nsentitydescription

Is it possible to have multiple core data “databases” on one iOS app?

由 会有一股神秘感。 提交于 2019-11-29 08:56:51
I'm wanting to write a "management" game that utilizes Core data heavily. The game requires a pre-set, pre-defined dataset that cannot be changed by the user/system; it is used to seed the game with data and is meant to be read-only. The best example I can give is a football management game, but it could be anything. In some football management sims they give you scenarios and pre-set datasets. As the user proceeds through the game they can save/load their progress which is saved to the core data. In addition to this, the user can receive updates to the pre-defined data or can purchase

Is it possible to have multiple core data “databases” on one iOS app?

由 别来无恙 提交于 2019-11-28 02:15:01
问题 I'm wanting to write a "management" game that utilizes Core data heavily. The game requires a pre-set, pre-defined dataset that cannot be changed by the user/system; it is used to seed the game with data and is meant to be read-only. The best example I can give is a football management game, but it could be anything. In some football management sims they give you scenarios and pre-set datasets. As the user proceeds through the game they can save/load their progress which is saved to the core

Adding relationships in NSManagedObjectModel to programmatically created NSEntityDescription

由 ぐ巨炮叔叔 提交于 2019-11-27 16:28:32
问题 When you write a static library which uses CoreData there's a big mess including a normal .xdatamodeld file into the project because you simply cannot just link its compiled version (.momd) into your binary, so it's better to create the whole NSManagedObjectModel in the code like this: NSAttributeDescription *dateAttribute = NSAttributeDescription.new; dateAttribute.name = @"timestamp"; dateAttribute.attributeType = NSDoubleAttributeType; dateAttribute.optional = NO; dateAttribute.indexed =
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