Code example for AuthScope

    private static final String SCHEME = "https";
    private static final String PINBOARD_AUTHORITY = "";
    private static final int PORT = 443;
    private static final AuthScope SCOPE = new AuthScope(PINBOARD_AUTHORITY, PORT);
     * Attempts to authenticate to Pinboard using a legacy Pinboard account. 
     * @param username The user's username. 
     * @param password The user's password. 
     * @param handler The hander instance from the calling UI thread. 
     * @param context The context of the calling Activity. 
     * @return The boolean result indicating whether the user was 
     *         successfully authenticated. 
    public static boolean pinboardAuthenticate(String username, String password) {
        final HttpResponse resp;
        Uri.Builder builder = new Uri.Builder();