Android 永久保存简单数据

转载： http://blog.youkuaiyun.com/xzlawin/article/details/45959033

方法1：

存数据：

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

读数据

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

方法2：

存数据：

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

读数据

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