import 'dart:convert'; import 'dart:io'; import 'foundation/app.dart'; import 'network/models.dart'; class _Appdata { Account? account; var searchOptions = SearchOptions(); void writeData() async { await File("${App.dataPath}/account.json") .writeAsString(jsonEncode(account)); } Future readData() async { final file = File("${App.dataPath}/account.json"); if (file.existsSync()) { account = Account.fromJson(jsonDecode(await file.readAsString())); } } } final appdata = _Appdata();