Android Getting Started: sharedpreferences

Read data:

Save data:

+++++++++++++++++++ Method Detailed ++++++++++++++++++++++++++++++

Sharedpreferences Overview:

使用getSharedPreferences(String, int) 方法提供获取和修改preference的接口

对于任意指定的preferences集合, 所有的app共享同一个实例;

如果想要 修改preferces的话, 必须通过SharedPreferences.Editor 对象; 该对象可以保证preference状态一致而且可以控制存储;他的各种get方法的返回对象必须在整个程序中是不可变的;

使用方法http://wear.techbrood.com/guide/topics/data/data-storage.html#pref

Summary:

Interface for accessing and modifying preference data returned by getSharedPreferences(String, int) . For any particular set of preferences, there are a single instance of this class, and all clients share. Modifications to the preferences must go through an SharedPreferences.Editor object to ensure the preference values remain in a consistent St Ate and control when they is committed to storage. Objects that is returned from the various get methods must is treated as immutable by the application.

Android Getting Started: sharedpreferences