I have created an android library, it contains an Activity Class that uses to open camera intent, the library works perfect excepts for the part that invokes the Activity to
The answer for your "Update2 - 2017-09-14" - can simply build a fat aar file. which will contain all the dependencies, one thing which you may have to handle is conflict in dependencies sometime may create a issue. also the size of the fat aar may be huge. so give try.