signInAsync

@JvmStatic @JvmOverloads fun signInAsync(oneTimeToken: String, listener: FutureListener<Boolean>? = null): Future<Boolean>

Signs in/up a user asynchronously with the given oneTimeToken.

oneTimeToken - authentication token with a short expiry date

listener - optional FutureListener will be notified when the user has finished signing in

Return Future representing this asynchronous operation (true if authentication was successful; false otherwise)