[android-developers] Re: Releasing Updates To My App - Is It Patching Or Replacing?

The update replaces the .apk (including assets and resources) but
preserves the existing SharedPreferences and database.

If you want the updated app to upgrade the existing database, check
out the "onUpgrade" method in SQLiteOpenHelper.

http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html

On Oct 26, 1:01 pm, F Thomas <weighttraincent...@gmail.com> wrote:
> If I publish an update to my app on the Android Market, will the app
> only "patch" (or only update changes to current application) or will
> it just replace the old application with the updated one?
>
>  The reason is because for my app I need the user to retain some
> information (such as a database) on their phone that is gathered from
> the user on the app's first setup and not have to ask the user to
> repopulate this data on every update.

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