import 'package:shared_preferences/shared_preferences.dart'; class PrefService{ Future createCacheLogin(String cpf, String senha,String cidade)async{ SharedPreferences preferences = await SharedPreferences.getInstance(); preferences.setStringList('login', [cpf,senha,cidade]); } Future readCacheLogin()async{ SharedPreferences preferences = await SharedPreferences.getInstance(); final List? login = preferences.getStringList('login'); return login; } Future removeCacheLogin()async{ SharedPreferences preferences = await SharedPreferences.getInstance(); preferences.remove('login'); } }