Provided by: allegro5-doc_5.2.9.1+dfsg-1.1build4_all 

NAME
al_acknowledge_drawing_halt - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro.h> void al_acknowledge_drawing_halt(ALLEGRO_DISPLAY *display)
DESCRIPTION
Call this in response to the ALLEGRO_EVENT_DISPLAY_HALT_DRAWING(3alleg5) event. This is currently necesā sary for Android and iOS as you are not allowed to draw to your display while it is not being shown. If you do not call this function to let the operating system know that you have stopped drawing or if you call it to late the application likely will be considered misbehaving and get terminated.
SINCE
5.1.0
SEE ALSO
ALLEGRO_EVENT_DISPLAY_HALT_DRAWING(3alleg5) Allegro reference manual al_acknowledge_drawing_halt(3alleg5)