After converting a perfectly working application to a library (including its Activity class!), I am trying to create an application that uses that entire library by simply s
I had the same error in one of my projects and thought that I can share how I fixed mine.
At some point of my project I had to change one of the package names I am using where all my Activity classes are situated. When I did, I forgot to update the AndroidManifest which caused me the same error. Updating this fixed it.