On May 30, 7:09 pm, Nikolay Elenkov <nikolay.elen...@gmail.com> wrote: > On Tue, May 31, 2011 at 10:54 AM, String <sterling.ud...@googlemail.com> > wrote: > > In any case, I would agree that expecting them to synchronize between > > processes in real time is, um, unrealistic, but they definitely do work for > > the simple case of one app being able to read the prefs which another has > > written. Both apps need the same signature, AFAIK, and you need to be > > careful with permissions, but I've done this a few times now. > > Don't you need to set the same sharedUserId in both apps for this to work? > (unless prefs are WORLD_READABLE). If the first app is already published > without a sharedUserId, will adding it in a next version break things? AFAIK, > , > adding sharedUserId changes the app's UID.
Nope, both apps just need to be signed with the same cert. They will both be installed with the same underlying linux user id. What you're talking about is what's required when you need two apps to run in the same linux process. http://developer.android.com/guide/topics/security/security.html Doug -- 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
