environment(_:stateDidChangeFromOldState:)
Called when there has been a change in the environment.
Declaration
optional func environment(_ environment: LAEnvironment, stateDidChangeFromOldState oldState: LAEnvironment.State)Parameters
- oldState:
The old environment state (before update)
Discussion
Invoked on a queue private to LocalAuthentication framework. At the moment of invocation of this method, @c LAEnvironment.state already contains the new updated state.