public void buildActionBarNav() {
    if ((((MainTimeLineActivity) getActivity()).getMenuFragment()).getCurrentIndex()
        != LeftMenuFragment.HOME_INDEX) {
      return;
    }
    ((MainTimeLineActivity) getActivity()).setCurrentFragment(this);

    getActivity().getActionBar().setDisplayShowTitleEnabled(false);
    getActivity().getActionBar().setDisplayHomeAsUpEnabled(Utility.isDevicePort());
    getActivity().getActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
    List<GroupBean> list = new ArrayList<GroupBean>();
    if (GlobalContext.getInstance().getGroup() != null) {
      list = GlobalContext.getInstance().getGroup().getLists();
    } else {
      list = new ArrayList<GroupBean>();
    }

    navAdapter = new FriendsTimeLineListNavAdapter(getActivity(), buildListNavData(list));
    final List<GroupBean> finalList = list;
    getActivity()
        .getActionBar()
        .setListNavigationCallbacks(
            navAdapter,
            new ActionBar.OnNavigationListener() {
              @Override
              public boolean onNavigationItemSelected(int which, long itemId) {

                if (!Utility.isTaskStopped(dbTask)) {
                  return true;
                }

                String groupId = getGroupIdFromIndex(which, finalList);

                if (!groupId.equals(currentGroupId)) {

                  switchFriendsGroup(groupId);
                }
                return true;
              }
            });
    currentGroupId =
        FriendsTimeLineDBTask.getRecentGroupId(GlobalContext.getInstance().getCurrentAccountId());

    if (Utility.isDevicePort()) {
      ((MainTimeLineActivity) getActivity()).setTitle("");
      getActivity().getActionBar().setIcon(R.drawable.ic_menu_home);
    } else {
      ((MainTimeLineActivity) getActivity()).setTitle("");
      getActivity().getActionBar().setIcon(R.drawable.ic_launcher);
    }

    if (getActivity().getActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST
        && isVisible()) {
      getActivity().getActionBar().setSelectedNavigationItem(getRecentNavIndex());
    }
  }
  private void animateClose(ObjectAnimator backgroundAnimator) {

    AnimationRect rect = getArguments().getParcelable("rect");

    if (rect == null) {
      photoView.animate().alpha(0);
      backgroundAnimator.start();
      return;
    }

    final Rect startBounds = rect.scaledBitmapRect;
    final Rect finalBounds = AnimationUtility.getBitmapRectFromImageView(photoView);

    if (finalBounds == null) {
      photoView.animate().alpha(0);
      backgroundAnimator.start();
      return;
    }

    if (Utility.isDevicePort() != rect.isScreenPortrait) {
      photoView.animate().alpha(0);
      backgroundAnimator.start();
      return;
    }

    float startScale;
    if ((float) finalBounds.width() / finalBounds.height()
        > (float) startBounds.width() / startBounds.height()) {
      startScale = (float) startBounds.height() / finalBounds.height();

    } else {
      startScale = (float) startBounds.width() / finalBounds.width();
    }

    final float startScaleFinal = startScale;

    int deltaTop = startBounds.top - finalBounds.top;
    int deltaLeft = startBounds.left - finalBounds.left;

    photoView.setPivotY((photoView.getHeight() - finalBounds.height()) / 2);
    photoView.setPivotX((photoView.getWidth() - finalBounds.width()) / 2);

    photoView
        .animate()
        .translationX(deltaLeft)
        .translationY(deltaTop)
        .scaleY(startScaleFinal)
        .scaleX(startScaleFinal)
        .setDuration(ANIMATION_DURATION)
        .setInterpolator(new AccelerateDecelerateInterpolator())
        .withEndAction(
            new Runnable() {
              @Override
              public void run() {

                photoView
                    .animate()
                    .alpha(0.0f)
                    .setDuration(200)
                    .withEndAction(
                        new Runnable() {
                          @Override
                          public void run() {}
                        });
              }
            });

    AnimatorSet animationSet = new AnimatorSet();
    animationSet.setDuration(ANIMATION_DURATION);
    animationSet.setInterpolator(new AccelerateDecelerateInterpolator());

    animationSet.playTogether(backgroundAnimator);

    animationSet.playTogether(
        ObjectAnimator.ofFloat(
            photoView, "clipBottom", 0, AnimationRect.getClipBottom(rect, finalBounds)));
    animationSet.playTogether(
        ObjectAnimator.ofFloat(
            photoView, "clipRight", 0, AnimationRect.getClipRight(rect, finalBounds)));
    animationSet.playTogether(
        ObjectAnimator.ofFloat(
            photoView, "clipTop", 0, AnimationRect.getClipTop(rect, finalBounds)));
    animationSet.playTogether(
        ObjectAnimator.ofFloat(
            photoView, "clipLeft", 0, AnimationRect.getClipLeft(rect, finalBounds)));

    animationSet.start();
  }