onCupertinoProtectedDataAvailabilityChanged property
iOS only feature
On all unsupported platforms returns null
Implementation
Stream<bool>? get onCupertinoProtectedDataAvailabilityChanged =>
_platform is MethodChannelFlutterSecureStorage
? (_platform as MethodChannelFlutterSecureStorage)
.onCupertinoProtectedDataAvailabilityChanged
: null;