Android: Cast Sdk V3 Crashing In Release Build Only

Whenever I try to run a release build of my app, I immediately get a crash when attempting to use any of the Google Cast features java.lang.IllegalStateException: Failed to initial

Solution 1:

Made CastOptionsProvider public, and that seems to have taken care of it. Not sure if it's because the class is in a subpackage or not, but looks fine. Documentation doesn't have any access modifiers.