Thanks for your answers! I'll try this. On Jan 10, 5:26 am, kavitha b <kkavith...@gmail.com> wrote: > I hope you can use OnUpgrade method of DB when upgrading the app > > On Sun, Jan 9, 2011 at 9:15 PM, Mark Murphy <mmur...@commonsware.com> wrote: > > On Sun, Jan 9, 2011 at 10:37 AM, Alex <dalfga...@gmail.com> 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 > > > Android Training in London:http://bit.ly/smand1andhttp://bit.ly/smand2 > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Developers" group. > > To post to this group, send email to android-developers@googlegroups.com > > To unsubscribe from this group, send email to > > android-developers+unsubscr...@googlegroups.com<android-developers%2bunsubscr...@googlegroups.com> > > For more options, visit this group at > >http://groups.google.com/group/android-developers?hl=en
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