android ActivityOptions.isReturning() NullPointerException

Question

In which case I have

java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.app.ActivityOptions.isReturning()' on a null object reference

I cannot understand why EnterActivityOptions.isReturning() in ActivityTransitionState give me null?

Answer 1

Try with support library 24.1.0 (released today, but not sure if this fix your problem)