for metadata expdp & impdp

take export of metadata of schema only using expdp

>expdp directory=exp_dp dumpfile=j.dmp content=metadata_only schemas=<schema_name>

after that create sqlfile using impdp -

>impdp directory=exp_dp dumpfile=j.dmp logfile=imp_j.log sqlfile=j.sql include=view

You can filter the views only like above, you can get everything in the schema as follows:

>impdp directory=exp_dp dumpfile=j.dmp logfile=imp_j.log sqlfile=j.sql