R8 And Proguard Rules

I am using https://github.com/amalChandran/trail-android this library in my android project. The animation was working perfectly fine. But, after enabling R8, the animation is not

Solution 1:

Thanks to @sgjesse for his hint. I finally got my narrowed down proguard rule to keep my feature functioning.

-keep class com.amalbit.trail.AnimationRouteHelper { *;}

adding this rule served my purpose.