Working with App Groups An App Group allows different applications (or an application and its extensions) to access a shared file storage location. App Groups can be used for data like: Apple Watch Settings. Shared NSUserDefaults. Shared Files. Configure an App Group The shared location is configured using an App Group, which is configured in the Certificates, Identifiers & Profiles section on iOS Dev Center. This value must also be referenced in each project's Entitlements.plist. Provisioning The app group will have an identifier, which is typically your Bundle ID with a group. prefix. For example, we could use the Bundle ID com.xamarin.WatchSettings and the app group group.com.xamarin.WatchSettings. Entitlements.plist As well as configuring the provisioning profile, Enable App Groups in the Entitlements.plist and enter the ID you've chosen: Deployment Ensure you configure the App Group correctly in your deployment provisioning.
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