public static Long getListeningPort(Context context) { String listeningPort = LocalPreferences.getString( context, LocalPreferences.PREF_PORT, LocalPreferences.PREF_PORT_DEFAULT); Long port = null; try { port = Long.getLong(listeningPort, 2222); } catch (NumberFormatException e) { port = 2222L; } if (port < LocalPreferences.PORT_MIN || port > LocalPreferences.PORT_MAX) { port = 2222L; } return port; }