使用 SharedPreferences 在安卓

当您的登录使用

SharedPreferences pref = getApplicationContext().getSharedPreferences("MyPref", 0); // 0 - for private mode
Editor editor = pref.edit();
//on the login store the login
editor.putLong("key_name", "long value"); 
editor.commit();

检索密钥的数据

pref.getString("key_name", "");
                            ^
   default value if the user is not loggedin

清除数据时注销

editor.remove("name");
editor.commit();

请参阅

Refer this Link for More