在关闭设备或关闭应用程序后，共享的首选项会丢失

there are lots of questions out there related to shared preferences and the alternatives. My problem: when I shut down the device or kill the app, the shared preferences get lost. Please note that my code actually is working on Acer A500. But on my Motorola Xoom MZ604 it isn't working!!there are lots of questions out there related t