Jay

AFAIK, [`LiveData` will not deliver result to its observer (fragment in this case) when the fragment is destroy.](https://developer.android.com/reference/android/arch/lifecycle/LiveData#observe(android.arch.lifecycle.LifecycleOwner,%20android.arch.lifecycle.Observer%3CT%3E))

IMHO, a UseCase returning multiple values would complicate the whole architecture. Btw, for your example mentioned, [designating a data source as the single source of truth](https://developer.android.com/jetpack/docs/guide#truth) would be better than...

In UI world, null state doesn’t make sense. On Tue, 18 Dec 2018 at 9:39 AM, Cody Henthorne wrote: > Is this actually true though? In Java land, why couldn't...

Hi @SlobodanNikolic , seems it doesn't make sense that an app is able to logout her facebook? For your second issue, I cant reproduce, can u post a screenshot?

As I know the logout function provided by facebook sdk does not really logout the user but clean the current session and profile. You can check out Instagram's facebook login...

Hi @hornet2319 , will support in the future, or PR is welcome.

Google sign in requires google play service, pls make sure your phone has installed it.

Hi @yudhir would support in next release.

@yudhir Sure.

Also encounter this issue on v1.35.0