flutter_appfx/lib/store/sharedStore.dart

// 简单封装 shared preferences 避免忘记代码

import 'package:shared_preferences/shared_preferences.dart';




class SharedStore {

  final Future<SharedPreferences> sharedStorage = SharedPreferences.getInstance();

  //
  Future<bool?> getBool(String key) async {
    SharedPreferences prefs = await sharedStorage;
    return prefs.getBool(key);
  }
  Future<bool> setBool(String key, bool value) async {
    SharedPreferences prefs = await sharedStorage;
    return prefs.setBool(key, value);
  }

  //
  Future<double?> getDouble(String key) async {
    SharedPreferences prefs = await sharedStorage;
    return prefs.getDouble(key);
  }
  Future<bool> setDouble(String key, double value) async {
    SharedPreferences prefs = await sharedStorage;
    return prefs.setDouble(key, value);
  }

  //
  Future<int?> getInt(String key) async {
    SharedPreferences prefs = await sharedStorage;
    return prefs.getInt(key);
  }
  Future<bool> setInt(String key, int value) async {
    SharedPreferences prefs = await sharedStorage;
    return prefs.setInt(key, value);
  }

  //
  Future<String?> getString(String key) async {
    SharedPreferences prefs = await sharedStorage;
    return prefs.getString(key);
  }
  Future<bool> setString(String key, String str) async {
    SharedPreferences prefs = await sharedStorage;
    return prefs.setString(key, str);
  }

  //
  Future<List<String>?> getStringList(String key) async {
    SharedPreferences prefs = await sharedStorage;
    return prefs.getStringList(key);
  }
  Future<bool> setStringList(String key, List<String> list) async {
    SharedPreferences prefs = await sharedStorage;
    return prefs.setStringList(key, list);
  }


  // 删
  Future<void> remove(String key) async {
    SharedPreferences prefs = await sharedStorage;
    await prefs.remove(key);
  }
  // 查
  Future<bool> hasKey(String key) async {
    SharedPreferences prefs = await sharedStorage;
    return prefs.containsKey(key);
  }

}