You're not using the NSFileSystemProtectionComplete entltlement by any chance, are you?
Sent from my iPhone > On Nov 18, 2016, at 6:44 PM, Jens Alfke <j...@mooseyard.com> wrote: > > Since iOS 10 shipped we’ve been getting some bug reports from developers > using our framework, that indicate that we’re unable to access files. (The > errors are from SQLite, but they imply that SQLite can’t open or access the > database file.) It seems that the OS’s behavior has changed; maybe it’s > quicker to lock access to app files. > > I’m not sure what to do about working with SQLite databases on iOS, in apps > that may need to run in the background (e.g. to handle push notifications or > geofencing.) The evidence is that the default protection > (complete-unless-open, IIRC) is insufficient, probably because SQLite may > have to open or create one of its private side files (the -wal or -shm file.) > Since SQLite is a 3rd party library, I don’t know when it will choose to open > or close files, and I shouldn’t hardcode anything based on observations of > its behavior. > > I’ve also heard from one developer that if the app launches in the background > (to receive a push notification) while the device is locked, it doesn’t have > access to any files. But I don’t understand how an app can possibly do > anything useful in in response if it has no access to either the UI or the > filesystem! > > Clearly there are apps out there that use SQLite, and apps that work > correctly when launched in the background to handle push notifications. Do > they all loosen their file protection settings to > complete-until-first-user-authentication? I can do that, but I’m somewhat > reluctant to since it reduces data security. > > —Jens > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/zav%40mac.com > > This email sent to z...@mac.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
