fix: waypoint conversion issue while using placeId (#439)

* fix: route segments issue while using placeid

Author: illuminati1911

example/integration_test/t03_navigation_test.dart

@@ -742,7 +742,40 @@ void main() {
       tolerance,
     );
 
-    /// Set Destination.
+    /// Test route segments with placeId
+    final Destinations placeIdDestinations = Destinations(
+      waypoints: <NavigationWaypoint>[
+        NavigationWaypoint.withPlaceID(
+          title: "Golden Gate Bridge",
+          placeID: "ChIJw____96GhYARCVVwg5cT7c0",
+        ),
+      ],
+      displayOptions: NavigationDisplayOptions(showDestinationMarkers: false),
+    );
+    final NavigationRouteStatus placeIdStatus =
+        await GoogleMapsNavigator.setDestinations(placeIdDestinations);
+    expect(placeIdStatus, NavigationRouteStatus.statusOk);
+    await $.pumpAndSettle(timeout: const Duration(seconds: 1));
+
+    final List<RouteSegment> placeIdBeginRouteSegments =
+        await GoogleMapsNavigator.getRouteSegments();
+    final RouteSegment? placeIdBeginCurrentSegment =
+        await GoogleMapsNavigator.getCurrentRouteSegment();
+
+    /// The route segments list is not empty.
+    expect(placeIdBeginRouteSegments.length, greaterThan(0));
+
+    /// The current route segment.
+    expect(
+      placeIdBeginCurrentSegment,
+      isNotNull,
+      reason: 'Current segment is null.',
+    );
+
+    // Clear placeId waypoints
+    await GoogleMapsNavigator.clearDestinations();
+
+    /// Set Destination with target.
     final Destinations destinations = Destinations(
       waypoints: <NavigationWaypoint>[
         NavigationWaypoint.withLatLngTarget(

ios/google_navigation_flutter/Sources/google_navigation_flutter/Convert.swift

@@ -288,10 +288,12 @@ enum Convert {
   {
     .init(
       title: gmsNavigationWaypoint.title,
-      target: .init(
-        latitude: gmsNavigationWaypoint.coordinate.latitude,
-        longitude: gmsNavigationWaypoint.coordinate.longitude
-      ),
+      target: CLLocationCoordinate2DIsValid(gmsNavigationWaypoint.coordinate)
+        ? .init(
+          latitude: gmsNavigationWaypoint.coordinate.latitude,
+          longitude: gmsNavigationWaypoint.coordinate.longitude
+        )
+        : nil,
       placeID: gmsNavigationWaypoint.placeID,
       preferSameSideOfRoad: gmsNavigationWaypoint.preferSameSideOfRoad,
       preferredSegmentHeading: Int64(gmsNavigationWaypoint.preferredHeading)

lib/src/method_channel/convert/navigation_waypoint.dart

@@ -21,7 +21,7 @@ extension ConvertNavigationWaypointDto on NavigationWaypointDto {
   /// Converts [NavigationWaypointDto] to [NavigationWaypoint]
   NavigationWaypoint toNavigationWaypoint() => NavigationWaypoint(
     title: title,
-    target: target?.toLatLng(),
+    target: placeID == null ? target?.toLatLng() : null,
     placeID: placeID,
     preferSameSideOfRoad: preferSameSideOfRoad,
     preferredSegmentHeading: preferredSegmentHeading,