Android uses sharedpreference shared parameters

Import Java.util.hashmap;import Java.util.map;import Android.content.context;import    Android.content.sharedpreferences;public class Mysharedpreference {private context context;     Public Mysharedpreference (Context context) {//TODO auto-generated constructor stub this.context = context;        public boolean savemessage (string name, String pswd) {Boolean flag = false;        Sharedpreferences sharedpreferences = context.getsharedpreferences ("userinfo", context.mode_private);        Edit the data sharedpreferences.editor editor = Sharedpreferences.edit ();        Editor.putstring ("name", name);        Editor.putstring ("pswd", pswd);    Flag = Editor.commit ();//Persist data to the storage medium return flag; } public map<string, Object> getMessage () {map<string, object> Map = new hashmap<string, object&        gt; (); Sharedpreferences sharedpreferences = context.getsharedpreferences ("UserInfo", context.mode_pRivate);        String name = sharedpreferences.getstring ("name", "");        String pswd = sharedpreferences.getstring ("pswd", "" ");        Map.put ("name", name);        Map.put ("pswd", pswd);    return map; }}