定義兩個屬性
@interface OutDoorViewController ()@property (nonatomic, strong) MAMapView *maMapView; @property (nonatomic, strong) MAPolygonView *polygonView; @end
self.maMapView = [[MAMapView alloc] initWithFrame:self.view.bounds]; self.maMapView.delegate = self; [self.view addSubview:self.maMapView];
//構造多邊形數據對象 CLLocationCoordinate2D coordinates[4]; coordinates[0].latitude = 39.810892; coordinates[0].longitude = 116.233413; coordinates[1].latitude = 39.816600; coordinates[1].longitude = 116.331842; coordinates[2].latitude = 39.762187; coordinates[2].longitude = 116.357932; coordinates[3].latitude = 39.733653; coordinates[3].longitude = 116.278255; MAPolygon *polygon = [MAPolygon polygonWithCoordinates:coordinates count:4]; //在地圖上添加折線對象 [_maMapView addOverlay:polygon];
- (MAOverlayView *)mapView:(MAMapView *)mapView viewForOverlay:(id)overlay { if ([overlay isKindOfClass:[MAPolygon class]]) { _polygonView = [[MAPolygonView alloc] initWithPolygon:overlay]; _polygonView.lineWidth = 5.f; _polygonView.strokeColor = [UIColor colorWithRed:0.6 green:0.6 blue:0.6 alpha:0.8]; _polygonView.fillColor = [UIColor colorWithRed:0.77 green:0.88 blue:0.94 alpha:0.8]; //連接類型 _polygonView.lineJoin = kCGLineJoinMiter; return _polygonView; } return nil; }
- (void)mapView:(MAMapView *)mapView didSingleTappedAtCoordinate:(CLLocationCoordinate2D)coordinate { MAMapPoint point = MAMapPointForCoordinate(coordinate); if (MAPolygonContainsPoint(point, _polygonView.polygon.points, 4)) { UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"提示" message:@"在區域內" preferredStyle:UIAlertControllerStyleAlert]; [alert addAction:[UIAlertAction actionWithTitle:@"返回" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) { NSLog(@"在區域內"); }]]; [self presentViewController:alert animated:YES completion:^{ }]; }else{ UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"提示" message:@"不在區域內" preferredStyle:UIAlertControllerStyleAlert]; [alert addAction:[UIAlertAction actionWithTitle:@"返回" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) { NSLog(@"不在區域內"); }]]; [self presentViewController:alert animated:YES completion:^{ }]; } }
end