Error:Execution failed for task ':app:packageRelease'. > Unable to compute hash of /../AndroidStudioProjects/../classes.jar

Question

I\'m trying to do a \'release\' build on an Android app and I keep on getting this error of:

Unable to compute hash of /../AndroidStudioProjects/../cl

Answer 1

I know this is an old question but maybe this answer works for someone. I added -dontwarn butterknife.** to proguard then gradle builds properly.