BookmarksAdapter(ListView listView, List<Bookmark> bookmarks, boolean currentBook) {
   myBookmarks = bookmarks;
   myCurrentBook = currentBook;
   listView.setAdapter(this);
   listView.setOnItemClickListener(this);
   listView.setOnCreateContextMenuListener(this);
 }
 BookmarksAdapter(ListView listView, boolean showAddBookmarkItem) {
   myShowAddBookmarkItem = showAddBookmarkItem;
   listView.setAdapter(this);
   listView.setOnItemClickListener(this);
   listView.setOnCreateContextMenuListener(this);
 }