$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install Flutter on Gnu/Linux Distros

GNU/Linux Installing Flutter SDK Guide

Hi! The Tutorial shows you Step-by-Step How to Install Flutter SDK manually in GNU/Linux Desktops.

And Flutter for Linux is an Open Source Framework by Google for building beautiful, natively compiled, multi-platform Apps.

With Flutter you can Build, test, and deploy beautiful Mobile, Web, Desktop, and Embedded Apps from a single Codebase.

How to Install Flutter in Linux - Featured

GNU/Linux Flutter Framework Installation Guide