/**
* Save {@link Bookmark} instance into its {@link SharedPreferences}.
*
* @return true on success, false on failure.
*/
private boolean writeBookmark(final SharedPreferences prefs, final Bookmark bookmark) {
final SharedPreferences.Editor editor = prefs.edit();
AbstractUserProfileStorage.writeUserProfile(editor, bookmark);
BookmarkStorage.writeBookmark(editor, bookmark);
return check(editor.commit(), R.string.io_error);
}
