gravarConfiguracao static method
gravar o ip e porta da aplicação
Implementation
static Future<void> gravarConfiguracao({
required String ip,
required String porta,
}) async {
SharedPreferences preferences = await SharedPreferences.getInstance();
await preferences.setString(
'config', json.encode({"ip": ip, "porta": porta}));
ipservidor = ip;
portaservidor = porta;
}