Grey area in Google maps

Question

I have implemented Google maps in my app (in a modal), however as you can see on the images below there is a grey area that I of course want to get rid of. It is possible to

Answer 1

This worked for me:

 var center = map.getCenter();
 // . . . your code for changing the size of the map
 google.maps.event.trigger(map, "resize");
 map.setCenter(center);

taken from the link, that @Bruno mentioned