Examples with ListAdapter android.widget.ListAdapter used on opensource projects

Example 41 with ListAdapter

use of android.widget.ListAdapter in project WordPress-Android by wordpress-mobile.

the class HeaderGridView method removeHeaderView.

/**
     * Removes a previously-added header view.
     *
     * @param v The view to remove
     * @return true if the view was removed, false if the view was not a header
     *         view
     */
public boolean removeHeaderView(View v) {
    if (mHeaderViewInfos.size() > 0) {
        boolean result = false;
        ListAdapter adapter = getAdapter();
        if (adapter != null && ((HeaderViewGridAdapter) adapter).removeHeader(v)) {
            result = true;
        }
        removeFixedViewInfo(v, mHeaderViewInfos);
        return result;
    }
    return false;
}

Example 42 with ListAdapter

use of android.widget.ListAdapter in project WordPress-Android by wordpress-mobile.

the class HeaderGridView method addHeaderView.

/**
     * Add a fixed view to appear at the top of the grid. If addHeaderView is
     * called more than once, the views will appear in the order they were
     * added. Views added using this call can take focus if they want.
     * <p>
     * NOTE: Call this before calling setAdapter. This is so HeaderGridView can wrap
     * the supplied cursor with one that will also account for header views.
     *
     * @param v The view to add.
     * @param data Data to associate with this view
     * @param isSelectable whether the item is selectable
     */
public void addHeaderView(View v, Object data, boolean isSelectable) {
    ListAdapter adapter = getAdapter();
    if (adapter != null && !(adapter instanceof HeaderViewGridAdapter)) {
        throw new IllegalStateException("Cannot add header view to grid -- setAdapter has already been called.");
    }
    FixedViewInfo info = new FixedViewInfo();
    FrameLayout fl = new FullWidthFixedViewLayout(getContext());
    fl.addView(v);
    info.view = v;
    info.viewContainer = fl;
    info.data = data;
    info.isSelectable = isSelectable;
    mHeaderViewInfos.add(info);
    // we need to notify the observer
    if (adapter != null) {
        ((HeaderViewGridAdapter) adapter).notifyDataSetChanged();
    }
}

Example 43 with ListAdapter

use of android.widget.ListAdapter in project platform_frameworks_base by android.

the class CascadingMenuPopup method findParentViewForSubmenu.

/**
     * Attempts to find the view for the menu item that owns the specified
     * submenu.
     *
     * @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);
}

Example 44 with ListAdapter

use of android.widget.ListAdapter in project JamsMusicPlayer by psaravan.

the class DragSortListView method getChildHeight.

private int getChildHeight(int position) {
    if (position == mSrcPos) {
        return 0;
    }
    View v = getChildAt(position - getFirstVisiblePosition());
    if (v != null) {
        // hence the "true"
        return getChildHeight(position, v, false);
    } else {
        // item is offscreen
        // first check cache for child height at this position
        int childHeight = mChildHeightCache.get(position);
        if (childHeight != -1) {
            // Log.d("mobeta", "found child height in cache!");
            return childHeight;
        }
        final ListAdapter adapter = getAdapter();
        int type = adapter.getItemViewType(position);
        // There might be a better place for checking for the following
        final int typeCount = adapter.getViewTypeCount();
        if (typeCount != mSampleViewTypes.length) {
            mSampleViewTypes = new View[typeCount];
        }
        if (type >= 0) {
            if (mSampleViewTypes[type] == null) {
                v = adapter.getView(position, null, this);
                mSampleViewTypes[type] = v;
            } else {
                v = adapter.getView(position, mSampleViewTypes[type], this);
            }
        } else {
            // type is HEADER_OR_FOOTER or IGNORE
            v = adapter.getView(position, null, this);
        }
        // current child height is invalid, hence "true" below
        childHeight = getChildHeight(position, v, true);
        // cache it because this could have been expensive
        mChildHeightCache.add(position, childHeight);
        return childHeight;
    }
}

Example 45 with ListAdapter

use of android.widget.ListAdapter in project JamsMusicPlayer by psaravan.

the class InnerNavigationDrawerFragment method setListViewHeightBasedOnChildren.

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null) {
        // pre-condition
        return;
    }
    int totalHeight = 0;
    for (int i = 0; i < listAdapter.getCount(); i++) {
        View listItem = listAdapter.getView(i, null, listView);
        listItem.measure(0, 0);
        totalHeight += listItem.getMeasuredHeight();
    }
    ViewGroup.LayoutParams params = listView.getLayoutParams();
    params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
    listView.setLayoutParams(params);
    listView.requestLayout();
}