如何检测MKMapView被缩小/缩小?
作者:
啸狼天 | 来源:发表于
2022-06-10 11:16 被阅读0次- (void)mapView:(MKMapView *)mapView regionWillChangeAnimated:(BOOL)animated {
mapRegion = mapView.region; //MKCoordinateRegion myRegion in .h
}
- (void)mapView:(MKMapView *)mapView regionDidChangeAnimated:(BOOL)animated {
MKCoordinateRegion newRegion = mapView.region;
if (mapRegion.span.latitudeDelta != newRegion.span.latitudeDelta ||
mapRegion.span.longitudeDelta != newRegion.span.longitudeDelta){
NSLog(@"The zoom has changed");
}
}
本文标题:如何检测MKMapView被缩小/缩小?
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