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Código para configurar facilmente las preferencias de usuario en una aplicación de flutter.
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| import 'package:shared_preferences/shared_preferences.dart'; | |
| /* | |
| Recordar instalar el paquete de: | |
| shared_preferences: | |
| Inicializar en el main | |
| final prefs = new PreferenciasUsuario(); | |
| await prefs.initPrefs(); | |
| Recuerden que el main() debe de ser async {... | |
| */ | |
| class PreferenciasUsuario { | |
| static final PreferenciasUsuario _instancia = new PreferenciasUsuario._internal(); | |
| factory PreferenciasUsuario() { | |
| return _instancia; | |
| } | |
| PreferenciasUsuario._internal(); | |
| SharedPreferences _prefs; | |
| initPrefs() async { | |
| this._prefs = await SharedPreferences.getInstance(); | |
| } | |
| // GET y SET del nombre | |
| get nombre { | |
| return _prefs.getString('nombre') ?? ''; | |
| } | |
| set nombre( String value ) { | |
| _prefs.setString('nombre', value); | |
| } | |
| // GET y SET de la última página | |
| get ultimaPagina { | |
| return _prefs.getString('ultimaPagina') ?? 'login'; | |
| } | |
| set ultimaPagina( String value ) { | |
| _prefs.setString('ultimaPagina', value); | |
| } | |
| } | |
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