A Boolean value indicating whether content protection is active.
- iOS 4.0+
- tvOS 9.0+
The value of this property is
false if data protection is enabled and the device is currently locked. The value of this property is set to
true if the device is unlocked or if content protection is not enabled.
When the value of this property is
false, files that were assigned the
complete protection key cannot be read or written by your app. The user must unlock the device before your app can access them.