SharedPreferencesManager class
SharedPreferences 工具类
提供统一的本地存储操作接口,支持多种数据类型的存储和读取 采用单例模式,确保全局只有一个实例
Constructors
-
工厂构造函数,返回单例实例
factory
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
clear(
) → Future< bool> - 清空所有数据
-
containsKey(
String key) → Future< bool> - 检查是否包含指定键
-
getBool(
String key) → Future< bool?> - 读取布尔值
-
getDouble(
String key) → Future< double?> - 读取双精度浮点数
-
getInt(
String key) → Future< int?> - 读取整数
-
getKeys(
) → Future< Set< String> > - 获取所有键
-
getString(
String key) → Future< String?> - 读取字符串
-
getStringList(
String key) → Future< List< String> ?> - 读取字符串列表
-
initialize(
) → Future< void> - 初始化 SharedPreferences
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
remove(
String key) → Future< bool> - 删除指定键的数据
-
setBool(
String key, bool value) → Future< bool> - 存储布尔值
-
setDouble(
String key, double value) → Future< bool> - 存储双精度浮点数
-
setInt(
String key, int value) → Future< bool> - 存储整数
-
setString(
String key, String value) → Future< bool> - 存储字符串
-
setStringList(
String key, List< String> value) → Future<bool> - 存储字符串列表
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited