java.lang.NoClassDefFoundError retrofit2.Utils

Question

I\'m using Retrofit to handle the Serverside Data from Mobile. After Implementing retrofit, I am Getting the below Exception.

What am I doing wrong?

Answer 1

Did you add the following proguard rules?

-dontwarn retrofit2.**
-keep class retrofit2.** { *; }
-keepattributes Signature
-keepattributes Exceptions

Documentation: http://square.github.io/retrofit/