First set GMSMarker
to all marker set to call method in delay after 1 or 2
[NSTimer scheduledTimerWithTimeInterval:1.0f
target:self
selector:@selector(Setviewmarker:)
userInfo:nil
repeats:NO];
CGPoint point = [mapView.projection pointForCoordinate:marker.position];
point.x
and point.y
is position write.......