jingyun
21 lines
744 B
Dart
21 lines
744 B
Dart
import 'package:shared_preferences/shared_preferences.dart';
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class StorageService {
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StorageService._(this._prefs);
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final SharedPreferences _prefs;
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static StorageService? _instance;
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static StorageService get to => _instance!;
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static Future<StorageService> get instance async {
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if (_instance != null) return _instance!;
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final prefs = await SharedPreferences.getInstance();
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_instance = StorageService._(prefs);
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return _instance!;
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}
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bool getBool(String key, {bool def = false}) => _prefs.getBool(key) ?? def;
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Future<void> setBool(String key, bool v) => _prefs.setBool(key, v);
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String? getString(String key) => _prefs.getString(key);
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Future<void> setString(String key, String v) => _prefs.setString(key, v);
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}
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