lib-manipulation/src/main/java/com/nhaarman/listviewanimations/itemmanipulation/expandablelistitem/ExpandableListItemAdapter.java
@Nullable
    public View getContentView(final int position) {
        View contentView = null;

        View parentView = findViewForPosition(position);
        if (parentView != null) {
            Object tag = parentView.getTag();
            if (tag instanceof ViewHolder) {
                contentView = ((ViewHolder) tag).contentView;
            }
        }

        return contentView;
    }
@Nullable
    public View getContentView(final int position) {
        View contentView = null;

        View parentView = findViewForPosition(position);
        if (parentView != null) {
            Object tag = parentView.getTag();
            if (tag instanceof ViewHolder) {
                contentView = ((ViewHolder) tag).contentView;
            }
        }

        return contentView;
    }
Return the content view at the specified position.

@param position Index of the view we want.

@return the view if it exist, null otherwise.