Creates a new #GApplication instance.
If non-%NULL, the application id must be valid. See g_application_id_is_valid().
If no application ID is given then some features of #GApplication (most notably application uniqueness) will be disabled.
the application id
the application flags
a new #GApplication instance
ConstructionException GTK+ fails to create the object.
See Implementation
Creates a new #GApplication instance.
If non-%NULL, the application id must be valid. See g_application_id_is_valid().
If no application ID is given then some features of #GApplication (most notably application uniqueness) will be disabled.