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Since the auxiliary files can sometimes be lazily created and deleted mid-operation, we recommend that you apply the file protection attributes to the parent folder containing these Realm files.
This will ensure the attribute is properly applied to all of the relevant Realm files, regardless of their creation time. A synchronized Realm uses the Realm Object Server to transparently synchronize its contents with other devices.
In practice, your application works with any kind of Realm the same way, although opening a synchronized Realm requires a user that’s been authenticated to the Object Server and that’s authorized to open that Realm.
While your application continues working with a synchronized Realm, the data in that Realm might be updated by any device with write access to that Realm.
Please browse our tv OS examples for sample tv OS apps demonstrating how to use Realm as either an offline cache or with preloaded data.
On i OS 8 and above, files inside apps are automatically encrypted using exception will be thrown.
For example, suppose you have an application where users have to log in to your web backend, and you want to support quickly switching between accounts.
You could give each account its own Realm file that will be used as the default Realm by doing the following: The most common location to store writable Realm files is the “Documents” directory on i OS and the “Application Support” directory on mac OS.
Please respect Apple’s i OS Data Storage Guidelines, which recommend that if documents that can be regenerated by the app should be stored in the property (and vice-versa).
In order to avoid making expensive system calls, Realm files are rarely shrunk at runtime.
Instead, they grow by specific size increments, with new data being written within unused space tracked inside the file.