我有一个带有 2 个圆圈的 mapView。当我尝试定制大的时,小的似乎跟随大的。例如,如果我为大的自定义填充颜色,则较小的填充颜色相同。如何使较小的具有不同的颜色?注意:我使用可重用的标识符。谢谢..这是我的工作代码,但是当我尝试编辑我的小圆圈时,半径为 100 的圆圈没有。注意:这是我的工作代码,因为我尝试过的任何其他方法都失败了。
- (MKOverlayView *)mapView:(MKMapView *)mapView viewForOverlay:(id<MKOverlay>)overlay {
static NSString *CircleOverlayIdentifier = @"Circle";
_mapView.delegate = self;
if ([overlay isKindOfClass:[CircleOverlay class]]) {
CircleOverlay *circleOverlay = (CircleOverlay *)overlay;
MKCircleView *annotationView =
(MKCircleView *)[mapView dequeueReusableAnnotationViewWithIdentifier:CircleOverlayIdentifier];
if (!annotationView) {
MKCircle *circle = [MKCircle
circleWithCenterCoordinate:circleOverlay.coordinate
radius:circleOverlay.radius];
annotationView = [[MKCircleView alloc] initWithCircle:circle];
//this one
}
if (overlay == self.targetOverlay) {
//adjustable
annotationView.fillColor = [UIColor colorWithRed:1.0f green:0.0f blue:0.0f alpha:0.3f];
annotationView.strokeColor = [UIColor redColor];
annotationView.lineWidth = 1.0f;
} else {
//fixed
annotationView.fillColor = [UIColor colorWithWhite:0.3f alpha:0.3f];
annotationView.strokeColor = [UIColor purpleColor];
annotationView.lineWidth = 2.0f;
}
return annotationView;
}
return nil;
}
- (void)configureOverlay {
if (self.location) {
[self.mapView removeAnnotations:[self.mapView annotations]];
[self.mapView removeOverlays:[self.mapView overlays]];
CircleOverlay *overlaysmall = [[CircleOverlay alloc] initWithCoordinate:self.location.coordinate radius:100];
[self.mapView addOverlay:overlaysmall];
_targetOverlaySmall = overlaysmall;
CircleOverlay *overlay = [[CircleOverlay alloc] initWithCoordinate:self.location.coordinate radius:self.radius];
[self.mapView addOverlay:overlay];
GeoQueryAnnotation *annotation = [[GeoQueryAnnotation alloc] initWithCoordinate:self.location.coordinate radius:self.radius];
[self.mapView addAnnotation:annotation];
[self updateLocations];
}
}