How to check if user has valid Auth Session Firebase iOS?

Question

I wanna check if the user has still a valid session, before I present the Home View controller of my app. I use the latest Firebase API. I think if I use the legacy, I\'ll be ab

Answer 1

An objective-c solution would be (iOS 11.4):

[FIRAuth.auth addAuthStateDidChangeListener:^(FIRAuth * _Nonnull auth, FIRUser * _Nullable user) {
    if (user != nil) {
        // your logic
    }
}];