@SuppressLint("NewApi")
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_navigation_drawer);

    mTitle = mDrawerTitle = getTitle();
    mCityNames = getResources().getStringArray(R.array.drawer_items);
    TypedArray typedArray = getResources().obtainTypedArray(R.array.city_images);
    mCityImages = new int[typedArray.length()];
    for (int i = 0; i < typedArray.length(); ++i) {
      mCityImages[i] = typedArray.getResourceId(i, 0);
    }
    typedArray.recycle();
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    mDrawerList = (ListView) findViewById(R.id.left_drawer);

    // set a custom shadow that overlays the main content when the drawer opens
    mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
    // set up the drawer's list view with items and click listener
    mDrawerList.setAdapter(new ArrayAdapter<String>(this, R.layout.drawer_list_item, mCityNames));
    mDrawerList.setOnItemClickListener(this);

    // enable ActionBar app icon to behave as action to toggle nav drawer
    getActionBar().setDisplayHomeAsUpEnabled(true);
    getActionBar().setHomeButtonEnabled(true);

    // ActionBarDrawerToggle ties together the the proper interactions
    // between the sliding drawer and the action bar app icon
    mDrawerToggle =
        new ActionBarDrawerToggle(
            this, /* host Activity */
            mDrawerLayout, /* DrawerLayout object */
            R.drawable.ic_drawer, /* nav drawer image to replace 'Up' caret */
            R.string.drawer_open, /* "open drawer" description for accessibility */
            R.string.drawer_close /* "close drawer" description for accessibility */) {
          public void onDrawerClosed(View view) {
            getActionBar().setTitle(mTitle);
          }

          public void onDrawerOpened(View drawerView) {
            getActionBar().setTitle(mDrawerTitle);
          }
        };

    mDrawerLayout.setDrawerListener(mDrawerToggle);

    if (savedInstanceState == null) {
      selectItem(0);
    }
    // 初始化带返回按钮的标题栏
    ActionBarManager.initBackTitle(this, getActionBar(), this.getClass().getSimpleName());
  }
 @Override
 public void doBusiness(Context mContext) {
   // 初始化带返回按钮的标题栏
   String strCenterTitle = getResources().getString(R.string.FileDownloadUploadActivity);
   ActionBarManager.initBackTitle(getContext(), getActionBar(), strCenterTitle);
 }