public static String getNotebookGuid(Intent data) {
        return data == null ? null : data.getStringExtra(EvernoteIntent.EXTRA_NOTEBOOK_GUID);
    }
public static String getNotebookGuid ( Intent data ) { return data == null ? null : data . getStringExtra ( EvernoteIntent . EXTRA_NOTEBOOK_GUID ) ; }
@param data The returned data from {@link Activity#onActivityResult(int, int, Intent)}.
@return The notebook GUID if it was set or {@code null}.