Forked from andrewgleave/iOSMapKitFitAnnotations.m
Created
December 16, 2015 09:52
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Zooms out a MKMapView to enclose all its annotations (inc. current location)
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MKMapRect zoomRect = MKMapRectNull; | |
for (id <MKAnnotation> annotation in mapView.annotations) { | |
MKMapPoint annotationPoint = MKMapPointForCoordinate(annotation.coordinate); | |
MKMapRect pointRect = MKMapRectMake(annotationPoint.x, annotationPoint.y, 0, 0); | |
if (MKMapRectIsNull(zoomRect)) { | |
zoomRect = pointRect; | |
} else { | |
zoomRect = MKMapRectUnion(zoomRect, pointRect); | |
} | |
} | |
[mapView setVisibleMapRect:zoomRect animated:YES]; |
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