A test application that accesses portals to check they are working correctly using Flutter and snaps. Uses the Dart implementation of portals (https://pub.dev/packages/xdg_desktop_portal).
Enable snaps on Debian and install Flutter Portal Test
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line: