ios


Document Provider how to use?


I want to transfer data between 2 apps in real-time on the same device.
Somebody, Can show me example of work of Document Provider and how use it?
Regards, Marat
Another benefit to App Groups is the ability to share a NSUserDefaults database. This also works for App Extensions (notification center widgets, custom keyboards, etc).
Initialize your NSUserDefaults object like this in all applications in the app group and they will share the database:
Objective-C:
[[NSUserDefaults alloc] initWithSuiteName:#""];
Swift:
NSUserDefaults(suiteName: "");
Keep in mind everything from the [NSUserDefaults standardUserDefaults] database for each application will not carry over into this database.
The documentation gives a correct example as well (As of Beta 3).
And don't forget to synchronize the database:
[yourDefaults synchronize];

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