)
            .addDrawerItems(
                    new SwitchDrawerItem().withIdentifier(NavigationDrawerItem.Bluetooth.ordinal()).withName(R.string.action_bluetooth).withIcon(GoogleMaterial.Icon.gmd_bluetooth).withChecked(false).withSelectable(false).withOnCheckedChangeListener(mOnCheckedBluetoothDevice),
                    new DividerDrawerItem(),
                    new PrimaryDrawerItem().withIdentifier(NavigationDrawerItem.Car.ordinal()).withName(R.string.action_car_information).withIcon(FontAwesome.Icon.faw_car),
                    new PrimaryDrawerItem().withIdentifier(NavigationDrawerItem.Dashboard.ordinal()).withName(R.string.action_dashboard).withIcon(FontAwesome.Icon.faw_dashboard).withEnabled(false),
                    new PrimaryDrawerItem().withIdentifier(NavigationDrawerItem.Battery.ordinal()).withName(R.string.action_battery).withIcon(FontAwesome.Icon.faw_battery_three_quarters),
                    new PrimaryDrawerItem().withIdentifier(NavigationDrawerItem.DtcCodes.ordinal()).withName(R.string.action_dtc).withIcon(FontAwesome.Icon.faw_stethoscope).withEnabled(false),
                    new DividerDrawerItem(),
                    new SecondaryDrawerItem().withIdentifier(NavigationDrawerItem.Settings.ordinal()).withName(R.string.action_settings).withSelectable(false).withIcon(GoogleMaterial.Icon.gmd_settings),
                    new SecondaryDrawerItem().withIdentifier(NavigationDrawerItem.HelpFeedback.ordinal()).withName(R.string.action_help).withIcon(GoogleMaterial.Icon.gmd_help).withEnabled(false)
            )
            .withOnDrawerItemClickListener(this)
            .withSavedInstance(savedInstanceState)
            .withShowDrawerOnFirstLaunch(true)
            .build();

    //only set the active selection or active profile if we do not recreate the activity
    if (savedInstanceState == null) {
        // set the selection to the item with the identifier 2
        mDrawer.setSelection(NavigationDrawerItem.Battery.ordinal(), true);
    }
}