# Register app in C
	private fun set_global_app import register_activity,
	Activity.on_create, Activity.on_destroy,
	Activity.on_start, Activity.on_restart, Activity.on_stop,
	Activity.on_pause, Activity.on_resume,
	Activity.on_save_instance_state, Activity.on_restore_instance_state,
	Activity.on_back_pressed,
	Activity.on_key_down, Activity.on_key_long_press,
	Activity.on_key_multiple, Activity.on_key_up `{
		App_incr_ref(self);
		global_app = self;
	`}