[Error Message]
Jar mismatch! Fix your dependencies
Found 2 versions of android-support-v4.jar in the dependency list,
but not all the versions are identical (check is based on SHA-1 only at this time).
All versions of the libraries must be the same at this time.
[Solution]
In my case, android-support-v4.jar have two libs- in (appcompat_v7' && in 'Application Project)
So, Removed one android-support-v4.jar lib of the two libs (in 'appcompat_v7' || in 'Application Project')
1. Right click android-support-v4.jar of libs in ( appcompat_v7 || your Project )
2. Delete