Example usage for android.widget HeaderViewListAdapter getHeadersCount

Introduction

In this page you can find the example usage for android.widget HeaderViewListAdapter getHeadersCount.

Prototype

public int getHeadersCount() 

Source Link

Usage

From source file:com.poloure.simplerss.Utilities.java

static void setTitlesAndDrawerAndPage(Fragment fragment, int absolutePos) {
    String[] navTitles = s_resources.getStringArray(R.array.navigation_titles);

    if (null != fragment) {
        switchToFragment(fragment, false);
    }//from   w  ww .j  av  a 2s .c  o m

    ListView list = s_fragmentDrawer.m_listView;
    HeaderViewListAdapter headerAdapter = (HeaderViewListAdapter) list.getAdapter();
    int headers = headerAdapter.getHeadersCount();

    int listPosition = -10 == absolutePos ? s_viewPager.getCurrentItem() + headers : absolutePos;
    int viewPagerPos = -10 == absolutePos ? s_viewPager.getCurrentItem() : absolutePos - headers;

    // Check the drawer item.
    String title = PagerAdapterTags.s_tagList.get(0);
    String subTitle = null;
    int imageRes = R.drawable.ic_action_labels;

    if (s_fragmentFavourites.isVisible()) {
        listPosition = 0;
        title = navTitles[0];
        imageRes = R.drawable.ic_action_important;
    } else if (s_fragmentManage.isVisible()) {
        listPosition = 1;
        title = navTitles[1];
        imageRes = R.drawable.ic_action_storage;
    } else if (s_fragmentSettings.isVisible()) {
        listPosition = 2;
        title = navTitles[2];
        imageRes = R.drawable.ic_action_settings;
    } else {
        ArrayAdapter<String[]> adapter = (ArrayAdapter<String[]>) headerAdapter.getWrappedAdapter();

        if (null != adapter && 0 < adapter.getCount()) {
            String[] item = adapter.getItem(viewPagerPos);
            title = item[0];
            int count = null == item[1] || item[1].isEmpty() ? 0 : Integer.parseInt(item[1]);
            String countString = s_resources.getQuantityString(R.plurals.actionbar_subtitle_unread, count,
                    count);
            subTitle = 0 == count ? null : countString;
        }
    }
    s_actionBar.setTitle(title);
    s_actionBar.setSubtitle(subTitle);
    s_actionBar.setIcon(imageRes);

    list.setItemChecked(listPosition, true);

    // If we must change the view pager page.
    if (0 <= viewPagerPos) {
        // Switch the view pager page if different.
        if (s_viewPager.getCurrentItem() != viewPagerPos) {
            s_viewPager.setCurrentItem(viewPagerPos);
        }
    }
}

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From source file:android.support.v7.view.menu.CascadingMenuPopup.java

/**
 * Attempts to find the view for the menu item that owns the specified
 * submenu./*from   w ww.j  a  va2 s.com*/
 *
 * @param parentInfo info for the parent menu
 * @param submenu the submenu whose parent view should be obtained
 * @return the parent view, or {@code null} if one could not be found
 */
@Nullable
private View findParentViewForSubmenu(@NonNull CascadingMenuInfo parentInfo, @NonNull MenuBuilder submenu) {
    final MenuItem owner = findMenuItemForSubmenu(parentInfo.menu, submenu);
    if (owner == null) {
        // Couldn't find the submenu owner.
        return null;
    }

    // The adapter may be wrapped. Adjust the index if necessary.
    final int headersCount;
    final MenuAdapter menuAdapter;
    final ListView listView = parentInfo.getListView();
    final ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter instanceof HeaderViewListAdapter) {
        final HeaderViewListAdapter headerAdapter = (HeaderViewListAdapter) listAdapter;
        headersCount = headerAdapter.getHeadersCount();
        menuAdapter = (MenuAdapter) headerAdapter.getWrappedAdapter();
    } else {
        headersCount = 0;
        menuAdapter = (MenuAdapter) listAdapter;
    }

    // Find the index within the menu adapter's data set of the menu item.
    int ownerPosition = AbsListView.INVALID_POSITION;
    for (int i = 0, count = menuAdapter.getCount(); i < count; i++) {
        if (owner == menuAdapter.getItem(i)) {
            ownerPosition = i;
            break;
        }
    }
    if (ownerPosition == AbsListView.INVALID_POSITION) {
        // Couldn't find the owner within the menu adapter.
        return null;
    }

    // Adjust the index for the adapter used to display views.
    ownerPosition += headersCount;

    // Adjust the index for the visible views.
    final int ownerViewPosition = ownerPosition - listView.getFirstVisiblePosition();
    if (ownerViewPosition < 0 || ownerViewPosition >= listView.getChildCount()) {
        // Not visible on screen.
        return null;
    }

    return listView.getChildAt(ownerViewPosition);
}

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