@Override
 public void onConfigurationChanged(Configuration newConfig) {
   super.onConfigurationChanged(newConfig);
   if (ActionBarUtil.hasSB()) {
     if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
       setInfoBottomMargin(0);
     } else if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) {
       setInfoBottomMargin(
           getResources().getDimensionPixelSize(R.dimen.abc_action_bar_default_height));
     }
   }
 }
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    ActionBarUtil.compatibleDeviceWithSB(this);
    requestWindowFeature(WindowCompat.FEATURE_ACTION_BAR_OVERLAY);
    super.onCreate(savedInstanceState);
    ActionBarUtil.setXiaomiFilterDisplayOptions(getSupportActionBar(), false);
    getSupportActionBar().setBackgroundDrawable(getResources().getDrawable(R.drawable.ab_bg_trans));
    Bundle extras = getIntent().getExtras();
    title = extras.getString("title");
    getSupportActionBar().setTitle(title);
    aid = extras.getInt("aid");
    mList = extras.getStringArrayList(EXTRA_IMAGES);
    int index = extras.getInt(EXTRA_INDEX, 0);
    MobclickAgent.onEvent(this, "view_big_pic");
    setContentView(R.layout.activity_images);

    indexText = (TextView) findViewById(R.id.index);
    if (ActionBarUtil.hasSB()
        && getResources().getConfiguration().orientation != Configuration.ORIENTATION_LANDSCAPE) {
      setInfoBottomMargin(
          getResources().getDimensionPixelSize(R.dimen.abc_action_bar_default_height));
    }
    pager = (MyViewPager) findViewById(R.id.pager);
    pager.setAdapter(new ImageAdapter(getSupportFragmentManager(), mList));
    pager.setOffscreenPageLimit(1);
    pager.setOnPageChangeListener(this);
    pager.setCurrentItem(index);
    onPageSelected(index);
  }