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/smand1 and http://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 > -- 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 For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
