Creates a new adw.application.Application.
If application_id is not NULL, then it must be valid. See gio.application.Application.idIsValid.
If no application ID is given then some features (most notably application uniqueness) will be disabled.
The application ID
The application flags
the newly created adw.application.Application
Creates a new adw.application.Application.
If application_id is not NULL, then it must be valid. See gio.application.Application.idIsValid.
If no application ID is given then some features (most notably application uniqueness) will be disabled.