Exception: java.lang.IllegalStateException Can not perform this action after onSaveInstanceState

[atavism]

As reported by Crashlytics. This is happening on certain devices during sign-in.

org.getlantern.firetweet.activity.support.SignInActivity.onSignInResult (SignInActivity.java:497)
org.getlantern.firetweet.activity.support.SignInActivity$AbstractSignInTask.onPostExecute (SignInActivity.java:584)

[atavism]

This looks like the proper way to dismiss DialogFragment in this scenario: https://stackoverflow.com/questions/9325238/proper-way-of-dismissing-dialogfragment-while-application-is-in-background