Probably exactly as you said. Try overriding -readFromURL:error: to implement incremental reading.
Luke On Jun 20, 2013, at 2:01 PM, Markus Spoettl <ms_li...@shiftoption.com> wrote: > Hello everyone, > > I have an iOS 6 app that uses UIDocument to implement loading and saving of > my app's data. The document data is loaded from and saved to a NSFileWrapper > (representing a file package containing many files and folders), handed from > and to the document in -loadFromContents::: and -contentsForType::. > > This all works well for small documents but I now have a case where a > document the app created in a previous session apparently is too big to be > loaded. > > My app vanishes about 1-2 seconds after UIDocument calls -readFromURL:error: > before my implementation of -loadFromContents::: is even called. There is no > crash and no useful information (to me anyway) logged to the console. It just > logs that my app was killed but gives no reason. > > I *suspect* UIDocument tries to load the whole package containing its 140MB > of data in about 1000 files and couple of 100 folders and then chokes on it. > > The system had no problem creating the file package and saving it to the > "disk", but it sure can't load it. > > I have tried on the simulator and using the same data as on the device it > works, the data loads just fine. > > I'm pasting the console output of a typical session from the time the app is > started via Springboard until it crashes/vanishes. Maybe it contains a clue I > don't see. > > Does someone know what may be going on? I'm using Xcode 4.6.3 and iOS 6.1.3 > (iPad Retina). > > Thanks! > Regards > Markus > > _______________________________________________ > > 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/luketheh%40apple.com > > This email sent to luket...@apple.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
