轉載： http://blog.csdn.net/xzlawin/article/details/45959033

方法1：

存資料：

SharedPreferences userInfo = this.getSharedPreferences("user_info", 0);
userInfo.edit().putString("name", nameet.getText().toString()).commit();
userInfo.edit().putString("password", passwordet.getText().toString()).commit();

讀資料

SharedPreferences userInfo = this.getSharedPreferences("user_info", 0);
nameet.setText(userInfo.getString("name", ""));
passwordet.setText(userInfo.getString("password", ""));

方法2：

存資料：

1. SharedPreferences setting = getSharedPreferences("setting", 0);  
2.                 SharedPreferences.Editor editor = setting.edit();  
3.                 editor.putString("apiUrl", "hello").commit();  

讀資料

1. SharedPreferences setting =  getSharedPreferences("setting", 0);  
2.         String apiUrl=setting.getString("apiUrl"
   ,"");