Checking if device is locked (or sleeping) in iOS
Read OriginalThis technical article explains how to programmatically check if an iOS device is locked (a proxy for the screen being off). It covers using `UIApplication.shared.isProtectedDataAvailable` in the main app and details a workaround for app extensions using Keychain accessibility settings to infer the device's lock state. It includes steps for configuring Keychain sharing and code examples using a Keychain wrapper library.
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