observe
Registers a callback that is called whenever the authentication status changes.
Return
a Closable that you can use to stop this observation. Callbacks will stop after this goes out of scope or you explicitly call close() on it.
Parameters
callback
a closure that is invoked whenever the authentication status changes.
Registers an observer object that is called whenever the authentication status changes.
Return
a Closable that you can use to stop this observation. Callbacks will stop after this goes out of scope or you explicitly call close() on it.
Parameters
callback
an object that implements the DittoAuthenticationStatusDidChangeCallback interface, whose authenticationStatusDidChange() method will be called whenever the authentication status changes.