set geodesic property coming from platform channel args to GMSPolyline obj-c instance

Author: Raees

packages/google_maps_flutter/google_maps_flutter/CHANGELOG.md

@@ -1,3 +1,6 @@
+## 0.5.25
+Geodesic Polyline support for iOS
+
 ## 0.5.24+1
 
 * Make the pedantic dev_dependency explicit.

packages/google_maps_flutter/google_maps_flutter/ios/Classes/GoogleMapPolylineController.h

@@ -20,6 +20,7 @@
 @property(atomic, readonly) NSString* polylineId;
 - (instancetype)initPolylineWithPath:(GMSMutablePath*)path
                           polylineId:(NSString*)polylineId
+                            geodesic:(BOOL)geodesic
                              mapView:(GMSMapView*)mapView;
 - (void)removePolyline;
 @end

packages/google_maps_flutter/google_maps_flutter/ios/Classes/GoogleMapPolylineController.m

@@ -11,10 +11,12 @@ @implementation FLTGoogleMapPolylineController {
 }
 - (instancetype)initPolylineWithPath:(GMSMutablePath*)path
                           polylineId:(NSString*)polylineId
+                            geodesic:(BOOL)geodesic
                              mapView:(GMSMapView*)mapView {
   self = [super init];
   if (self) {
     _polyline = [GMSPolyline polylineWithPath:path];
+    _polyline.geodesic = geodesic;
     _mapView = mapView;
     _polylineId = polylineId;
     _polyline.userData = @[ polylineId ];
@@ -119,9 +121,11 @@ - (void)addPolylines:(NSArray*)polylinesToAdd {
   for (NSDictionary* polyline in polylinesToAdd) {
     GMSMutablePath* path = [FLTPolylinesController getPath:polyline];
     NSString* polylineId = [FLTPolylinesController getPolylineId:polyline];
+    NSNumber* geodisc = [FLTPolylinesController isGeodesic:polyline];
     FLTGoogleMapPolylineController* controller =
         [[FLTGoogleMapPolylineController alloc] initPolylineWithPath:path
                                                           polylineId:polylineId
+                                                             geodesic:geodisc.boolValue
                                                              mapView:_mapView];
     InterpretPolylineOptions(polyline, controller, _registrar);
     _polylineIdToController[polylineId] = controller;
@@ -178,4 +182,8 @@ + (GMSMutablePath*)getPath:(NSDictionary*)polyline {
 + (NSString*)getPolylineId:(NSDictionary*)polyline {
   return polyline[@"polylineId"];
 }
+
++ (NSNumber *)isGeodesic:(NSDictionary*)polyline {
+  return polyline[@"geodesic"];
+}
 @end

packages/google_maps_flutter/google_maps_flutter/pubspec.yaml

@@ -1,7 +1,7 @@
 name: google_maps_flutter
 description: A Flutter plugin for integrating Google Maps in iOS and Android applications.
 homepage: https://github.com/flutter/plugins/tree/master/packages/google_maps_flutter/google_maps_flutter
-version: 0.5.24+1
+version: 0.5.25
 
 dependencies:
   flutter: