Take a look at this 
http://developer.android.com/reference/android/content/SharedPreferences.html
and this 
http://saigeethamn.blogspot.com/2009/10/shared-preferences-android-developer.html

Those links will help you achieve what you want. SharedPreferences
does exactly what you want.

On Jun 16, 7:31 pm, Amita Dev <[email protected]> wrote:
> Hi,
>     Is it possible to save user selected options even after reboot of
> device?
> I would like to not to write all of my data in a file and then read it back.
>
> How do all applications save data even after reboot?
>
> Thanks,
> -A

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