Creates a new GApplication instance. This function calls g_type_init() for you. The application id must be valid. See g_application_id_is_valid().
the application id
the application flags
ConstructionException GTK+ fails to create the object.
See Implementation
Creates a new GApplication instance. This function calls g_type_init() for you. The application id must be valid. See g_application_id_is_valid().