I hope you can use OnUpgrade method of DB when upgrading the app
On Sun, Jan 9, 2011 at 9:15 PM, Mark Murphy wrote:
> On Sun, Jan 9, 2011 at 10:37 AM, Alex wrote:
> > Simple question :
> > I published an app (2months ago). It uses a DB to retrieve
> > information, and the user saves some parameters in the DB.
> > Now, I want to update my app, that means : I want to put more
> > information in the DB but without erasing parameters set by the user.
> >
> > How can I do that ?
>
> Write Java code to "put more information in the DB but without erasing
> parameters set by the user".
>
> For example, if you are using SQLiteOpenHelper, increment the version
> number of your schema. That will cause onUpgrade() to be called in
> your SQLiteOpenHelper subclass the first time your app is run after
> the upgrade. There, you can execute whatever code you want to adjust
> the schema and/or data in the database.
>
> --
> Mark Murphy (a Commons Guy)
> http://commonsware.com | http://github.com/commonsguy
> http://commonsware.com/blog | http://twitter.com/commonsguy
>
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